gGWj ˆUÕ¡ gGWj ˆUÕ¡: wbGRGK hvPvB Kwi 1
gGWj 1 jÅveGiUwii wbivc` eÅenvi
mgq: 25 wgwbU m†Rbkxj eüwbeÆvPwb cÉk² gvb-25
1. cixÞvMvGi ˆKjvwmZ c`v^ÆGK ÷Ó• KiGZ 10. eyÅGiGUi mvnvGhÅ meÆwbÁ² KZ AvqZb 19. cwiGek ev®¬e c«¬wZ nGjv?
i. gÅvGKÌv c«¬wZ
wbGÁi² ˆKvbwU eÅen†Z nq? cwigvc Kiv hvq?
ii. gvBGKÌv c«¬wZ
K Še`yÅwZK wnUvi K 0.1cm3 L 0.5cm3
L eybGmb evbÆvi M 1cm3 N 1.5cm3 iii. ˆmwg gvBGKÌv c«¬wZ
11. KvGPi h¯¨cvwZ cwiÓ•vGii RbÅ ˆKvbwU
M wdDg üW eÅenvi Kiv nq? wbGPi ˆKvbwU mwVK?
K i I ii
N ˆWwmGKUi K KwÕ¡K ˆmvWv L mvevb
2. 250 mL 0.1 M NaCO3 `ËeGY Na2CO3 L i I iii
M cvwZZ cvwb N ˆKÌvwgK ‰wmW M ii I iii
AvGQ 12. weKviK ˆebwRGbi cwieGZÆ ˆKvbwU eÅenvi N i, ii I iii
K 3.25 g L 2.65 g Kiv hvq? 20. wbGPi ˆKvbwU jÅveGiUwiGZ h¯¨cvwZ
M 1.06 g N 2.12 g K UjyBb L ˆebRwqK ‰wmW cwiÓ•viKiGY eÅen†Z nq?
3. wbGPi ˆKvbwU cÉvBgvwi Õ¡Åv´£vWÆ c`v^Æ?
M ˆdbj N B^vbj K HCl + K2Cr2O7
K KMnO4 L H2SO4
13. ˆKvbwU welvÚ c`v^Æ? L H2SO4 + K2Cr2O7
M Na2S2O4 N K2Cr2O7
M H2CO3 + K2Cr2O7
wbGPi DóxcKwU cGov ‰es 4 I 5 bs cÉGk²i K bvBGUÇvUjyBb L ˆebwRb N HNO3 + K2Cr2O7
Dîi `vI:
M CuSO4 N H2SO4 21. eyÅGiU cwiÓ•vi KiGZ wbGPi ˆKvbwU
gy®v² wWwRUvj eÅvGjG´Ö cvV ˆbqvi mgq mivmwi 14. digvwjb kixGi cÉGek KiGj eÅen†Z nq?
nvZ «¼viv cvò aGi IRb Kij ‰es KvGPi i. wKWbx bÓ¡ nGZ cvGi K mvevb
Pjgvb ™Ïvm AvUKvGjv dGj Kvw›ÞZ IRGbi ii. KÅv´Övi nIqvi mÁ¿vebv ^vGK L wWUviGR´Ÿ
ˆPGq ˆewk IRb jÞ Kij| A iii. ˆPvL e®¬ nGq ˆhGZ cvGi M ˆKÌvwgK ‰wmW
4. IRb ˆewk nIqvi KviY ˆKvbwU? wbGPi ˆKvbwU mwVK?
N wfGbMvi
K ˆgwkGbi fzj K i I ii L i I iii 22. Na2CO3
L nvGZi Av`ËÆZv M ii I iii N i, ii I iii i. cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ
M fvix cvò 15. ivmvqwbK c`v^ÆGK ÷Kbv ivLGZ eÅen†Z nq ii. ‰i Rjxq `ËeY AÁÏxq
N 2-wWwRU eÅvGj´Ö K ˆWwmGKUi iii. ‰i Rjxq `ËeY Þvixq
5. gy®²vi eÅvGj´Ö eÅenvGi L eybGmb evbÆvi wbGPi ˆKvbwU mwVK?
i. KvGPi ˆ`qvj «¼viv e®¬ ivLv M wdDg üW K i I ii
ii. evqy hviv AvGjvwoZ nGj fzj cvV ˆ`q N pH wgUvi L i I iii
16. UvBGUÇkGbi ˆÞGò ZiGji AvqZb
iii. IRb ˆevZj cÉGqvRb nq wbLuyZfvGe gvcvi RbÅ ˆKvb ˆRvov h¯¨cvwZ M ii I iii
N i, ii I iii
wbGPi ˆKvbwU mwVK? eÅen†Z nq? 23. MSDS Kx?
A K i I ii L i I iii K eyÅGiU I KwbGKj dÑvÕ• K Material Safety Data Scale
M ii I iii N i, ii I iii L wcGcU I KwbGKj dÑvÕ• L Material Service Data Sheet
6. cj-eywã eÅvGjG´Öi mvnvGhÅ meÆwbÁ² KZ
cwigvY fi (g) cwigvY Kiv hvGe? M eyÅGiU I wcGcU M Material Safety Data Sheet
K 0.0001 L 0.001 N eyÅGiU I gvcGPvO N Manual Safety Data Sheet
wbGPi DóxcKwU cGov ‰es 24 I 25 bs cÉGk²i
M 0.01 N 0.10 17. wbGPi ˆKvbwU jÅveGiUwiGZ Kiv hvGe bv? Dîi `vI:
7. ˆKÌvwgK ‰wmGWi mvnvGhÅ KuvPcvò cwiÓ•vi
Kivi mgq ˆKvb aiGbi wewKÌqv NGU? i. LvIqv ‰wmW Þvi UvBGUÇkGbi mgq AwgZ KwbKÅvj
K weRviY L cwÉ ZÕ©vcb ii. cvb Kiv dÑvGÕ• X ˆhŒM ‰es eyÅGiGU ˆmGK´£vwi Õ¡Åv´£vWÆ
M RviY N ckÉ gb iii. k¼vm ˆbqv c`v^Æ HCl eÅenvi Kij ‰es meÆGkGl wg^vBj
wbGPi ˆKvbwU mwVK?
8. C2H2O4.2H2O AGié hyÚ Kij|
i. cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ K i I ii 24. AwgZ KwbKÅvj dÑvGÕ• ˆKvbwU wbGe?
ii. ‰i Rjxq `ËeY AÁÏxq L i I iii K NaCl L Na2CO3
M H2CO3 N H2O
M ii I iii
iii. ‰i Rjxq `ËeY Þvixq 25. AwgGZi ˆkGl ˆhvMK‡Z c`v^Æ
wbGPi ˆKvbwU mwVK? N i, ii I iii
18. ˆmwggvBGKÌv AÅvbvwjwUKÅvj c«¬wZGZ i. ‰KwU wbG`ÆkK
ii. 1-2 ˆduvUv ˆhvM Kiv nq
K i I ii L i I iii eÅen†Z c`vG^Æi cwigvY
iii. ZzjÅZv we±`y wbG`Æk KGi
M ii I iii N i, ii I iii K 0.5g 1.0 g wbGPi ˆKvbwU mwVK?
9. wbGPi ˆKvbwU mycvi AÝvBW? L 0.5g 0.1 g K i I ii L i I iii
K KO2 L Pb3O4 M 0.005g 0.01g
M MnO2 N Na2O2
N 1g 10g M ii I iii N i, ii I iii
Dîi 1 N 2 L 3 N 4 L 5 N 6 K 7 M 8 K 9 L 10 K 11 N 12 K 13 L
14 N 15 K 16 M 17 K 18 L 19 M 20 L 21 M 22 L 23 M 24 L 25 N
2 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq: 2 N¥Ÿv 35 wgwbU m†Rbkxj iPbvgƒjK cÉk² gvb-50
1. imvqb MGelYvMvi ‰es wewf®² ivmvqwbK wewKqÌ vq wbÁ²wjwLZ 5. imvqb cixÞvMvGi wewf®² weKviK `ËGeÅi gGaÅ HNO3,
avcmgƒn AbymiY Kiv nq: H2SO4 HCHO BZÅvw` LyeB ài‚Z½cƒYÆ| ‰àGjv Lye mveavGb msiÞY
Kiv DwPr|
MGelYvMvGi ivmvqwbK AeÅen†Z ivmvqwbK
ivmvqwbK `ËGeÅi wewKqÌ vq `ËGeÅi I ivmvqwbK K. 4-wWwRU eÅvGj´Ö Kx? 1
mwVK msiÞY ivmvqwbK `ËGeÅi eGRÆÅi wbivc` L. AvGivnx aË‚eK «¼viv Kx ˆevSv hvq? 2
cwiwgZ eÅenvi cwiZÅvM M. DóxcGKi ivmvqwbK `ËeÅmgƒGni msiÞY c«¬wZ eYÆbv KGiv|3
K. cÉgvY `ËeY Kx? 1 N. DóxcGKi DwÍwÏ LZ ivmvqwbK `ËeÅmgƒn cwiGeGki RbÅ
L. ivBWvi eÅenvi ˆKb cÉGqvRb? eÅvLÅv KGiv| 2 ügwKÕ¼i…c ˆKb? weGkÏlY KGiv| 4
M. DóxcGKi cÉ^g avcwU KxfvGe mÁ·®² Kiv nq weÕ¦vwiZ ˆjGLv|3 6. jÅveGiUwiGZ Avgiv cÉvqkB Mvp H2SO4, KCN, NH4OH,
K2Cr2O7, KMnO4, HNO3, ˆebwRb I H2S cÉf‡wZ c`v^Æ wbGq KvR
N. DóxcGKi Z‡Zxq avcwUi ài‚Z½ weGkÏlY KGiv| 4 KGi ^vwK| ‰me ˆhŒM gvbe Õ¼vÕ©Å I cwiGeGki RbÅ AZů¦
2. c«¬wZ eÕ§i IRb eÕ§i AvqZb msGe`bkxj| ZvB ‰me ˆhŒGMi mwVK msiÞY I cwiwgZ eÅenvi
A 425 102 g 2mL mÁ·GKÆ AvgvG`i aviYv ^vKv DwPr|
B 425 103 g 0.2mL K. MSDS ‰i cƒYÆi…c ˆjGLv| 1
K. RviY wkLv Kx? 1 L. jÅveGiUwiGZ AvBKÅvGci eÅenvi Kxi…c? 2
L. jÅveGiUwiGZ cvwZZ cvwbGZ eÅenvi eÅvLÅv KGiv| 2 M. DóxcGKi ˆhŒMàGjv wbGq cixÞvMvGi KvR Kivi mgq Kx Kx
M. ‰KwU ‰bvjM eÅvGj´Ö eÅenvi KGi 'B' c«¬wZGZ DwÍwÏ LZ eÕ§i mZKÆZv AejÁ¼b Kiv `iKvi? 3
IRb KxfvGe gvcGe? 3 N. DwÍÏwLZ ˆhŒMàGjvi AcwiwgZ eÅenvi gvbe Õ¼vÕ©Å I cwiGek
N. ˆZvgvi KGjR jÅveGiUwiGZ eÅenvGii RbÅ ˆKvb c«¬wZ ‰i RbÅ ügwKÕ¼i…c weGkÏlYgƒjK Dîi `vI| 4
AwaKZi DcGhvMx KviY weGkÏlY KGiv| 4 7. X bvgK KGjGRi imvqb cixÞvMvi nGZ eRÆÅ cvwb cvGki
3. jÅveGiUwiGZ ™Ïvm wbwgÆZ h¯¨cvwZi gGaÅ me ˆPGq ˆewk cyKzGi wMGq cGo| wKQyw`b ci ˆ`Lv ˆMj H cyKzGii gvQ gGi hvGœQ
eÅen†Z nq eyÅGiU, wcGcU, ˆKŒwYK dÑvÕ•, ciL bj, exKvi BZÅvw`| ‰es cvke¼Æ ZxÆ MvGQi cvZv njy` eYÆ aviY KiGQ| ‰ cwiGek wechÆq
K. ivBWvi a‚eË K Kx? 1 ˆivGa imvqGbi wkwÞKv LvGj`v AvÚvi ‰K`j wkÞv^ÆxGK wbGq
L. gvBGKÌv I ˆmwg gvBGKÌv AÅvbvwjwUKÅvj c«¬wZi gGaÅ cv^ÆKÅ cyKzi nGZ 10 mL KGi 3wU bgybv cvwb msMÉn KiGjb|
Kx? 2 K. Õ¡cKKÆ Kx? 1
M. DóxcGK h¯¨cvwZàGjvi cwiÓ•viKiY ˆKŒkj eYÆbv KGiv| 3 L. jÅveGiUwiGZ ˆcvGmÆwjb evwUi eÅenvi Kxi…c? 2
N. DóxcGKi h¯¨cvwZàGjvi eÅenvi ˆÞò ‰es eÅenvi ˆKŒkj M. DóxcGK DwÍwÏ LZ bgybv msMÉGn ˆKvb KvP h¯¨ eÅenvi Dîg
wjGLv| 4 ‰es ˆKb? 3
4. N. DóxcGK DwÍÏwLZ cwiGek wechÆq ˆivGa imvqGbi wkÞv^Æx
wnGmGe Kx Kx c`GÞc ˆbqv DwPZ? weGkÏlY KGiv| 4
8. ivmvqwbK jÅveGiUwi ˆ^GK D«„¿Z ‘eÅen†Z ivmvqwbK `ËGeÅi
wbivc` msiÞY I AcmviGYi’ Ici imvqb mwgwZi DG`ÅvGM AbywÓ¤Z
250mL 1mL 5mL ˆmwgbvGi wZbwU cÉwKÌqvi Ici ài‚Z½ AvGivc Kiv nq”
Set-A Set-B i. SuywKi gvòv Abyhvqx eÅen†Z ivmvqwbK `ËGeÅi ˆkÉwYKiY I
K. Iqvwks wgkÉY Kx? 1 msiÞY|
L. welvÚ eRÅÆ msiÞGYi DcvqàGjv Kx Kx? 2 ii. eÅen†Z ivmvqwbGKi wbivc` cwiZÅvMKiY|
M. Set-A ‰i DcKiY mvgMÉxGZ Mvp NaOH ‰es KMnO4 `ËeY K. cvwbMvn Kx? 1
eÅenvGii cÉfve eÅvLÅv KGiv| 3 L. LwbR ‰wmWmgƒnGK jÅveGiUwiGZ KxfvGe msiÞY Kiv nq? 2
N. weGkÏlYx imvqGb `ywU Set ‰i DcKiGYi eÅenvi ˆÞò ‰K M. DóxcGKi (i) cÉwKÌqvwU KxfvGe mÁ·®² Kiv nq? 3
nGe Kx? ˆZvgvi gZvgZ weGkÏlY KGiv| 4 N. DóxcGKi (ii) cÉwKÌqvwUi ài‚Z½ weGkÏlY KGiv| 4
gGWj ˆUÕ¡ 3
gGWj 2 àYMZ imvqb
mgq: 25 wgwbU m†Rbkxj eüwbeÆvPwb cÉk² gvb-25
1. ‰KwU ˆgŒGji K, L ‰es M ˆmj cƒYÆ 9. ˆevi cvigvYweK gGWGji cÉavb Õ¼xKvhÆmgƒn 18. mnKvix ˆKvqv´Ÿvg msLÅv 2-‰i RbÅ
^vKGj ˆgŒjwUi cvigvYweK msLÅv KZ? nGjv ˆPŒÁ¼Kxq ˆKvqv´Ÿvg msLÅv KqwU?
i. kwÚÕ¦i mÁ·wKÆZ cÕÉ ¦ve
K 10 L 12 ii. ˆKŒwYK fiGeM mÁ·wKÆZ cÉÕ¦ve K 2wU L 3wU
M 18 N 20 iii. kwÚi wewKiY mÁ·wKÆZ cÕÉ ¦ve M 4wU N 5wU
2. nvBGWÈvGRb cigvYyi wewKiY eYÆvjx cKÉ vkK
caÉ vb ˆKvqv´Ÿvg msLÅv ˆevi cvigvYweK 19. KLb AatGÞc cGi?
mvaviY mgxKiY nGjv
gGWGji ˆh Õ¼xKvhÆ/Õx¼ KvhÆmgƒGni mvG^ K AvqwbK àYdj < `ËveÅZv àYdj
11 L AvqwbK àYdj > `ËveÅZv àYdj
n12 n22
( )1 107 m1
= 1.097 mivmwi mÁ·wKÆZ Zv nGjv M AvqwbK àYdj `ËveÅZv àYdj
evgvi wmwiGR n1 ‰i gvb KZ? wbGPi ˆKvbwU mwVK? N AvqwbK àYdj = `ËveÅZv àYdj
K i L ii
K1 L2 M i I ii N ii I iii 20. Si ‰i ˆÞGò òGqv`k BGjKUÇGbi RbÅ
M3 N4 10. MRI chÉ ywÚ eÅenvi KGi Kiv hvq? MÉnYGhvMÅ ˆKvqv´Ÿvg msLÅvi ˆmU
3. cvigvYweK MVb KvVvGgv AbymvGi, ‰KwU
cigvYyi ˆKvb ‰KwU AiweGUi BGjKUÇb K ˆivM wbYÆq L Rvj UvKv mbvÚ 1
M Rvj cvmGcvUÆ N ˆivM Dckg i. n = 3, l = 1, m + 1, s = + 2
aviY ÞgZv mGeÆvœP
‰KwU Drm nGZ wbMÆZ iwkÄi Ziã Š`NÆÅ 412nm, 1
K wecixZ wÕ·bhyÚ `y’wU ‰B ZGî½i wfwîGZ 11 I 12 bs cÉGk²i Dîi `vI: ii. n = 3, l = 1, m = 0, s = 2
L 32wU 11. iwkÄwU nGœQ 1
iii. n = 3, l = 0, m = 0, s = 2
M 2n2 (‰LvGb n = cÉavb ˆKvqv´Ÿvg msLÅv)
K Mvgv iwkÄ L iéb iwkÄ wbGPi ˆKvbwU mwVK?
N `y’wU M ˆeàwb iwkÄ N AeGjvwnZ iwkÄ
4. AwÝGRGb 8wU BGjKUÇb AvGQ| wbGPi ˆKvb 12. AvGjvi MwZ nGjv 3 108 ms–1 DóxcGK K i I ii L i I iii
Z^Å/Z^Åmgƒn AwÝGRGbi BGjKUÇb eÅen†Z iwkÄwUi KÁ·vâ KZ? M ii I iii N i, ii I iii
kwÚÕ¦Gi RbÅ mZÅ? K 7.28 1014Hz L 7.217 1010Hz 21. ˆKvbwUGZ AvGM BGjKUÇb cGÉ ek KiGe
i. 1s2 kwÚÕ¦Gi cÉ^g BGjKUÇGbi RbÅ M 7.281020Hz N 7.317 107Hz K 3d ˆZ L 4p ˆZ
PviwU ˆKvqv´Ÿvg msLÅvi gvb àGjv (1, 13. He-‰i `ywU BGjKUÇGbi wÕ·b ˆKvqv´Ÿvg M ˆKvGbvwUB bv N 5d
22. ˆdwiK jeGYi `ËeGY AÅvGgvwbqv `ËeY ˆhvM
0, 0, + 1/2) A^ev, (1, 0, 0, 1/2) msLÅvi gvb h^vKÌGg + 1 , – 1 | ‰wU ˆKvb KiGj Kx eGYÆi AatGÞc Drc®² nq?
2 2
ii. AwÝGRGb ˆcvÉ UGbi msLÅv 8 wbw`ÆÓ¡ bxwZ AbymiY KGi?
K mv`v L meyR
nGjI wbDUGbi msLÅv 8 wbw`ÆÓ¡ bq K ˆevGii cigvYy bxwZ
L AvDdevD bxwZ M njy` N ev`vwg
iii. PZz^Æ ˆKvqv´Ÿvg msLÅv s, ˆPŒÁ¼K ˆÞGò M üG´£i bxwZ 23. Kjvg ˆKÌvgvGUvMÉvwd c«¬wZ gƒjZ eÅenvi
BGjKUÇGbi ˆPŒÁ¼K övgK wbG`Æk KGi Kiv nq
ˆKvbwU mwVK?
N cvDwji eRÆb bxwZ i. ejGcGbi Kvwj ŠZwiGZ
K i L i I ii 14. wkLv cixÞvq wbGPi ˆKvb Avqb Dä¾j
ii. `ËveK ŠZwiGZ
M i I iii N i, ii I iii ˆmvbvwj njy` eGYÆi wkLv ŠZwi KGi?
5. ‰KwU wbiGcÞ ˆgŒj Y ‰i BGjKUÇb iii. AwZ ռ͸ cwigvY wgkGÉ Yi Dcv`vb
K Na+ L K+
webÅvm nj 1s2 2s2 2p6 3s1| Bnv ˆhvRÅZv M Ca2+ N Al3+ c^† KxKiGY
15. wbGPi ˆKvbwU AiweUvGji kwÚi DœPKÌg wbGPi ˆKvbwU mwVK?
kwÚÕ¦Gi BGjKUÇb MÉnY ev eRÆb KGi KZ wbG`Æk KiGQ?
PvGRÆi Avqb ŠZwi KGi| K i L ii
K 2 L 1 K 1s < 2s < 6s < 5p M iii N i, ii I iii
L 4s < 3d < 4p < 5s
M +1 N +2 M 4f < 6d < 5p < 7s wbGPi ZG^Åi AvGjvGK 24 I 25 bs cÉGk²i Dîi
6. ˆKÌvgvGUvMÉvwdGZ ‰KwU Dcv`vb wÕ©i `kvi
N 4p < 4d < 5s < 6s `vI :
Dci w`Gq KZ`ƒi evwnZ nGe Zv wbfÆi KGi
16. `†kÅgvb AvGjvi Ziã‹`GNÆÅi ˆié KZ? kvwnb ‰KwU ARvbv jeGYi Rjxq `ËeGY
i. Pjgvb `kv I Dcv`vGbi AvKlÆGYi Dci K 380 nm 780 nm Avjv`fvGe cUvwmqvg ˆdGivmvqvbvBW I
ii. wÕ©i `kvi ciy ‚GZ½i Dci L 780 nm 920 nm ˆewiqvg bvBGUÇU Pvjbv KGi chÆGeÞY KiGjv|
iii. Zvcgvòvi Dci M 480 nm 780 nm 24. ARvbv jeYwUGZ Fe3+ Avqb ^vKGj
ˆKvbwU mwVK? N 780 nm 1500 nm i. Mvp bxj `ËeY ŠZwi KGi
K i L i I iii 17. mPj `kvi ˆfŒZ AeÕ©vi Dci wfwî KGi ii. Mvp bxj AatGÞc ŠZwi KGi
ˆKÌvgvGUvMÉvwdi ˆKvb wefvRbwU Kiv nGqGQ?
M ii I iii N i, ii I iii K AwaGkvlY ˆKÌvgvGUvMÉvwd I e¥Ÿb iii. KCNS ‰i mvG^ iÚ jvj `ËeY ŠZwi KGi
7. ˆKÑvwib MÅvGmi eYÆ ˆKÌvgvGUvMÉvwd wbGPi ˆKvbwU mwVK?
K cxZvf meyR L mv`v L Kjvg ˆKÌvgvGUvMÉvwd I cvZjv Õ¦i K i I ii L i I iii
ˆKÌvgvGUvMÉvwd
M ev`vgx N eYÆnxb M ii I iii N i, ii I iii
8. ˆbmjvi `ËeY I NH3 mnGhvGM ev`vgx
M ˆccvi ˆKÌvgvGUvMÉvwd I MÅvm 25. jeYwU KveGÆ bU gƒjK hyÚ nGj kvwnb ˆKvb
AatGÞGci msGKZ nGjv ˆKÌvgvGUvMÉvwd eGYÆi AatGÞc chÆGeÞY KGiwQj?
K NH4Cl.HgI2 L HgI2 N MÅvm ˆKÌvgvGUvMÉvwd I Zij K nvjKv meRy L bxjvf mv`v
M Cu2[Fe(CN)6] N NH2[Hg2I3] ˆKÌvgvGUvMÉvwd
M mv`v N ev`vgx
Dîi 1M2L3M4N 5M6L7K8N9 K 10 K 11 M 12 K 13 N
14 K 15 L 16 K 17 K
18 N 19 L 20 K 21 K 22 N 23 M 24 M 25 M
4 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq: 2 N¥Ÿv 35 wgwbU m†Rbkxj iPbvgƒjK cÉk² gvb-50
1. 5. nvBGWÈvGRb cigvYyi PZy^ÆZg KGÞi eÅvmvaÆ 8.5 1010
Ksp = 2.1 × 1032 mol4L4 m| cigvYywUi w«¼Zxq I Z‡Zxq ˆevi KGÞ ‰KwU BGjKUÇGbi kwÚ
Fe(OH)3 Rjxq `ËeY h^vKÌGg 5.42 1012 erg ‰es 2.41 1012 erg| Avgiv Rvwb,
25C Zvcgvòv (Fe = 55.85) BGjKUÇGbi fi, 9.1 103 kg ‰es h = 6.625 1027 erg sec|
K. cwji eRÆb bxwZwU ˆjGLv? 1 K. ˆKvqv´Ÿvg Zî½ Kx? 1
L. Fe ˆK ˆdGivPzÁ¼K c`v^Æ ejv nq ˆKb? 2 L. iv`viGdvGWÆi cigvYy gGWjGK ˆmŒi gGWj ejv nq ˆKb?2
M. DóxcGKi mÁ·†Ú `ËeGY OH– ‰i Nbgvòv wbYÆq KGiv| 3 M. PZy^Æ KÞcG^ BGjKUÇbwUi MwZGeM wbYÆq KGiv| 3
N. DóxcGKi ˆhŒMwUi `ËveÅZv 15C Zvcgvòvq 2.96 10–9 molL–1 N. cigvYywU 3q KÞ ˆ^GK w«¼Zxq KGÞ ‰KwU BGjKUÇb
nGj, 15C Zvcgvòvq cÉ`î `ËeYwUGZ AatGÞc coGe wKbv ˆbGg Avmvi dGj ˆh kwÚi wewKiY nq Zvi Ziã Š`NÆÅ
Zv MvwYwZKfvGe weGkÏlY KGiv| 4 wnmve KGiv| 4
2. A 1s22s2 2p6 3s2 3p6 3d6 6.
K. AvBGmvGUvb Kx? 1 AiweUvj l m
L. üG´£i bxwZ BGjKUÇb webÅvmmn eÅvLÅv KGiv| 2 X0 0
M. DóxcK nGZ 3d ‰i BGjKUÇbmgƒGni meàGjv Y1 +1, 0, 1
ˆKvqv´Ÿvg msLÅvi gvb wbYÆq KGiv| 3 Z 2 +2, +1, 0, 1, 2
N. DóxcGKi 'A' ‰i BGjKUÇb webÅvmwU ‰KwU cigvYyi K. Avjdv KYv Kx? 1
L.
wÕ©i KÞcG^ ^vKvKvGj BGjKUÇb wÕ©i AeÕ©vq ^vGK
A^ev AvqGbi DwÚwU hywÚmn eÅvLÅv KGiv| 4 Kx?
2
3. B ‰KwU ˆgŒj hvi ˆhvRÅZvÕ¦Gii BGjKUÇGbi ˆKvqv´Ÿvg M. DóxcGKi X I Y AiweUvj«¼Gqi mÁ¿veÅ wPò DcÕ©vcb
msLÅvàGjv wbÁ²i…c:
KGiv| 3
1 N. “BGjKUÇb wbDwKÑqvGmi wewf®² kwÚÕ¦Gi AeÕ©vb KiGZ
n = 4, l = 0, m = 0, s = 2
cvGi” DóxcGKi Z AiweUvGji mvGcGÞ DwÚwUi
K. UV iwkÄ Kx? 1
weGkÏlY KGiv| 4
L. ˆPŒÁ¼Kxq ˆKvqv´Ÿvg msLÅvi ZvrchÆ ˆjL| 2
7.
M. DóxcGK B = H nGj BGjKUÇbwUi 4^Æ Õ¦i ˆ^GK 1g kwÚ
Õ¦Gi wbGq AvmGj wecixZ iwkÄi Ziã‹`NÆÅ wbYÆq KGiv|3
N. DóxcGKi B2+ AvqGbi eYÆhyÚ nevi mÁv¿ eÅZv hvPvB
KGiv| 4 1
4. K. ˆZRwÕ˜q iwkÄ Kx?
L. Na+ PvRÆhyÚ wK¯§ Na Zwor wbiGcÞ ˆKb? 2
Þvi M. 0.25M H2SO4 `ËeGY A-cvGòi bgybvwUi `ËveÅZv wbYÆq
KGiv| 3
jeGYi gƒj N. DóxcGKi B I C-cvGòi ˆhŒMàGjvi cvwbGZ `ËveÅZv
`ËeY
wbqvgGKi Dci wbfÆi KGi-weGkÏlY Ki| 4
avc (1) : mv`v AatGÞc cGo, hv AwZwiÚ weKviGK `Ëexf„Z 8. ˆgŒj cvigvYweK msLÅv
nq| X 29
avc (2): AatGÞc cybivq wdGi AvGm H2S mn D KiGj| Y 30
K. mgAvqb cÉfve Kx? 1 K. eYÆvjx KvGK eGj? 1
L. AiweU I AiweUvj ejGZ Kx ˆevS? 2 L. 2d AweÆUvjwU mÁ¿e bq ˆKb? 2
M. avc (1) I avc (2) ‰i AvGjvGK wewKÌqvmn jeYwUi M. 'X' ‰i 23Zg BGjKUÇbwUi ˆÞGò PviwU ˆKvqv´Ÿvg
3 msLÅvi mwVK ˆmUwU wbYÆq KGiv| 3
ÞviKxq gƒjK kbvÚ KGi ˆ`LvI|
N. cixÞvbGji gƒj `ËeGY DcwÕ©Z ÞviKxq ˆgŒjwUi N. “'X' I 'Y' ‰i AvqbmgƒGni gGaÅ ‰KwUGK wkLv I wmÚ
Dfq cixÞvi gvaÅGg mbvÚ Kiv ˆMGj I AciwUGK wmÚ
ˆKÑvivBW jeGYi mvG^ ‰KB chÆvqfzÚ Þvi I g†rÞvi
cixÞvi gvaÅGg mbvÚ Kiv hvq, wK¯§ wkLv cixÞvi
avZzi ˆKvÑ ivBW jeGYi cvwbGZ `ËveÅZvi KÌg eÅvLÅv
4 gvaÅGg mbvÚ Kiv hvq bv|” eÚeÅwU eÅvLÅv KGiv| 4
KGiv|
gGWj ˆUÕ¡ 5
gGWj 3 ˆgŒGji chÆvqe†î agÆ I ivmvqwbK e®¬b
mgq: 25 wgwbU m†Rbkxj eüwbeÆvPwb cÉk² gvb-25
1. wbGPi ˆKvb MÉ‚Gci ˆgŒjmgƒn AeÕ©v¯¦i 7. ˆKvb MÉ‚Gci ˆgŒj cÉkg AÝvBW Drc®² KiGZ wbGPi DóxcKwU co ‰es 18 I 19 bs cÉGk²i
ˆgŒj? Dîi `vI:
K Sc,. Fe, Cu, Cr cvGi ‰KRb wkÞK sp2 msKiY eySvGZ wMGq fzjekZ
K 2 I 13 L 13 I 14 AbÅ ‰KwU ŠRe ˆhŒM 'B' ‰i D`vniY w`Gjb|
L Fe, Co, Ni, Zn M 14 I 15 N 15 I 17 cGi wZwb ˆ`LGjb ˆhŒGMi cÉwZwU KveÆGb 2wU
M Cr, Mn, Fe, Cu KGi AmsKwiZ AiweUvj AvGQ ‰es ‰i
N Sc, Cr, Fe, Zn 8. AvqwbK eÅvmvGaÆi wbÁ² KÌgvbymvGi mwVK AvYweK fi 26|
KÌgwU wbeÆvPb KGiv| 18. DóxcGKi 'B' ˆhŒMwUGZ ˆKvb msKiY
2. ‰KwU AvqwbK ˆhŒGMi AwaKZi mgGhvRx
nIqvi mÁ¿vebv@ K Al3+ > Mg2+ > Na+ > F > O2 we`Ågvb?
i. KÅvUvqGbi AvKvi ˆQvU I AÅvbvqGbi L O2 > F > Na+ > Mg2+ > Al3+
AvKvi eo nGj M Na+ > F > Mg2+ > O2 > Al3+
ii. KÅvUvqGbi AvKvi ˆQvU I DœP PvRÆ N Na+ > Mg2+ > Al3+ > O2 > F A K sp L sp2
9. wbGPi ˆKvbwU cviAÝvBW ˆhŒM?
^vKGj K KO2 L NO2 M sp3 N sp2d
iii. AÅvbvqGbi AvKvi ˆQvU I DœP PvRÆ M MnO2 N BaO2 19. DóxcGK 'B' ˆhŒMwUGZ
^vKGj
wbGPi ˆKvbwU mwVK? 10. Li, Na, K -‰i weRviY ÞgZvi mwVK KÌg i. 3wU -e®¬b AvGQ
K i I ii L i I iii nGjv ii. 2wU -e®¬b AvGQ
K Li > Na > K L Na > K > Li
M ii I iii N i, ii I iii M K > Na > Li N Li > K > Na iii. AmsKwiZ AiweUvj«¼q cvkvcvwk
AwaKÌgY KGi
3. d-eÐK ˆgŒj RwUj ˆhŒM MVb KiGZ cvGi 11. mGeÆvœP AvqwbKiY wefewewkÓ¡ wbwÓ˜q wbGPi ˆKvbwU mwVK?
KviY MÅvm ˆgŒjwU nGjv A K i I ii L i I iii
i. cigvYy I AvqGbi Þ`z Ë AvKvi K He L Ne
M Ar N Kr M ii I iii N i, ii I iii
ii. wbDwKÑqvGm PvGRÆi cwigvY ˆewk 20. ˆKvb agÆ Abyhvqx nÅvGjvGRbàGjvGK mwVK
iii. d-DcÕ¦Gii BGjKUÇbàGjvi AmgGhvRÅZv 12. meGPGq ˆewk Zwor abvñK ˆgŒjwUi
KÌg AbymvGi mvRvGbv nq bvB?
MVGbi ÞgZv BGjKUÇb webÅvm nGjv K F > Cl > Br : Zwor FYvñKZv
K [He]2s1 L [He]2s2
wbGPi ˆKvbwU mwVK? M [Xe]6s1 N [Xe]6s2 L Cl > F > Br : BGjKUÇb AvmwÚ
K i I ii L i I iii
M ii I iii N i, ii I iii 13. w«¼Zxq chÆvGqi wbGPi ˆKvb ˆgŒjwUi M F > Cl > Br : RviY ÞgZv
AÝvBGWi AÁÏagÆ meGPGq ˆewk?
4. mgxKiGYi gvaÅGg PviwU ‰b^vjwci K Be LB N F2 > Cl2 > Br2 : e®¬b kwÚ
21. ‰KwU ˆgŒGji BGjKUÇb webÅvm [Ar]3d10
cwieZÆb ˆ`LvGbv nGjv MN NF
4s1 ˆgŒjwUi chÆvq mviwYGZ AeÕ©vb
Na(g) Na+(g) + e, H = W; Na(g) 14. wbGPi ˆKvb cwieZÆbwUi ˆÞGò kwÚ wbMÆZ nq? K 3q chÆvq 12 Zg MÉ‚c
Na2+(g) + 2e, H = X; Na(s) Na(g), K X (g) X(g) + e L 3q chÆvq 11 Zg MÉ‚c
H = Y; Na(s) Na+2 (g) + 2e H = Z| L O(g) O+ (g) + e
ˆmvwWqvg ˆgŒGji cigvYyi 2q AvqwbKiY
wefGei gvb M O(g) + e O (g) M 4^Æ chÆvq 12 Zg MÉ‚c
N 4^Æ chÆvq 11 Zg MÉ‚c
KX L XW N O(g) + e O2 (g) 22.wbGPi ˆKvb ˆRvowUGZ w«¼Zxq cigvYywU c^É g
M YW N ZW 15. -e®¬b MwVZ nq
i. s–s AwaKgÌ GYi gvaÅGg
5. AvqwbK e®¬b MVGbi RbÅ cÉGqvRbxq kZÆ ii. p–p AwaKgÌ GYi gvaÅGg cigvYyi ˆPGq AvKvGi eo
K Na, Mg L Br, Cl
i. avZzi wbÁ² AvqbxKiY kwÚ iii. sp – sp AwaKgÌ GYi gvaÅGg
ii. ˆhŒGMi DœP jÅvwUm kwÚ M Sr, Ca N O, S
wbGPi ˆKvbwU mwVK? 23. [Ni(CO)4] ˆhŒMwU @
iii. AavZzi DœP BGjKUÇb AvmwÚ A K i I ii L i I iii i. WvqvGPŒÁ¼K
wbGPi ˆKvbwU mwVK?
A K i I ii L i I iii M ii I iii N i, ii I iii ii. PviwU mw®G² ek e®¬bhyÚ ˆhŒM
16.Mg ‰i c^É g AvqwbKiY wefGei gvb Na
M ii I iii N i, ii I iii iii. ˆhŒMwUi AvK‡wZ PZzÕ¦jKxq
wbGPi DóxcKwU jÞ Ki ‰es 6 I 7 bs cÉGk²i ‰i Zzjbvq eo, KviY wbGPi ˆKvbwU mwVK?
K BGjKUÇbwU 2s DcKÞ ˆ^GK wbMÆZ nq
Dîi `vI : L Mg ‰i KvhÆKix wbDwKÑq Avavb Na ‰i A K i I ii L i I iii
M ii I iii N i, ii I iii
MÉ‚c 2 13 14 15 17 Zzjbvq ˆewk 24. wbGPi ˆgŒjàGjvi gGaÅ Zwor FYvñKZvi
ˆgŒj Be, Mg B, Al C, Si N, P F, Cl M BGjKUÇbwU cwicƒYÆ kwÚÕ¦i ˆ^GK wbMÆZ nq nvi e†w«¬ cvIqvi KÌg
AÝvBW BeO, B2O3,
OF2, N AvqbwUi BGjKUÇb webÅvm wbwÓ˜q K C, N, Si, P L P, Si, N, C
MgO Al2O3 Cl2O ˆgŒGji gZ nq M N, Si, C, P N Si, P, C, N
6. MgO I Al2O3 ‰i ˆÞGò 17. wbGPi ˆKvb ˆgŒjwU wbG`ÆwkZ cwievGii 25. wbGPi ˆKvbwU AvqwbK eÅvmvGaÆi mwVK KÌg
i. DfqB ‰wmGWi mvG^ wewKÌqv KGi
ii. DfqB ÞvGii mvG^ wewKÌqv KGi A¯¦fzÆÚ bq? wbG`Æk KGi?
K Cu-gy`ËvavZz
iii. w«¼Zxq ˆhŒMwU ÞvGii mvG^ wewKÌqv KGi L La-g†rÞvi avZz K S2 > Cd2+ > K+ > Cl
wbGPi ˆKvbwU mwVK? M I-nÅvGjvGRb L Cl > S2 > K+ > Ca2+
K i I ii L i I iii M S2 > Cl > K+ > Ca2+
M ii I iii N i, ii I iii N Ce-weij g†wîKv ˆgŒj N Ca2+ > K+ > Cl > S2
Dîi 1 M 2 K 3 M 4 L 5 N 6 L 7 M 8 L 9 N 10 N 11 K 12 M 13 N
14 M 15 N 16 L 17 L 18 K 19 N 20 N 21 N 22 N 23 N 24 N 25 M
6 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq: 2 N¥Ÿv 35 wgwbU m†Rbkxj iPbvgƒjK cÉk² gvb-50
1. L. HClO4 I HBrO4 ‰i gGaÅ ˆKvbwU AwaKZi AÁxÏ q? eÅvLÅv
KGiv| 2
Avqb BGjKUÇb msLÅv
M. AB2 I AB3 ‰i gGaÅ ˆKvbwUi Mjbvâ ˆewk? ˆZvgvi
X+ 0
Y3– 10 DîGii cGÞ hywÚ `vI| 3
Z2+ 26 N. 'C' ˆgŒGji ‰KwU AvqGbi ˆhŒM iwOb nGjI 'D' ˆgŒGji
K. nÅvGjvGRb Kx? 1 AvqGbi ˆhŒM iwOb nq bv weGkÏlY KGiv| 4
L. [Cu(NH3)4]2+ KxfvGe MwVZ nq? 2 5. RwUj AvqbwU jÞ Ki:
M. DóxcGKi YX3 ‰i mvG^ X+ hyÚ nGq MwVZ ˆhŒGMi msKiY [X (NH3)4]2+ ; X ˆgŒGji cvigvYweK msLÅv = 29 1
K. ˆcvjvi ˆhŒM Kx?
eÅvLÅv KGiv| 3
L. Al2O3 ˆK DfagÆx AÝvBW ejv nq ˆKb? 2
N. DóxcGKi Z chÆvqf„Ú ˆgŒjmgƒGni MjbvsGKi cwieZÆb
M. DóxcGKi RwUj AvqbwU Kx msKiGY MwVZ nq eÅvLÅv KGiv| 3
cÉGqvRbxq ˆjLwPò AsKb KGi weGkÏlY KGiv| 4
N. DóxcGKi X ˆgŒGji cvigvYweK msLÅv 30 nGj cƒGeÆi ˆhŒGMi
2. C2H2, NH3 ‰es H2O KZàGjv mgGhvRx ˆhŒM|
K. WvqvgÅvMGbwUK ˆgŒj KvGK eGj? 1 mwnZ PzÁ¼K agÆ Zzjbv KGiv| 4
L. bvBGUÇvGRGbi AvqwbKiY wefe AwÝGRb AGcÞv ˆewk ˆKb? 2 6. A = ................... ns2
B = ................... np2
M. DóxcGKi 1g ˆhŒM KveÆGbi Kx aiGbi msKiY NGUGQ? C = ................... np4 [n = 2]
AiweUvj wPGòi mvnvGhÅ eÅvLÅv KGiv| 3 K. ˆcvjvivqb Kx? 1
N. AiweUvj msKixKiGYi aviYvi gvaÅGg DóxcGKi ˆkl 2wU L. AeÕ©v¯¦i ˆgŒj iwOb ˆhŒM MVb KGi ˆKb? 2
ˆhŒGMi AYyi AvK‡wZ eÅvLÅv KGiv| 4 M. DóxcGKi A ‰i nvBWÈvBW ˆhŒGMi ˆK±`Êxq cigvYyi msKiY
eÅvLÅv KGiv| 3
3. wbGPi MÉvdwU chÆGeÞY KGiv N. DóxcGKi B ‰es C ˆgŒGji nvBWÈvBW ˆhŒGMi e®¬b ˆKvGYi
H wf®²Zv iGqGQ weGkÏlY KGiv| 4
7.
AvqwbKiY wefe EG i Ca Al ii
X(8)
BD F S N
Q
iii
C R K. Þvixq AÝvBW Kx? 1
A P
L. avZzi AÝvBW ÞviagÆx ˆKb? 2
5 10 15 20 M. (i), (ii) I (iii) bs AÝvBGWi cÉK‡wZ wewKqÌ vi mvnvGhÅ wbYÆq
cvigvYweK msLÅv
KGi ˆ`LvI| 3
K. AiweUvGji AwaKÌgY Kx? 1 N. (i) I (iii) bs AÝvBGWi cÉK‡wZ wbaÆviGY AÁÏ ÞviK wbG`ÆkGKi
L. KveÆb cigvYyi sp2 msKivqb I Bw^b AYyi MVb KvVvGgvi f„wgKv weGkÏlY KGiv| 4
eÅvLÅv `vI| 2 8. ‰Kv`k ˆkËwYi wkÞK QvòG`i wbg³wjwLZ ˆgŒjàGjvi
M. A I P ˆgŒGji AÝvBGWi aGgÆi mvG^ C I R ˆgŒGji BGjKUÇb webÅvm wjLGZ ejGjb@
AÝvBGWi aGgiÆ ZyjbvgƒjK AvGjvPbv Ki| 3 (i) K (ii) Br (iii) Kr (iv) Cl
BGjKUÇb webÅvGmi ˆcÉÞvcGU ˆ`Lv hvq ˆh, KwZcq ˆgŒj ciÕ·Gii
N. B I C ‰es E I F ˆgŒGji AvqwbKiY wefGei gvGbi mvG^ e®¬Gb Ave«¬ nq|
‰KBi…c mv`†kÅ nGjI KviY mÁ·ƒYÆ wf®-² eÅvLÅv Ki| 4 K. fÅvb-Wvi-Iqvjm ej KvGK eGj? 1
4. L. DcwiDÚ (i) bs I (iii) bs ˆgŒGji gGaÅ AvqwbKiY kwÚ Zzjbv
ˆgŒj ewntÕ© Õ¦Gii BGjKUÇb webÅvm KGiv| 2
A 3d6 4s2 M. DcwiDÚ (ii) bs ˆgŒGji wmjfvi jeY cvwbGZ A`ËeYxq eÅvLÅv
B 3s2 3p5
C 3d10 4s1 KGiv| 3
D 3d10 4s2
N. DcwiDÚ (i) bs ˆgŒGji mvG^ (ii) bs I (iv) bs ˆgŒj «¼viv
MwVZ ˆhŒGMi gGaÅ ˆKvbwUi Mjbvâ I Õ¹zUbvâ ˆewk
K. C2H4 ˆZ KqwU e®¬b AvGQ? 1 weGkÏlY KGiv| 4
gGWj ˆUÕ¡ 7
gGWj 4 ivmvqwbK cwieZÆb
mgq: 25 wgwbU m†Rbkxj eüwbeÆvPwb cÉk² gvb-25
1. ZxeËZvi mwVK KÌg ˆKvbwU? wbGPi ˆKvbwU mwVK? 17. jÅv-kÅvGUwjqvi bxwZ Abyhvqx, ˆKvb DfgyLx
K i I ii L i I iii wewKÌqvi mvgÅveÕ©vq m¯ÃyL wewKÌqvwU
K H2SO4 > HNO3 > HClO3 M ii I iii N i, ii I iii ZvGcvrcv`x nGj, Zvcgvòvi cfÉ vGe
L HNO3 > HClO3 > H2SO4 9. ˆKvb ivmvqwbK wewKÌqv ‰KB mvG^ i. Zvcgvòv e†w«¬ KiGj wecixZ wewKÌqvwU
M H2SO4 > HClO3 > HNO3 mÁÃyLw`GK I cøvrw`GK PjGZ ^vKGj AvbyK„jÅ jvf KGi, dGj DrcvG`i
N HClO3 > H2SO4 > HNO3 cwigvY nËvm cvq
A2(g) + B2(g) HoooI 2AB(l) H = +ve ZvGK ejv nq ii. Zvcgvòv nËvm KiGj m¯ÃyL wewKÌqv
K DfgyLx wewKÌqv AbyK„j nq ‰es DrcvG`i cwigvY evGo
2. wewKÌqvwUGZ PvGci cfÉ ve Kxic… nGe? L mvgÅwewKÌqv
K Pvc evoGj Drcv`b evGo M wecixZgyLx wewKÌqv iii. Zvcgvòv wÕ©i ^vKGj wewKÌqGKi
L Pvc KgGj Drcv`b evGo N wÕ©wZkxj wewKÌqv cwigvY nËvm cvq ‰es DrcvG`i cwigvY
M PvGci cÉfve ˆbB evGo
N Pvc evoGj Kp evoGe 10. Kp I Kc ‰i gGaÅ mÁ·KÆ Kx? wbGPi ˆKvbwU mwVK?
K Kp = Kc (RT)n L Kc = Kp (RT)n
3. COOH + H2SO4 + KMnO4 M Kp Kc = (RT)n N Kp = Kc K i I ii L i I iii
M i, ii I iii N ii I iii
| wbGPi ZG^Åi AvGjvGK 11 I 12 bs cÉGk²i Dîi
COOH `vI : DóxcKwU co ‰es 1820 bs cÉGk²i Dîi `vI:
K2SO4 + MnSO4 + CO2 + H2O DcGivÚ CH4(g) + 2O2(g) HoooI CO2(g) + 2H2O(l) N2O4(g) F 2NO2(g) ‰LvGb MÅvm wgkÉGYi ˆgvU
wewKÌqvq Mn2+ ‰KwU H = 890 kJ mol1 Pvc P cvÉ ^wgK AeÕ©vq Nm2oOl 4ˆ^‰GiKcwimgvoYl
ˆgvj ‰es mvgÅveÕ©vq a a
C H, O = O, C = O, H O e®¬b kwÚ
K abvñK cÉfveK weGqvwRZ nGj
L Õ¼-cfÉ veK 18. mvgÅveÕ©vq ˆgvU ˆgvj msLÅv KZ?
M FYvñK cÉfveK h^vKÌGg 431.5, 798, 724 I X kJmol1|
N AvweÓ¡ cÉfveK 11. DcGii ZG^Åi AvGjvGK X ‰i gvb KZ K (a – )mol L (a – 2)mol
kJmol1?
4. Zvcgvòv evovGj mvgÅveÕ©vq K 485.5 L 463 M (a + )mol N (a + 2)mol
M 428 N 412
i. mvgÅveÕ©v evGg Õ©vbv¯¦wiZ nq 19. wewKÌqvwUGZ NO2 ‰i AvswkK Pvc KZ?
ii. mvgÅ aË‚eGKi gvb evoGe 12. wewKÌqvi Zvcgvòv evovGj K a 2 L 2a
iii. mvgÅveÕ©v Wvb w`GK mGi hvGe – .P 2 + .P
wbGPi ˆKvbwU mwVK? i. Kp ‰i gvb nËvm cvGe
ii. Kp ‰i gvb e†w«¬ cvGe M 2P N 2
iii. mvgÅveÕ©v evGg mGi hvGe a+ – a.P
20. DóxcGKi wewKÌqvi ˆÞGò
K i I ii L i I iii wbGPi ˆKvbwU mwVK? 42
M ii I iii N i, ii I iii i. Kp = (a – )2V
5. wbGÁi² ˆKvb wewKÌqvi Dci PvGci cfÉ ve K i I ii L i I iii
M ii I iii N i, ii I iii 42P
ˆbB 13. ii. Kp = a2 – 2
K A(g) + B(g) HoooI 2AB(g)
L 2C(g) + D2(g) HoooI 2CD(g) Drcv` iii. N2O4 ‰i AvswkK Pvc a–
M M2N4(g) HoooI 2MN2(g) PN2O4 = a + .P
N P2(g) + 3Q2(g) HoooI 2PQ3(g) wbGPi ˆKvbwU mwVK?
wewKÌqK K i I ii L i I iii
6. 2NO2(g) HoooI N2O4(g) wewKÌqvi M ii I iii N i, ii I iii
mvgÅaË‚eGKi ‰KK Kx? 21. `ËeGY mÁ·ƒYÆi…Gc weGqvwRZ nq
K mol L1 L mol1 L3 i. HCl ii. CH3COOH
M L mol1 N L2 mol2 mgq wibiiG.PHi NˆKOv3bwU mwVK?
7. AÅvGgvwbqv I AÅvGgvwbqvg ˆKÑvivBW ˆ^GK
‰KwU evdvi `ËeY ŠZwi Kiv nGjv| ‰B wPGò Y AÞ Kx wbG`Æk KGi? K i I ii L i I iii
K wewKÌqvi MwZGeM L ˆgvjvi Nbgvòv M ii I iii N i, ii I iii
evdviwUGZ A͸ cwigvY ‰wmW ˆhvM KiGj M Pvc N Zvcgvòv 22. wbGPi ˆKvb `ËeGYi pH 7.0 AGcÞv ˆewk?
Kx NUGe? 14. mvaviYZ 10C Zvcgvòv e†w«¬ KiGj
K ‰wmGWi H+ Avqb Cl hyÚ nGq HCl wewKÌqvi nvi w«¼àY ev wZbàY e†w«¬ cvq| K 0.01M Na2CO3
ŠZwi KGi KviY L 0.01M NH4Cl
L ‰wmGWi H+ Avqb AÅvGgvwbqvi mvG^ i. wewKÌqGKi MwZGeM e†w«¬ cvq M 0.01M CH3COOH
hyÚ nGq NH4+ ŠZwi KGi ii. msNlÆ nvi e†w«¬ cvq N 0.01M NaCl
M NH4+ Avqb weGqvwRZ nGq AÅvGgvwbqv
23. HF + MOH H+ + F– + M+ + OH–;
ŠZwi nq wewKÌqvwUi cÉkgb Zvc e†w«¬ cvIqvi KviY
iii. AwaK AYyi mwKÌqY kwÚi jvf i. ckÉ gb ZvGci mvG^ F AvqGbi cvwb
wbGPi ˆKvbwU mwVK?
ˆhvRb ZvGci mgwÓ¡KiY
N ‰wmGWi H+ Avqb AÅvGgvwbqvg K i I ii L i I iii ii. HA I MOH– ‰i mÁ·ƒYÆ weGqvRb
ˆKÑvivBW weGqvwRZ nGZ evav ˆ`q M ii I iii N i, ii I iii iii. F AvqGbi DœP PvRÆ NbZ½
15. SO2 RviGY ˆKvbwU cfÉ veK wel wnGmGe wbGPi ˆKvbwU mwVK?
8. ivmvqwbK mvgÅveÕ©vi RbÅ wbGPi KvR KGi? K i I ii L i I iii
Z^Å/Z^Åmgƒn mwVK?
i. Zvcnvix wewKÌqvq Zvc cÉ`vb Kiv nGj K Pt L V2O5 M ii I iii N i, ii I iii
24. 1COm2oDl Crc2H®²5nOqH? ‰i cƒYÆ `nGb KZ ˆgvj
mÁÃyL wewKÌqv msMwVZ nGe M MnO2 N As2O3
16. AbyNUGKi ŠewkÓ¡Å ˆKvbwU?
ii. 10C Zvc cÉ`vb Kiv nGj wewKÌqvi MwZ K cKÉ ‡ZcGÞ wewKÌqvq Ask MÉnY KGi bv K 1 mol L 2 mol
`yB ˆ^GK wZb àY e†w«¬ ˆcGZ cvGi M 3 mol N 4 mol
L DrcvG`i mvgÅ Nbgvòvi cwieZÆb NUvq 25. ˆZGji nvBGWÈvwRGbkGb ˆKvbwU nq?
iii. DrcvG`i Nbgvòv KgvGj mÁÃyL wewKÌqv M meÆ`vB wewKÌqvi nvGii nËvm NUvq
msMwVZ nGe N meÆ`vB wewKÌqvi mwKÌqb kwÚi e†w«¬ NUvq K Pt L Mo
M Ni N As
Dîi 1N2M3L4M 5K6K7L8N9 K 10 K 11 L 12 L 13 K
14 N 15 N 16 K 17 K 18 M 19 M 20 M 21 L 22 K 23 L 24 L 25 M
8 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq: 2 N¥Ÿv 35 wgwbU m†Rbkxj iPbvgƒjK cÉk² gvb-50
1. K. ivmvqwbK mvgÅveÕ©v KvGK eGj? 1
L. Mn2+ ‰KwU AGUv cÉfveK eÅvLÅv KGiv| 2
M. ˆjLwPò nGZ wewKqÌ vi mwKÌqY kwÚ I H wnGme KGi
wewKqÌ vwU ZvGcvrc`x bv Zvcnvix Zv eÅvLÅv KGiv| 3
N. DóxcGKi wewKqÌ vi mwKÌqb kwÚ I MwZi Dci cÉfveGKi
f„wgKv eÅvLÅv KGiv| 4
A = MÉ‚c IVA ‰i cÉ^g ˆgŒj 5. H2O(l)
B = MÉ‚c VIA ‰i w«¼Zxq ˆgŒj
N2(g) + 3H2(g) HoooooooI 2NH3 (g) (3) NH4OH(aq)
(1) (2) HCl(aq)
H2 = 1109.17 kJ
NH4Cl(aq)
BO2 ‰i Hf = 297.39 kJ mol1 1
K. Zvcnvix wewKqÌ v KvGK eGj?
AO2 ‰i Hf = 394.55 kJ mol1 L. Zvc imvqGbi ˆnGmi mƒòwU wee†Z KGiv| 2
K. `ËeY Zvc Kx?
1 M. DcGii 1 bs wewKÌqvwU Zvcnvix bv Zvc Drcv`x? ‰ wewKÌqvi
L. Kc ‰i gvb KLbI kƒbÅ nq bv ˆKb? eÅvLÅv KGiv| 2 mvgÅaË‚eGKi Dci Zvc I PvGci cÉfve eÅvLÅv KGiv| 3
M. DóxcGKi AB2 ‰i MVb Zvc eYÆbv KGiv| 3
N. 2 I 3 bs wewKqÌ vi Drcvw`Z eÕ§àGjvi pH gvb mÁ·GKÆ
N. DóxcGKi D«†Z¼ Z^Åmgƒn ˆ^GK ˆnGmi Zvc mgwÓ¡KiY mƒòwU eÅvLÅvmn aviYv `vI| ‰B Drcv` `y’wUi mg®¼Gq ŠZwi `ËeGYi
MvwYwZKfvGe cÉgvY KGiv| 4 evdvi wKqÌ v hywÚmn weGkÏlY KGiv| 4
2. ‰KRb gvbyGli iGÚi pH 7.4| ˆKvGbv KviGY gvbyl cvwb 6.
kƒbÅZvi (wWnvBGWÈkGbi) KeGj cGo iGÚi pH 0.4 ‰i gGaÅ
DVvbvgv KiGj Zvi Rxeb msKUvc®² nGq ˆhGZ cvGi| ZvB iGÚi
evdvi `ËeGYi ˆKvGbv eÅvwµ¦ NUGj iÚ wbGRB Zvi pH wÕ©i KiGZ
cvGi eGjB AÁÏxq RvZxq ˆjey ev Kgjv Lvevi MÉnY KiGjI iGÚi 1M 1M CH3COOH 1M
NaOH H2SO4 + HF
pH wVKB ^vGK|
C2H3COONa
K. evdvi `ËeY Kx? 1
L. Zvcgvòv KgvGj wewKqÌ vi MwZ KGg, eÅvLÅv KGiv| 2 AB C D
M. DóxcGK wW-nvBGWÈkGb AvKÌv¯¦ eÅwÚi iGÚi pH wÕ©i ^vKvi K. cvwbi AvqwbK àYdj Kx? 1
wKqÌ vGKŒkj ivmvqwbK wewKqÌ vi gvaÅGg ˆ`LvI| 3 L. Zvcgvòv e†w«¬GZ cvwbi AvqwbK àYdj Kw ‰i gvGbi e†w«¬
N. DóxcGKi evdvi `ËeGY mvgvbÅ Þvi RvZxq c`v^Æ (0.001 M NGU wK¯§ cvwbi cÉK‡wZ wbiGcÞ ˆ^GK hvq eÅvLÅv KGiv| 2
NaOH) ˆhvM KiGj iGÚi pH evdvi KxfvGe Zv cÉwZGiva M. A ‰es B-‰i cÉkgb ZvGci gvGbi mvG^ A ‰es D-‰i cÉkgb
KGi aË‚e ivLGe hywÚmn weGkÏlY KGiv| 4 ZvGci gvGbi cv^GÆ KÅi KviY eÅvLÅv KGiv| 3
3. N. A ‰es B `ËeY Avjv`vfvGe mvgvbÅ cwigvY C `ËeGY ˆhvM KiGj
C `ËeGYi pH ‰i cwieZÆb mÁ·GKÆ hywÚmn g¯e¦ Å KGiv| 4
g†`y ‰wmW ZxeË Þvi ZxeË ‰wmW g†`y Þvi 7. 5 ˆgvj PCl5(g) wbGq wbw`ÆÓ¡ Zvcgvòvq I 2 atm PvGc
mvgÅveÕ©vq 3.5 ˆgvj ˆKÑvwib MÅvm Drc®² nq|
HA MOH HX POH
(i) (ii) PCl5(g) HoooI PCl3(g) + Cl2(g) 1
K. ‰b^vjwc Kx? K. pH Kx?
1 L. NaOH I HF ‰i wewKqÌ vq cÉkgb ZvGci gvb a‚eË K gvGbi
L. ZxeË ‰wmW I ZxeË ÞvGii cÉkgb Zvc aË‚eK ˆKb? 2 ˆPGq ˆewk ˆKb? eÅvLÅv KGiv| 2
M. DóxcGK DGÍÏwLZ (ii) bs cvGò POH ‰i cwieGZÆ ZxeË Þvi M. DóxcGKi mvgÅveÕ©vq mvgÅaË‚eK Kc ‰i gvb KZ? 3
ˆhvM KiGj cÉkgb ZvGci gvGb wK aiGbi cwieZbÆ NUGe? N. DóxcGKi mvgÅveÕ©vi Dci Pvc I Nbgvòvi cwieZÆb «¼viv
eÅvLÅv KGiv| 3 jv-kvGZwjGqi bxwZ chÆvGjvPbv KGiv| 4
N. DóxcGK DGÍÏwLZ (i) I (ii) bs cvGò mvgvbÅ cwigvY ‰wmW I 8. K = AeEa/RT mgxKiGYi mvnvGhÅ weævbx AvGnwbqvm wewKqÌ vi
Þvi ˆhvM KiGj pH ‰i wK aiGbi cwieZÆb NUGe weGkÏlY nvGii Dci mivmwi Zvcgvòvi cÉfve eÅvLÅv KGib|
KGiv| 4 K. wewKqÌ vi nvi a‚eË K Kx? 1
4. L. DfgyLx wewKÌqvi ˆÞGò gyÚkwÚi cwieZÆb kƒbÅ nq ˆKb? 2
EX=430 kJ M. mgxKiYwU mgvavb KGi ˆjLwPGòi mvnvGhÅ KxfvGe mwKÌqb
kwÚ wbYÆq KiGe? 3
EB=339 kJ N. ZvGcvrcv`x I Zvcnvix wewKÌqvi ˆÞGò DÚ mgvavbK‡Z
EA=270kJ mgxKiY DGÍÏL KGiv ‰es cÉvµ¦ ˆiLv Hi…c nIqvi KviY eYÆbv
KGiv| 4
gGWj ˆUÕ¡ 9
mgq: 25 wgwbU gGWj 5 KgÆgyLx imvqb gvb-25
m†Rbkxj eüwbeÆvPwb cÉk²
1. ˆKvb wfUvwgb cvwbGZ `ËeYxq? 10. wmiKv nGjv B ‰i % `ËeY 20. AwaKvsk AYyRxGei esk weÕ¦vGii AbyK„j
K wfUvwgb A K 2 @ 4% L 6 @ 10% pH cwimi nGjv
L wfUvwgb D
M wfUvwgb B KgGµÏÝ M 16 @ 20% N 20 @ 25% K 34 L 4.5 5.5
N wfUvwgb K
2. gÅvGKÌv LwbR ˆKvbwU? 11. Lv`Å`ËeÅ bÓ¡ nIqvi KviY M 78 N 6.5 7.5
i. AYyRxGei AvKÌgY 21. Lv`Å wbivcîvi mvG^ mÁ·wKÆZ
ii. ivmvqwbK wKÌqv i. chÆvµ¦ mieivn
K Zn L Cu iii. ‰bRvBGgi cfÉ ve ii. KÌq ÞgZv
M Mg N Fe wbGPi ˆKvbwU mwVK? iii. LvG`Åi ŠewPòÅ
ˆKvbwU mwVK?
3. DîvGc ˆKvb wfUvwgb bÓ¡ nGq hvq? A K i I ii L i I iii
K wfUvwgb-‰ L wfUvwgb-we M ii I iii N i, ii I iii K i I ii L i I iii
M wfUvwgb-wm N wfUvwgb-wW 12. ˆhme LvevGi ‰wmW AvGQ ZvG`i wiUwUÆs M ii I iii N i, ii I iii
4. ˆKvgj cvbxq, mvjv` ˆWÈwms, ˆÕ•PAvc
Zvcgvòv DóxcKwU co ‰es 22 I 23 bs ckÉ ²àGjvi
msiÞGY Kx aiGbi Lv`Å msiÞK eÅen†Z
K 82C L 105C Dîi `vI:
nq?
M 115C N 121C RvZxq AvPvi cwÉ ZGhvwMZvi RbÅ ˆKvGbv evQ
K ‰w´ŸAwÝGW´Ÿ 13. ˆÕ¡wijvBGRkb Kivi RbÅ cÉGqvRbxq wePvi bv KGiB iwngv wgwÓ¡ I dwi`v UK AvPvi
L ‰w´ŸgvBGKÌvweqvj
M wKGjwUs ‰GR´Ÿ Zvcgvòv KZ? ŠZwi KGi| ‰ RbÅ Zviv ˆZj, wfGbMvi I wPwb
N AÅvw´ŸevGqvwUK&m
K 101C L 111C eÅenvi KGi| wKQyw`b cGi iwngvi AvPvi cGu P
M 121C N 131C ˆMGjI dwi`vi AvPvi ‰K eQi fvGjv ^vKj|
5. KjGqGWi `ËeGY jeY ˆhvM KiGj 14. ‰K Kvc wKÌg `yGa Kx cwigvY kwÚ ^vGK?
i. KYvàGjvi PvRÆ cÉkwgZ nq K 72 KÅvjwi L 82 KÅvjwi 22. iwngvi AvPvGii cGu P hvIqv ˆiva KiGZ
ii. KYvàGjv AviI `ƒGi mGi hvq
M 92 KÅvjwi N 149 KÅvjwi nGj
iii. KYvàGjv ‰KwòZ nGZ ^vGK 15. wN-‰i Smoke point KZ? i. wPwbi cwigvY evovGZ nGe
wbGPi ˆKvbwU mwVK?
K 350 –375C L 400 –425C ii. AekÅB wfGbMvGii cwigvY evovGZ nGe
A K i I ii L i I iii M 425 –450F N 450 –475F iii. ˆewk mgq Zvc w`GZ nGe|
M ii I iii N i, ii I iii ˆKvbwU mwVK?
16. K‡wòg ˆMvjvc Rj cÕÉ §Z Kivi RbÅ
6. Bw^wjb WvB-AÅvwgb nGjv ŠZixK‡Z wgkÉYGK KZw`b ˆXGK ivLv K i L ii
cGÉ qvRb? M i I ii N i, ii I iii
K AÅvw´Ÿ AwÝGW´Ÿ K 3–4 L 5–6 23. dwi`vi AvPvi fvGjv ^vKvi meGPGq
L wKGjwUs ‰GR´Ÿ M 6 –7 N 7–8 ài‚Z½cƒYÆ KviY ˆKvbwU?
M TBHQ 17. ™Ïvm wKÑbvGi ˆZj I MÉxR `ƒixf„Z KGi K wbÁ² pH gvb
N AÅvw´ŸeÅvKGUwiqv ˆKvbwU?
7. mvBGUvµÏvRGgi pH ‰i gvb KZ? K NH3 L ˆZGji cwigvY
K3 L4 L wfGbMvi M wPwbi cwigvY
M 10 ‰i KvQvKvwQ N cvÉ q 7 M wWUviGR´Ÿ N AvGgi gvb
8. ˆKvbwU AYyRxGei Dci wei…c cfÉ ve m†wÓ¡ N AvBGmvGcÉvcvBj 24. kvj `ya
KGi? 18. ˆmvwWqvg jGiU ˆhŒMwU i. ˆivM cwÉ ZGiva ÞgZv e†w«¬ KGi
K jeY L gwiP i. wWUviGR´Ÿ ii. ‰w´ŸevGqvwUK mg†«¬
M ˆjeyi im N àuo ii. KuvGPi cÓ† ¡Zj wmÚKviK iii. wk÷i Þzav ˆgUvq|
wbGPi ˆKvbwU mwVK?
DóxcKwU wfGbMvi cÕÉ ¦ywZi ‰KwU cÉwKÌqv| ‰wU iii. 16 KveGÆ bi nvBGWÈvKveÆb Ask ^vGK
ˆ^GK 9 I 10 bs cÉGk²i Dîi `vI: wbGPi ˆKvbwU mwVK? K i I ii L ii I iii
A + O2 e¨vKe‡vUqwy iqv CH3CHO + H2O K i I ii L i I iii M i I iii N i, ii I iii
M ii I iii N i, ii I iii 25. AvPvi, mm BZÅvw` msiÞGY wcÉRviGfwUf
CH3CHO + O2 e¨vKe‡vUqwyiqv CH3COOH + H2O 19. myGKÌvR ˆ^GK ™ÏyGKvR Drcv`b ˆKvbwUi wnGmGe eÅen†Z nq ˆKvbwU?
B DcwÕ©wZGZ NGU? K wfGbMvi
9. DóxcGKi wewKÌqvq A ˆhŒM nGœQ K RvBGgR L miweK ‰wmW
K wg^vbj L B^vbj L BbfviGUR M ˆcÉvcvGbvwqK ‰wmW
M wg^vbÅvj N B^vbÅvj
M AÅvwmGUveÅvKUi
N bÕ¡K N ˆebGRvwqK ‰wmW
Dîi 1 M 2 M 3 M 4 L 5 L 6 L 7 N 8 K 9 L 10 L 11 N 12 L 13 L
14 L 15 N 16 K 17 N 18 K 19 L 20 N 21 K 22 K 23 K 24 N 25 K
10 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq: 2 N¥Ÿv 35 wgwbU m†Rbkxj iPbvgƒjK cÉk² gvb-50
1. 5. kxZKvGj evRvGi cÉPzi UGgGUv cvIqv hvq ‰es `vgI Kg
^vGK| wK¯§ kxZ ˆkl nGjB UGgGUvi `vg evoGZ evoGZ `k àGYiI
ˆewk nGq hvq| ‰K eÅwÚ msiÞGYi RbÅ 20 ˆKwR UGgGUv wKGb
Avbj| Aci eÅwÚ Zvi euvk evMvGbi euvkGKvij evwYwRÅKfvGe
K. wMbÉ ˆKwgwÕ¡È Kx? 1 evRviRvZ KiGZ Pvq|
L. wcÉRviGfwUf wnGmGe wPwb I jeGYi f„wgKv ˆjGLv| 2 K. gΟ wfGbMvi Kx? 1
M. Kx Kx c«¬wZGZ 1 bs cvGòi wmGÕ¡gGK 2 bs cvGòi wmGÕ¡Gg L. mvmGcbkb aiGbi Jla Svu wKGq wbGZ nq ˆKb? 2
cwiYZ Kiv hvq eÅvLÅv KGiv| 3 M. DóxcGKi w«¼Zxq eÅwÚ eÅemvwqKfvGe jvfevb nIqvi DGóGkÅ
N. DóxcGKi 1 bs cvò I 2 bs cvGòi KYvmgƒGni AvPiGYi Kx c`GÞc wbGZ cvGi hywÚmn eYÆbv KGiv| 3
wf®²Zv AvGjvPbv KGiv| 4 N. H eÅwÚ UGgGUvGK Pvcxq ˆKŒUvRvZ bvwK eGqwjs IqvUvi
ˆKŒUvRvZKiY c«¬wZ eÅenvi KGi msiÞY KiGe? ˆZvgvi
2. CH3COOH NaOCl DîGii Õ¼cGÞ hywÚ `vI| 4
6. bvRbxb ˆeMg evRvi ˆ^GK wKQy KuvPv Avg wKbGjb|
AB ˆmàGjvGK wZwb cwiÓ•vi KGi ˆKGU ˆivG` ÷wKGq wKQy jeY I
K. wfGbMvi Kx? 1 gmjv ˆhvM KGi myÕ¼v`y AvPvi ŠZwi KiGjb| AZtci ‰KwU ˆKŒUv
L. Lv`Å `ËeÅ msiÞGY Lv`ÅGK evqygyÚ ivLv nq ˆKb? 2 wbGq wfGbMvGi wbgwäZ KGi ivLGjb| cGi wZwb `xNÆw`b chƯ¦ ‰
M. UqGjU wKÑbvi cÉÕy¦wZGZ DóxcK B ‰i f„wgKv AvGjvPbv KGiv| 3 AvPvi ˆLGZ cviGjb|
N. ™Ïvm wKÑbvi cÉÕ¦ywZGZ DóxcK A I B ‰i ˆKvbwU ˆewk DchyÚ K. ‰w´ŸgvBGKÌvweqvj Kx? 1
eGj gGb Ki AvGjvPbv KGiv| 4 L. Lv`Å wbivcîvq imvqGbi `ywU f„wgKv DGÍÏL KGiv| 2
3. wgGmm Rvgvb gvQ ˆKŒUvRvZKiGYi RbÅ Zv ˆWÈwms, weÐwWs, M. wfGbMvi KxfvGe DÚ AvPviGK `xNÆw`b hveZ myÕ¼v`y ˆiGLwQGjb? 3
(eËvBwbs), ÷Ó•KiY I cƒeÆ-i®¬b cÉwKÌqv mÁ·®² KGi ‰KwU mvaviY N. bvRbxb ˆeMg hw` KuvPv AvGgi cwieGZÆ cvKv Avg AvbGZb
ˆmGÞGò wZwb DÚ AvgGK ˆKŒUvRvZKiGYi RbÅ ˆKvb c«¬wZ
wUGbi ˆKŒUvq fwZÆ Kivi gyüGZÆ ‰KwU ˆdvb Kj ˆcGjb| ˆdvb AejÁ¼b KiGZb eÅvLÅv KGiv| 4
KjwU ˆcGq wZwb ˆKŒUvi gyL fvjfvGe e®¬ KGi ˆiGL AwdGm 7. kÅvgjx ivbx Zvi m¯¦vbGK `ya LvIqvGbvi RbÅ wKQy cwigvY
ˆMGjb| evmvq wdGi ‰Gm wZwb ‰K gvGmi RbÅ evBGi PGj ˆMGjb| Mfxi `ya Mig KGi ˆUweGj ivLGjb| wK¯§ AmveavbZvekZ ‰K
‰K gvm ci ‰Gm ˆ`LGjb msiwÞZ gvQ bÓ¡ nGq ˆMGQ| dvwj ˆjey DÚ `yGa cGo ˆMj ‰es wKQyÞGYi gGaÅ Zv RgvU euvaj|
K. ˆKŒUvRvZKiY Kx? 1 K. KjGqW Kx? 1
L. AÅvGgvwbqv ˆKb ™Ïvm wKbÑ vGi eÅen†Z nq? 2 L. KjGqW I mvmGcbkGbi gGaÅ `wy U cv^KÆ Å ˆjGLv| 2
M. mvaviY wUGbi ˆKŒUvq gvQ msiÞY Kivi ˆKvb mxgve«¬Zv M. ˆjeyi im ˆhvM nIqvi mvG^ mvG^ DóxcGK DwÍÏwLZ `ya RgvU
AvGQ wKbv eÅvLÅv KGiv| 3 euvavi KviY eÅvLÅv KGiv| 3
N. wgGmm Rvgvb gvQ msiÞGY wK wK fzj KiGjb hvGZ gvQ bÓ¡ N. DóxcGKi `ya nGZ KxfvGe gvLb cÉÕ§Z Kiv hvq weGkÏlY
KGiv| 4
nGq ˆMj, KviYmn eYÆbv KGiv| 4 8.
4. ŠekvL gvGmi Kvj‹ekvLx SGo evMvGb cÉPzi Avg cGo ˆMGQ| C2H5OH
Zzwg AGbKàGjv KuvPv Avg KzwoGq wbGq ‰Gm w`Gj ˆZvgvi gv mÁ·ÉwZ
miKvi
ˆmàGjv wewf®² cÉwKÌqvKiY KGi msiÞGYi eÅeÕ©v KiGjb, hvGZ DGÍÏwLZ `ywU
ivmvqwbK
mviv eQi eÅenvi Kiv hvq| H2N B^vBj cÅviv AÅvwgGbv c`v^Æ
Avg`vbx
K. Lv`Å `ËeÅ bÓ¡ nIqvi cÉavb wZbwU caÉ vb KviY DGÍÏL KGiv| 1 wbwl«¬
KiGQ|
L. cuPb KvGR mvnvhÅKvix welqàGjv wK wK? ‰àGjv wKfvGe cuPb ˆebGRvGqU wWbÅvPviW
KvGR mvnvhÅ KGi? 2 K. KviGbvev Kx? 1
M. gv Lye mnGR ˆKvb iKg ivmvqwbK eÕ§ eÅenvi bv KGi KxfvGe L. wjcwÕ¡K ‰i cÉavb Dcv`vbàGjv Kx Kx? 2
msiÞGYi RbÅ cÉwKÌqvKiY KiGeb? msGÞGc eÅvLÅv KGiv| 3 M. miKvGii mvÁ·ÉwZK ‰B wm«¬vG¯¦ ˆKvb cÉmvabx mvgMÉxi
N. ivmvqwbK eÕ§ eÅenvi KGi KxfvGe KuvPv AvgàGjvGK Drcv`b eÅvnZ nGZ cvGi? eÅvLÅv KGiv| 3
msiÞGYi RbÅ cÉwKÌqvKiY KiGeb? msiÞY KvGR eÅen†Z N. AvGjvPÅ ivmvqwbK c`v^Æ `ywU ˆKb cÉmvabx mvgMÉxGZ eÅenvi
ˆKwgKÅvjàGjvi KvRmn msiÞY c«¬wZ eYÆbv KGiv| 4 Kiv AvekÅK? hywÚmn weGkÏlY KGiv| 4
gGWj ˆUÕ¡ 1
gGWj ˆUÕ¡: cƒYÆvã cÉÕ§wZ
gGWj 1
mgq 25 wgwbU imvqb cÉ^g cò welq ˆKvW: 1 7 6
eüwbeÆvPwb cÉk²
cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGki² KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGk²i gvb 1|]
1. ˆKvb AvqbxKib wefGei KÌgwU mwVK? wbGPi ˆKvbwU mwVK? 19. ˆKvb DckwÚÕ¦Gi mGeÆvœP BGjKUÇb aviY
K Be > B > N > O K i I ii L i I iii ÞgZv KZ?
L Be > O > N
M N > O > Be > B M ii I iii N i, ii I iii K 2n2 L 2l +1
M 2(l+1) N 2(2l +1)
N N > O > Be > B 10. imvqb cixÞvMvGi eÅen†Z ˆKvb `ËeÅwU 20. AvqZwbK dÑvÝ eÅen†Z nq
dzmdzGmi ÞwZ KGi?
2. ‰KwU AvqwbK ˆhŒGMi AwaKZi mgGhvRx K ˆKGivwmb K cgÉ vY `ËeY ŠZwiGZ
nIqvi mÁ¿ebv L H2SO4
M TNT N Cl2(g) L gƒj `ËeY ŠZwiGZ
i. KÅvUvqGbi AvKvi ˆQvU I AÅvbvqGbi 11. H2SO4 ‰i ˆKvb aGgÆi RbÅ ‰i msÕ·GkÆ M àYMZ weGkÏlY
AvKvi eo nGj
ii. KÅvUvqGbi AvKvi ˆQvU I PvRÆ DœP Z½K cyGo hvq? N `ËeY msiÞGY
K RviY L weRviY 21. Awe÷«¬ Lv`Å jeGYi D mÁ·ƒÚ `ËeGY
nGj M wbi`‚ b N cfÉ veb HCl Mvp Kiv nq
iii. AÅvbvqGbi AvKvi ˆQvU I DœP PvRÆ
^vKGj 12. cj-eywã eÅvGjG´Ö (evGg 0 ˆ^GK WvGb i. we÷«¬ Lv`Å jeY cÉÕ§wZi RbÅ
100) 10 mg fiwewkÓ¡ ivBWvi eÅenvi
wbGPi ˆKvbwU mwVK? KiGj ivBWvi aË‚eK nGjv ii. Cl ‰i Nbgvòv e†w«¬ RbÅ
iii. ‰i AvqwbK àYdj e†w«¬i RbÅ
K i I ii L i I iii K 0.0001g L 0.0002g wbGPi ˆKvbwU mwVK?
M ii I iii N i, ii I iii
M 0.1g N 0.02g K i I ii L i I iii
3. wbGPi ˆRvoàwji ˆKvb `ywU ˆgŒj chÆvq 13. ‰KwU ˆmvWvAÅvGki `ËeGYi Nbgvòv
mviYxi ‰KB MÉ‚Gc AeÕ©vb KGi| 6.2 10–7 molL–1 nGj ‰B `ËeGYi pH KZ? M ii I iii N i, ii I iii
22. ˆevi Zî½ cGÉ hvRÅ ˆKvbwUi RbÅ (cZÉ xKàGjv
K Na -Mg L Ca La K 2.1 L 6.8 cPÉ wjZ A^Æenb KGi bv)
M 7.8 N 8.7
M Mg-Be N Mg - Ga 14. Zvcgvòv e†w«¬ KiGj wewKÌqvi nvi e†w«¬ cvq K 1A+ L 3B+
4. NH3, NH4+, NH2– ‰i e®¬b ˆKvGYi mwVK
KviY M 4C3+ N 4C2+
KÌg nGjv 23. wbGPi ˆKvqv´Ÿvg msLÅvi ˆKvb ˆmBwU mÁ¿e
K NH3 > NH4+ > NH2 i. wewKÌqK mgƒGni msNlÆ msLÅv evGo bq?
L NH3 > NH2– > NH4+ ii. wewKÌqvi mwKÌqY kwÚ KGg
M NH2– > NH4+ > NH3 iii. wewKÌqK mgƒGni MwZkwÚ evGo K 2, 2, + 1, + 1
N NH4+ > NH3 > NH2 2
wbGPi ˆKvbwU mwVK?
5. wbGÁ²i ˆKvb ˆhŒMwU cvwbGZ A`eË Yxq? K i I ii L i I iii L 3, 0 , 0, + 1
2
K NaCl L RbCl
M CsCl N LiCl M ii I iii N i, ii I iii M 3, 2, 0, 1
15. wbGPi ˆKvbwU evdvi `ËeY bq? 2
6. wbGÁ²i ˆhŒMmgƒGni gGaÅ ˆKvbwUi Mjbvâ
meGPGq ˆewk? K CH3COH + CH3COONa N 4, 3, 0, 1
L H2CO3+ NaHCO3 2
M HClO2 + CH3COOH wbGPi DóxcKwU AvGjvGK 24 I 25 bs cGÉ k²i
K H2S L H2O N NaH2PO4 + Na2HPO4 Dîi `vI:
M H2Se N H2Te
7. wbGÁi² ˆhŒMmgƒGni gGaÅ (*) ZviKvwPwn×Z 16. KvGPi h¯¨cvwZ KÑÅvwÁ·s Kivi mgq ˆKvbwU
H2S
ˆKvb KveGÆ b sp3 msKivqb we`Ågvb? eÅenvi Kiv DwPZ?
K CH3* CH = CH2
L CH3*CHO K KvMR 48A2+ 30B2+
M CH3*COOH L Õ·é cÅvW
N (CH3)2* CHOH M MÉxR AÁÏxq AÁÏxq
N AÅvmGeÕ¡m bxU cvò-1 cvò-2
DóxcGKi AvGjvGK 8 I 9 cÉGk²i Dîi `vI: 17. O2 MVb ZvGci gvb KZ?
BbfviGUR
i. wPwb + cvwb A + dÌzGÙvR K0 24. B2+ Avqb mbvÚKiGY eÅen†Z nq
L 110.5
RRvviBYGgRCBRv+iYCOD2 M 273
ii. A N 498 K K4[Fe(CN)6]
iii. B L K2H2Sb2O7
8. B ˆhŒMwUi bvg Kx? 18. cfÉ veK ˆKvb wewKÌqvq M BaCl2
K B^vbj i. wewKÌqK AYyi MwZkwÚ e†w«¬ KGi N CaC2O4
L wfGbMvi ii. mwKÌqY kwÚ nËvm KGi
iii. wewKÌqK AYyGZ AwaGkvlZ nq 25. DóxcGKi gGZ
wbGPi ˆKvbwU mwVK? i. 1bs cvGò AatGÞc coGe
M ™ÏyGKvR ii. 2bs cvGò AatGÞc coGe
N B^vbÅvj
9. D -‰i `ËeY eÅen†Z nq iii. Þvixq gvaÅGg Dfq cvGò AatGÞc
K i I ii coGe
i. msiÞK wnmvGe L i I iii wbGPi ˆKvbwU mwVK?
ii. evdvi `ËeY ŠZwiGZ M ii I iii K i I ii L i I iii
iii. UqGjU wKÑbvi wnmvGe N i, ii I iii M ii I iii N i, ii I iii
Dîi 1 N 2 K 3 M 4 N 5 N 6 L 7 N 8 K 9 K 10 L 11 M 12 L 13 M
14 N 15 M 16 L 17 N 18 M 19 N 20 K 21 N 22 M 23 K 24 K 25 N
1
2 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq co ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. k = Ae–RETa 5. `ywU ˆgŒGji ewntÕ© ÕG¦ ii BGjKUÇb webÅvm wbÁi² …c:
K. AmIqvGΣi jNyKiY mƒòwU ˆjGLv| 1 A .......... 3s23p1
B ........ 3s23p5
L. H – F g†`y ‰wmW eÅvLÅv KGiv| 2 K. wjMÅv´£ Kx? 1
M. T evoGj KxfvGe k evGo? eÅvLÅv KGiv| 3 L. avZe cigvYy AGcÞv Zvi AvqGbi eÅvmvaÆ ˆQvU nq ˆKb? 2
N. DóxcGKi ZG^Åi AvGjvGK Ea wbYÆGqi MvwYwZK c«¬wZ M. A ‰i Õ©vqx AÝvBGWi cÉK‡wZ mgxKiYmn eÅvLÅv KGiv| 3
weGkÏlY KGiv| 4 N. AbyœP Zvcgvòvq AB3 ‰i AvYweK w«¼àY nGq hvq-DwÚwUi
2. 1. AgCl(s) HoooI Ag+(aq) + Cl–(aq); Ksp (AgCl) = [Ag+] [Cl–] h^v^ÆZv weGkÏlY KGiv| 4
2. CaF2(s) HooooooI Ca2+(aq) + 2F–(aq) 6. wgGmm AÅvwb ˆeMg AvGgi AvPvi wbw`ÆÓ¡ Nbgvòvi Lv`Å jeY
3. Bi2S3(s) HooooooI 2Bi3+(aq) + 3S2–(aq) I wPwbi `ËeY ‰es cvãvm gvQ msiÞGY H ‰KB Lv`Å msiÞK
eÅenvi KGib| wKQyw`b ci ˆ`Lv hvq ŠZwiKZ‡ AvPvi h^vh^
K. Zwor ˆPŒÁ¼Kxq eYÆvwj Kx? 1
msiwÞZ ^vKGjI gvQàGjv cuGP wekÉx `yMÆ®¬ m†wÓ¡ nGqGQ|
L. ˆKÌvgvGUvMÉvwd ejGZ Kx ˆevS? 2
K. Mii‚ `ya njy` nq KLb? 1
M. 1 bs AbymvGi 2, 3 bs ‰i RbÅ Ksp KZ nGe? 3
L. KMS ejGZ Kx ˆevS? 2
N. 1 bs mvgÅveÕ©vq Cl– Avqb ˆhvGM AgCl-‰i `ËeYxqZv cwiewZÆZ
M. DóxcGK eÅen†Z Lv`Å msiÞK«¼Gqi wKÌqvGKŒkj eÅvLÅv KGiv|3
nGe Kx? weGkÏlY KGiv| 4 N. gvQàGjv cPGbi `ywU cÉwKÌqv wewKÌqvmn weGkÏlY KGiv| 4
3. cixÞvMvGi AvjgMxi I mygb àYMZ weGkÏlY KvGRi RbÅ 7. 18.5% N2O4 ‰i weGqvRGb NO2 Drc®² nq| hLb Zvcgvòv
‰KwU bgybv eÕ§i h^vKÌGg 1.0 g I 100 mg wbGq 20 mL I 2 mL 298K ‰es Pvc 1atm|
`ËeY ŠZwi KGi cixÞv KvR ÷i‚ KGi| K. Þvixq evdvi Kx? 1
K. ˆgvjviwU Kx? 1 L. e®¬b kwÚ I wewKÌqv Zvc Kx? 2
L. ˆgRvwis wmwj´£vGi Mvp HCl ‰wmW wbfzÆjfvGe cwigvGci RbÅ M. DóxcGKi wewKÌqv AbymvGi Kp ‰i ivwkgvjv wbYqÆ KGiv| 3
N. Zvcgvòv ‰KB ˆiGL, 0.5 atm PvGc DóxcGKi wewKqÌ vi
KiYxq Kx? 2
weGqvRb gvòv wbYÆq Kiv Kx mÁ¿e? hywÚmn weGkÏlY KGiv| 4
M. DóxcK AbymvGi mygGbi eÅen†Z weGkÏlY c«¬wZi myweav I
8.
Amwy eavmgƒn DGÍÏL KGiv| 3
N
N. DóxcK AbymvGi AvjgMxi I mygGbi eÅen†Z weGkÏlY c«¬wZi AvqwbKiY kwÚ 2000 R
1500
ZzjbvgƒjK AvGjvPbv KGiv| 4 1000 N O
500 C
4. Ba B
Li
+X 3 4 5 6 7 8 9 10
Y
cvigvYweK msLÅv
Z
K. AvswkK cvZb Kx? 1
W
L. 25C ˆZ Ag2CrO4 ‰i `ËveÅZv 8 105M. `ËveÅZv àYdj
nvBGWvÈ GRGbi ˆevi KÞc^
K. AiweUvj Kx? 1 ˆei KGiv| 2
L. 3d mÁ¿e nGjI 3f mÁ¿e bq ˆKb? 2 M. DóxcGK ewYÆZ cigvYy àwji AvqbxKiY kwÚi cv^ÆGKÅi
M. W KÞcG^ KqwU cƒYÆÕ·±`b nGe? wnGme KGi ˆ`LvI| 3 ˆcQGb KviY AvGjvPbv KGiv| 3
N. DóxcGKi X KÞcG^i eÅvmvaÆ AGcÞv Z KÞcG^i eÅvmvaÆ 9 N. cvigvYweK msLÅvi mvG^ BGjKUÇb AvmwÚi MÉvd AsKb KGiv
àY DwÚwUi h^v^ÆZv cgÉ vY KGiv| 4 ‰es Zv eÅvLÅv KGiv| 4
gGWj ˆUÕ¡ 3
gGWj 2
mgq 25 wgwbU imvqb cÉ^g cò welq ˆKvW: 1 7 6
eüwbeÆvPwb cÉk²
cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGk²i KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGk²i gvb 1|]
1. wbGPi ˆKvbwU cÉvBgvix Õ¡Åv´£vWÆ c`v^Æ? wbGPi wewKÌqvi AvGjvGK ckÉ ² `ywUi Dîi `vI: 17. `ËeGYi pH 2 ˆ^GK 3 nGj `ËeGY H+ AvqGbi
K KMnO4 L K2Cr2O7 A2(g) + 3B2 (g) HooooI 2AB3 (g); H = + Ve Nbgvòv
M H2C2O4 N Na2C2O4 8. DóxcGKi wewKÌqvwUGZ cfÉ veK ˆhvM KiGj K `k àb e†w«¬ ˆcj
wbGPi mviwY jÞ Ki ‰es cÉk²àGjvi Dîi `vI : wK NUGe? L `k àb nËvm ˆcj
MÉ‚c 1 14 16 17 K Kp e†w«¬ cvGe M Qq àb e†w«¬ ˆcj
chÆvµ¦ L Kc e†w«¬ cvGe
M wewKÌqvi nvi e†w«¬ cvGe N ‰K àY nËvm ˆcj
n =2 E 18. wfUvwgb we-1 I wfUvwgb we-2 cvIqv hvq
n=3 AD Q N mvgÅveÕ©v Wvb w`GK mGi hvGe ˆKvbwUGZ?
9. DóxcGK Kc wewKÌqvwUGZ ‰i ‰KK
2. DóxcGKi DE2- ˆhŒMwU? K AvbviGm
i. cwjgvi MVb KGi ˆKvbwU L euvkGKviGj
ii. AÁÏagÆx K mol1L2 L ml2L2 M ˆcqvivq
iii. wbÁ² MjbvsK wewkÓ¡ M mol2L2 N mol2L2 N AvGcGj
wbGPi ˆKvbwU mwVK? 10. 250mL 0.1M `ËeGY wK cwigvY Na2CO3 19. wbGPi ˆKvb ˆhŒMwUi mgGhvRx ŠewkÓ¡Å
K i I ii L i I iii ^vGK| meGPGq Kg
M ii I iii N i, ii I iii K 2.65g L 5.3g K A1F3
L AlCl3
3. DóxcGKi AQ ˆhŒM mÁ·GKÆ ˆKvbwU mwVK M 10.6g N 106g M AlBI3
bq? 11. K4[Fe(CN)6] «¼viv wbGPi ˆKvb Avqb N All3
K ˆhŒMwU mgGhvRx cÉK‡wZi nq mbvÚKiY Kiv hvq? 20. La (57) ‰i ewntÕ¦ ˆkGji BGjKUÇb
L MwjZ AeÕ©vq we`Åy r cwienb KGi i. Fe3+ webÅvm?
ii. Cu2+
M DœP MjbvsK I Õ¹zUbvsK wewkÓ¡ iii. Zn2+ K 4f16s2
N ˆcvjvi `ËveGK `ËeYxq wbGPi ˆKvbwU mwVK? L 4126s1
4. wbGPi ˆKvbwU 4-wWwRU eÅvGjG´Öi gvc? K i I ii L i I iii M 5d16s2
N 6s26p1
K 1.024 L 10.24 M ii I iii N i, ii I iii 21. gvsm ˆKŒUvRvZKiGY eÅen†Z `ËeY nGjv
M 22.1202 N 2212.02 12. ŠRe ˆhŒGM KvebÆ I nvBGWÈvGRb mbvÚKiGY i. 2% Lv`Å jeY
5. ˆh ˆKvb DckwÚÕ¦Gii BGjKUÇb aviY ÞgZv eÅen†Z nq? ii. 10% Lv`Å jeY
nj K NMR iii. 2% wPwbi `ËeY
L MRI
K 2n2 wbGPi ˆKvbwU mwVK?
L (2l +1)
M 2 (2l + 1) M IR K i I ii L i I iii
N 2 (l +1) N UV
M ii I iii N i, ii I iii
6. BGjKUÇb Amxg nGZ 3q ˆkGj Õ©vbv¯¦wiZ 13. ˆKvbwU UÅvjKg cvDWvGii caÉ vb Dcv`vb?
22. Ag(NH3)2Cl ˆhŒMwUGK KZ aiGbi e®¬b
K 3MgO.4SiO2.H2O we`Ågvb?
nGj Drc®² nq L CaCO3.2MgCO3 K1 L2
K jvBgÅvb wmwiR M C4H10O4 M3 N4
L evgvi wmwiR
M cÅvGøb wmwiR N Na2B4O7.10H2O 23. 1mol C2H5OH ‰i cYƒ Æ `nGb KZ ˆgvj
N eËvGKU wmwiR
7. cwiGek ev®¬e c«¬wZ nGjv? 14. 0.05M Ca (OH)2 ‰i pH KZ? CO2 Drc®² nq?
K 13 L 12.70 K 1mol L 2mol
M2 N 1.3 M 3mol N 40ml
i. gÅvGKÌv c«¬wZ 15. wbGPi ˆKvbwU K‡wòg Lv`Å msiÞK? 24. LvG`Åi ˆKvb Dcv`vbwU cPGbi RbÅ `vqx?
ii. gvBGKÌv c«¬wZ
iii. ˆmwg gvBGKÌv c«¬wZ K NaCl K jeY L wfUvwgb
wbGPi ˆKvbwU mwVK?
L C12H22O11 M cvwb N wjwcW
M HCHO ‰i 40% Rjxq `ËeY 25. NH4+ ‰i msKiY I e®¬b ˆKvGYi gvb
KZ?
N C6H5OH
K i I ii K sp3 I 109.5
L i I iii 16. UqGjU wKÑbvGii gƒj Dcv`vb ˆKvbwU?
M ii I iii
N i, ii I iii K Na2CO3 L sp3 I 107.5
L NaOH
M sp3 I 107
M (NH4)2 CO3
N NH4OH N sp3 I 104.5
Dîi 1 L 2 K 3 K 4 M 5 M 6 M 7 M 8 M 9 L 10 K 11 N 12 K 13 K
14 K 15 M 16 L 17 L 18 L 19 K 20 M 21 L 22 M 23 L 24 N 25 K
3
4 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq co ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. 10 mL 0.25 M AB `ËeGY 1mL 0.1 M XY `ËeY ˆhvM Kiv K. cvZb Kx? 1
nGjv| 25C Zvcgvòvq AY `ËeGYi `ËveÅZvi àYdj 1.7 10–10| L. mgAvqb cÉfve ejGZ Kx eyS? 2
K. AvBGmvGUvb Kx? 1 M. C ˆ^GK B ˆZ ˆbGg Avmv 1 mol ˆdvUGbi kwÚi gvb wnGme
L. ˆbmjvi `ËeGY Þvi eÅenvi Kiv nq ˆKb? 2 KGiv| 3
M. DóxcGKi wgkÉGYi Y ‰i Nbgvòv mol/L ‰ wnGme KGiv| 3 N. A nGZ B ˆZ ˆbGg Avmv BGjKUÇGbi weKxYÆ kwÚ `†kÅgvb nGe
N. DóxcGKi wgkÉGY ˆKvGbv AatGÞc coGe wKbv MvwYwZK fvGe
wK bv weGkÏlY KGiv| 4
weGkÏlY KGiv| 4
2. 2NH4Cl + CaO 2NH3 + CaCl2 + H2O 6. (i) AB2 + 3O2 AO2 + 2BO2 ; H1 = 1109.17
NH3 caÉ vb
2NH4Cl + Ca(OH)2 2NH3 + CaCl2 + 2H2O Drcv` kJmol–1
K. ÞqKvix c`vG^Æi msæv `vI| 1 (ii) A + O2 CO2 ; H2 = – 394.55 kJmol–1
(iii) B + O2 SO2 ; H3 = 297.39 kJmol–1
L. KvGPi h¯¨cvwZ cwiÓ•vGii ˆÞGò mZKÆZvàGjv ˆjGLv| 2 K. Kp Kx? 1
M. DóxcGKi cÉavb Drcv` cÉÕ¦ywZGZ Kx Kx jÅveGiUwi mvgMÉx I L. wbiGcÞ `eË GYi pH 7 nq ˆKb? eÅvLÅv KGiv| 2
wbivcîv mvgMÉx cÉGqvRb nGe? 3 M. "A ‰i `nb Zvc AO2 ‰i msNUb ZvGci mgvb”eÅvLÅv
KGiv| 3
N. wewKqÌ v«¼Gqi cÉavb Drcv` ˆPvGL jvMGj Kx KiYxq? hywÚmn
weGkÏlY KGiv| 4 N. “DóxcGKi ZG^Åi AvGjvGK AB2 ‰i MVb Zvc wbYÆq Kiv
3. wbGP chÆvq mviwYi ‰KwU Lw´£Z Ask ˆ`Iqv nGjv : mÁ¿e” DwÚwUi h^v^ÆZv cgÉ vY KGiv| 4
He 7.
X
Y H2O
K. ivmvqwbK e®¬b Kx? 1 B.Pt 100
(C) 80
60
L. cvwbGZ WvBGcvGji DcwÕ©wZi KviY eÅvLÅv KGiv| 2
40 BiH3
M. DóxcGKi ˆgŒj«¼q wbGRG`i gGaÅ ˆhŒM MVGb ˆKvb aiGbi H2Te
20 HF
SbH3
0
e®¬b MVb KGi? wPòmn eÅvLÅv KGiv| 3 20 H2S H2Se
NH3 Hl
N. DóxcGKi ˆgŒj«¼Gqi nvBWÈvBGWi ˆfŒZ aGgÆi cv^ÆGKÅi HCl ASH3
40
PH3 HBr
60
ˆhŒwÚK KviY weGkÏlY KGiv| 4 80
100
4. K. mGeÆvœP KZàwj AÅvGgvwbqv AYy ˆKvevΟ AvqGbi mvG^ hyÚ nGZ
1 g KOH cvGi? 1
L. BeCl2 ‰i mÁ¿veÅ RÅvwgwZK MVb wK nIqv DwPZ? 2
2.5 g H-COOH M. DóxcGKi ˆjLwPGòi cÉ^g I Z‡Zxq jvBGbi cÉ^g ˆhŒMmgƒGni
100 mL ppKKaa==33.2.88 e®¬b ˆKvY ‰G`i msKiGYi mvG^ AmãwZcƒYÆ ˆKb? 3
K. wewKqÌ vi nvi Kx? 1 N. Õ¹zUbvsGKi cwieZÆb DóxcGKi wPGòi AvGjvK weGkÏlY KGiv| 4
L. H2(g) + I2 (g) HooooI 2HI(g) ; wewKÌqvq PvGci cÉfve AvGQ Kx? 8. ‰KRb imvqbwe` evRvi ˆ^GK `ya ‰es wmiKv wKGb
eÅvLÅv KGiv| 2 AvbGjb| M†nKgÆx fyGj `yGa wmiKv wgwkGq w`Gjb| ‰GZ `ya bÓ¡
M. DóxcGK ÷ay AÁÏ ^vKGj Zvi pH KZ nGe? wnGme KGiv| 3 nGq ˆMGQ ˆfGe M†nKgÆx Zv ˆdGj w`GZ ˆMGj imvqbwe` ˆdjGZ
N. DóxcGKi wgkÉGY mvgvbÅ ‰wmW/Þvi ˆhvGM pH gvGb ˆKvGbv wbGla KGi ejGjb wP¯¦vi KviY ˆbB|
cwieZÆb nGe wKbv pH wbYÆqcƒeÆK weGklÏ Y KGiv| 4 K. `yGa cvwbi kZKiv cwigvY KZ? 1
5. nvBGWÈvGRGbi ‰KwU BGjKUÇb ˆevi KÞcG^i 5g (A) L. ˆnqvi ˆRGj ‰Gmbwkqvj AGqj eÅenvi Kiv nq ˆKb? 2
kwÚÕ¦i nGZ 2q kwÚÕ¦Gi (B) ‰es AbÅ ‰KwU BGjKUÇb 3q kwÚÕ¦i M. M†nKgÆx `ya bÓ¡ nGq ˆMGQ fveGjb ˆKb? eÅvLÅv Ki| 3
(C) nGZ 2q kwÚÕ¦Gi (B) ˆbGg Avmj| [RH = 109678 cm1]| N. D«¿„Z mgmÅvwUi jvfRbK mgvavb weGkÏlY Ki| 4
gGWj ˆUÕ¡ 5
gGWj 3
mgq 25 wgwbU imvqb cÉ^g cò welq ˆKvW: 1 7 6
eüwbevÆ Pwb cÉk²
cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGki² KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGk²i gvb 1|]
1. eyÅGiU cwiÓ•vi KiGZ wbGPi ˆKvbwU eÅen†Z wbGPi DóxcKwU cGov ‰es 10 I 11 bs cGÉ k²i 18.
nq? Dîi `vI: weKviK AatGÞGci eYÆ log K Xvj = 70
K mvevb Avqb
L wWUviGR´Ÿ K4[Fe(CN)6] jvjGP ev`vgx
X4
M ˆKÌvwgK ‰wmW Y2+ K4[Fe(CN)6] mv`v AatGÞc 1
T
N wfGbMvi 10. X4+ AvqbwU nj
2. ivmvqwbK c`v^ÆGK ÷Kbv ivLGZ eÅen†Z K Cu2+ DóxcGKi ˆjL ˆ^GK wbMÆZ mwKÌqb kwÚ nGjv
L Ni2+
nq M Ca2+ K 13.4029J
N Zn2+
K ˆWwmGKUi L 1340.29kJ
11. Y2+ AvqbwUi ˆÞGò cGÉ hvRÅ
L eybGmb evbÆvi M 1340.29J
i. cÅvivGPŒÁ¼Kxq agÆ cÉ`kÆb KGi
M wdDg üW ii. d eÐGKi ˆgŒj N 1320.6J
iii. PZzÕ¦jKxq ˆhŒM MVb KGi
N pH wgUvi wbGPi ˆKvbwU mwVK? 19. KClO3 nGZ O2 wbMÆgGb ˆKvbwU abvñK
K i I ii cfÉ veK?
3. ˆKvb MÅvmwU `vnÅ bq? L i I iii
M ii I iii K MnO2
K CH4 N i, ii I iii L Pt
12. Al2(SO4)3 ‰i `ËveÅZv hw` "S" nq ZGe
L O2 Al2(SO4)3 ‰i AvqwYK àYdGji gvb nGe? M Al2O3
M H2 N V2O5
K S5
N C3H8 L 6S5 20. gvbyGli iGÚi pH KZ?
4. cj-eywã eÅvGjG´Öi 5 gm ivBWvi eÅenvi K 6.5 L 7.0
KGi eÅvGj´ÖwUi myßZg cwigvGci ÞgZv M 7.4 N 8.0
wbGPi MÅvmxq DfgyLx wewKÌqvwU jÞ Ki ‰es 21
KZ chƯ¦? I 22 bs cÉGk²i Dîi `vI:
K 0.1g L 0.005g
M 0.0001g N 0.5g A2(g) + B2 (g) HoooooooI 2AB(g); H = + Ve
5. 2q KÞcG^ BGjKUÇGbi ˆKŒwYK fi ˆeM 21. wewKÌqvwUGZ Pvc evoGj wK nGe?
KZ? K Drcv`Gbi Nbgvòv evoGe
K h L 2h M 27S5 L Kp ‰i gvb evoGe
M wewKÌqGKi Nbgvòv evoGe
N 108S5
M 7h N 22h 13. KÞ Zvcgvòvq ˆKvbwU Zij? N PvGci ˆKvb cÉfve ˆbB
22 7
K P4 L Br2 22. wewKÌqvwUGZ Zvcgvòv evoGj wK nGe?
6. Sc ‰i meÆGkl BGjKUÇb ˆh AiweUvGj
M I2 N 02 i. Kp ‰i gvb evoGe
cGÉ ek KGi Zvi RbÅ wbGPi ˆKvb ‘n’ ‰i ii. mvgÅveÕ©vi cwieZÆb nGe bv
14. nvBGWÈvGRb e®¬Gbi KviGY
gvbwU?
i. H2O iii. mvgÅveÕ©v Wvbw`GK mGi hvGe
K 3.0 wbGPi ˆKvbwU mwVK?
ii. H2S MÅvmxq
L 4,0 iii. B^vbj cvwbGZ `ËeYxq K i I ii L i I iii
M 3.2 wbGPi ˆKvbwU mwVK?
N 4.1 K i I ii L i I iii M ii I iii N i, ii I iii
7. hw` m ‰i gvb, -3 nq ZGe 1 ‰i gvb KZ? M ii I iii N i, ii I iii 23. wbGPi ˆKvbwU gGqøvivBRvi iG… c wjcwÕ¡K
K0 15. ˆKvbwUGZ `ywU mgGhvRx e®¬Gbi gaÅKvi I AvdUvi ˆkf ˆjvkGb eÅen†Z nq?
L1 ˆKvY ZzjbvgƒjK eo? K w™Ïmvij
M2 L wW-bÅvPvWÆ AÅvjGKvnj
N3 K SO2 L H2O M ˆcÉvcvBwjb AÅvjGKvnj
8. wbGPi ˆKvb iwkÄi kwÚ meGPGq Kg? M NH3 N CH4 N Bw^wjb ™ÏvBKj
K Microwave 16. [Co(NH3)6]3+ AvqbwU 24. wfGbMvGi ^vGK
L IR i. AÓ¡ZjKxq
M UV ii. sp3d2 msKivqGbi gvaÅGg MwVZ nq K 6-10% CH3COOH
N X-ray iii. cÅvivPzÁ¼Kxq L 6-10% C2H5OH
wbGPi ˆKvbwU mwVK? M 6-10% CH3COCH3
9. Hgl2 ‰i Rjxq `ËeGY KI `ËeY ˆhvM KiGj N 6-10% CH2CHO
`ËveÅZvi Kxic… cwieZÆb nq? K i I ii L i I iii
25. Lv`Å msiÞGYi eÅen†Z AÅvw´ŸAwÝGW´Ÿ ˆKvbwU?
K evGo M ii I iii N i, ii I iii
K EDTA
L KGg
17. 0.1 M HNO3 ‰i pH KZ? L C6H12O6
M AcwieZÆbxq M CH3COOH
K1 L2 N BHT
N Amxg
M3 N4
Dîi 1 M 2 K 3 L 4 M 5 K 6 M 7 N 8 K 9 L 10 K 11 M 12 N 13 L
14 N 15 K 16 K 17 K 18 M 19 K 20 M 21 N 22 L 23 K 24 K 25 N
5
6 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq co ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. A, B ‰es C ‰i cvigvYweK msLÅv h^vKÌGg 11, 17 ‰es 29| 6. wbGPi cvò 2wU chÆGeÞY Ki
K. j´£b ej Kx? 1
L. Cl ‰i BGjKUÇb AvmwÚ F AGcÞv ˆewk ˆKb? 2
M. BGjKUÇb webÅvmmn AB AYyi MVb eÅvLÅv KGiv| 3 0.05 M
N. AB ‰es CB ‰i gGaÅ ˆKvbwUi Mjbvâ Zzwg ˆewk eGj gGb H – COOH 0.1 M
Ka = 1.8 10–5 H – COONa
KGiv? ˆZvgvi DîGii mvGcGÞ weGkÏlY KGiv| 4
2. C(s) + O2 CO(g); H = x kJ mol–1 1bs cvò 2bs cvò
CO(g) + O2(g) CO2(g); H = – y kJ mol–1 K. jv-kvGZwjqvGii bxwZ Kx? 1
C(s) + O2(g) CO2(g); H = – z kJ mol–1
L. 2SO2(g) + O2(g) HooooooI 2SO3(g) wewKqÌ vwUGZ PvGci cÉfve
K. cÉfveK mnvqK Kx?
1 eÅvLÅv KGiv| 2
L. evdvi wKÌqv ejGZ Kx eySvq? 2 M. 1bs cvGòi `ËeGYi pH gvb MYbv KGiv| 3
M. DóxcGKi z = 393 kJ nGj 1kg KveÆb `nGb KZ MÉvg AwÝGRb N. 4.35 pH gvGbi ‰KwU evdvi `ËeY ŠZwi KiGZ 1 bs cvGòi 70 mL
jvMGe? wnGme KGi ˆ`LvI| 3 `ËeGYi mvG^ 2bs cvGòi KZ mL `ËeYGK ˆhvM Kivi cÉGqvRb
N. DóxcGKi x + y = z DchyÚ ZG^Åi AvGjvGK ‰wU cÉgvY KGiv|4 coGe? 4
3. Lv`Å msiÞGY aƒgvqgvb, wcKwjs I wewKiY ˆek RbwcÉq| 7.
K. ‰wWwUf Kx? 1 jÅveGiUwiGZ eÅen†Z wKQy cwiÓ•viK
ˆKÑvGivdgÆ (CHCl3)
L. AwaKvsk wcÉRviGfwUfB AÁÏagÆx ˆKb? 2
KveÆb ˆUUÇvGKÑvivBW (CCl4)
M. Avg, gvQ I AvGcj msiÞGY DóxcGKi ˆKvb c«¬wZ
ˆebwRb (C6H6)
eÅenviGhvMÅ ‰es ˆKb? 3 K. ˆcvGmÆwjb ˆjGej Kx? 1
N. “DchyÚÆ c«¬wZmgƒn mywbw`ÆÓ¡” weGkÏlY Ki| 4 L. wcGcU eÅenvGii myweav Kx Kx? 2
4. Z(19) = 1s22s23p63s23p63d04s1 M. DóxcGKi ivmvqwbK c`v^Æ eÅenvGii ˆKvGbv ÞwZKi w`K AvGQ wK?3
Z(24) = 1s22s22p63s23p63d54s1 1 N. DóxcGKi ivmvqwbK c`v^ÆàGjvi msiÞY ‰es cwiGeGk
K. nvBGRbevGMÆi AwbøqZv bxwZ Kx? AegyÚ Kivi ˆKŒkj weGkÏlY KGiv| 4
L. cigvYyi ˆKvqv´Ÿvg gGWj gGZ cigvYyi 3q kwÚÕ¦Gi mÁ¿veÅ 8. wgkÉGYi Dcv`vb c†^KxKiGYi mÁ·wKÆZ ‰KwU cÉwKÌqvi wPò
ˆgvU AiweUvj msLÅv MYbv KGiv| 2 jÞ KGiv|
M. DóxcGKi 1g ˆgŒjwUi cigvYyi meÆGkl BGjKUÇbwU 3d
AiweUvGj cÉGek bv KGi ˆKvb wbqg gGZ 4s AiweUvGj cÉGek
KGiGQ Zv mswkÏÓ¡ kwÚKÌg wbqg AbymvGi eÅvLÅv KGiv| 3
N. DóxcGKi 2q ˆgŒjwUi ˆejvq BGjKUÇb webÅvGmi ˆKvb ˆKvb
wbqg Abym†Z nGqGQ ‰es ˆKvb wbqGgi eÅwZKÌg NGUGQ Zvi
eÅvLÅvmn ‰ BGjKUÇb webÅvGmi h^v^ZÆ v weGkÏlY KGiv| 4 A BC
5. Cu2+ + NH4OH (AwZwiÚ) A + H2O M
Zn2+ + NH4OH (AwZwiÚ) B + H2O K. cwji eRÆb bxwZ Kx? 1
K. Š`ZÅvKvi AYy Kx?
1 L. DóxcGKi cÉwKÌqvwUi bvg Kx? DóxcGKi cÉwKÌqvwUi gƒjZî½
ˆjGLv? 2
L. Na ˆK Þvi avZz ejv nq ˆKb? 2
M. DóxcGKi A ˆhŒMwU eYÆhyÚ eÅvLÅv KGiv| 3 M. DcGii wPGò A, B ‰es C ‰i gGaÅ ˆKvbwU wgkÉY? ‰ wgkÉGY
KqwU Dcv`vb AvGQ? Kx Kx eywSGq ˆjGLv| 3
N. “DóxcGK A ‰es B ‰i AvK‡wZ ‰es e®¬b ˆKvGY wf®Z² v N. mvevGbi jvB ˆ^GK w™Ïmvwib c†^K Kivi RbÅ Kx cÉwKÌqv
iGqGQ” h^v^ÆZv weGkÏlY KGiv| 4 AbymiY nq? eÅvLÅv KGiv|
4
gGWj ˆUÕ¡ gGWj ˆUÕ¡: wbeÆvPwb cixÞvi cÉkc² ò 1
gGWj 1 wewmAvBwm KGjR, XvKv
imvqb cÉ^g cò welq ˆKvW: 1 7 6
mgq 25 wgwbU eüwbeÆvPwb cÉk² cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGki² KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGki² gvb 1|]
1. wbGPi ˆKvb AvqbwU iwOb ˆhŒM MVb KGi? 10. eyÅGiGUi cici `yB `vGMi cv^ÆKÅ KZ 17. ˆKvb wbDwKÑqvmwU NMR mwKÌq?
wgwj?
K Be2+ K 16
K 1.0
L Sc3+ L 0.1 8O
M 0.01
M Ni2+ N 0.001 L 12
N Zn2+ 11. AÓ¡K AÕ·Ó¡ ˆhŒM ˆKvbwU? 6C
2. Avg ˆKŒUvRvZKiGYi ˆKvb ˆhŒM eÅen†Z i. H2O M 32
nq? ii. BCl3
iii. NCl3 16S
K ‰mKiweK ‰wmW
wbGPi ˆKvbwU mwVK? N 1
L mvBwUÇK ‰wmW
K i I ii 1H
M wfGbMvi
L ii I iii 18. wbGÁ²i ˆKvb ˆhŒGM gyÚGRvo BGjKUÇb
N digvwjb
3. NH3 ‰i wkG͸vrcv`b MO ˆKvb wnmvGe M i I iii msLÅv mGeÆvœP?
eÅen†Z nq? N i, ii I iii K HCl
12. ˆKvbwUi mvnvGhÅ DcÕ¦Gi AiweUvj msLÅv
K cfÉ veK mnvqK L NH3
wbYÆq Kiv hvq? M H2O
L AvweÓ¡ cÉfveK N H2S
K 2(2l + 1)
M AGUvcÉfveK L 2l + 1 19. 20C Zvcgvòvq 20.2g fGii ‰KwU mÁ·†Ú
Ml+1
N cfÉ veK wel N (n + 1) `ËeGY 10.2 g `Ëe AvGQ? `ËveÅZv KZ?
4. meÆvaywbK chÆvq mviwYGZ Sc ‰i AeÕ©vb
13. ˆKvbwUi AvKvi ˆQvU? K 1.02
ˆKvbwU?
KO L 50.50
K chÆvq-4, MÉ‚c-1 LN
L chÆvq-4, MÉ‚c-13 MC M 102
M chÆvq-4, MÉ‚c-3 N Li
N chÆvq-4, MÉ‚c-14 N 202
5. f-eÐK ˆgŒGji msLÅv KZwU? 14. mwKÌq fi ejGZ eySvq?
i. AvswkK Pvc 20. UÅvjKg cvDWvGii gƒj Dcv`vb ˆKvbwU?
K 41 ii. AvYweK fi
L 36 iii. ˆgvjvi Nbgvòv K UÅvjK
M 27 wbGPi ˆKvbwU mwVK?
N 14 K i I ii L ZnO
L ii I iii
6. H cvigvYweK eYÆvjxi ˆKvb wmwiRwU M i I iii M CaCO3
AwZGeàbx AçGj we`Ågvb? N i, ii I iii
K cÅvGøb N myMw®¬ `ËeÅ
L jvBGgb 15. wbGPi ˆKvb wewKÌqvwUi Kp ‰i ‰KK
M evgvi atm2? 21. ˆKvbwU AwaK mgGhvRx?
N eËvGKU
K H2 + I2 = 2HI K LiCl
7. 0.001 M NaOH `ËeGYi pH KZ? L 2HO2 HoooooooooI N2O4
M 2NH3 HoooooooooI N3 + 3H2 L NaCl
K 13 N CH4 + H2O HoooooooooI CO + 3H2
L 11 16. ˆKvbwU wkLv cixÞvq ˆeàbx eYÆ ˆ`Lvq? M KCl
M 10 K Na+
N3 L Al3+ N CsCl
M Ni2+
8. SF6 ˆhŒGM ˆKvb aiGbi msKiY we`Ågvb? N K+ 22. wbGÁ²i ˆKvbwU nvBGcv ‰wmW?
K Sp3d2 K H3PO3
L Sp3d L H3PO2
M Spd3 M H3PO4
N Sp2d N HPO3
9. ˆKvbwU mÁ¿e? 23. ˆKvb ˆhŒGM H e®¬b MwVZ nq?
K 3f K HCl
L 3d
M 2d L H2S
N 1p M CH3COOH
N CHCl3
24. Mg(OH)2 ‰es H2O ‰i wgkÉYGK ejv
nq?
K mvmGcbkb
L KjGqW
M Bgvjkb
N `ËeY
25. UqGjU wKÑbvGii cÉavb Dcv`vb ˆKvbwU?
K NH4OH
L NaOH
M Na2CO3
N (NH4)2CO3
Dîi 1 M 2 L 3 K 4 M 5 M 6 L 7 L 8 K 9 L 10 L 11 * 12 L 13 K
14 M 15 M 16 N 17 N 18 K 19 M 20 K 21 K 22 L 23 M 24 K 25 L
* 11. mwVK Dîi nGe (ii) hv AckGb ˆbB|
2 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
gGWj 2 mvfvi KÅv´ŸbGg´Ÿ cvewjK Õ•zj I KGjR, XvKv
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq cGov ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. DóxcKwU co I wbGPi cÉk²àGjvi Dîi `vI: 5. DóxcKwU jÞ Ki I wbGPi cÉk²àGjvi Dîi `vI:
NH3 `ËeY, HNO3, avZe- Na X gvLb Y (1% cvwbhyÚ Dcv`vb)
K. wcGcU Kx? 1 K. ˆÕ¡wijvBGRkb Kx? 1
L. ivBWvi aË‚eK ejGZ Kx ˆevSvq? 2 L. AÅvw´Ÿ AwÝGW´Ÿ ejGZ Kx eyS? 2
M. DóxcGKi ivmvqwbK `ËeÅàGjv KxfvGe msiÞY Kiv hvq? 3 M. DóxcGKi ˆkGlvÚ Y Dcv`vbwU AGbKw`b chƯ¦ KÞZvcgvòvq ˆiGL
N. DóxcGKi ivmvqwbK `ËeÅàGjv AwaK eÅenvi cwiGek I gvbe mfÅZvi ˆ`qv hvq ˆKb KviY eÅvLÅv Ki| 3
ügwKÕ¼i…c AvGjvPbv Ki| 4 N. DóxcGKi X Dcv`vbwU nGZ 2q Dcv`vbwU ŠZwiGZ PvwbÆs LyeB
2. DóxcKwU jÞ Ki I wbGPi cÉk²àGjvi Dîi `vI: Myi‚Z½cYƒ Æ f„wgKv cvjb KGi DwÚwUi mZÅZv hvPvB Ki| 4
n=4 6. DóxcKwU co I wbGPi cÉk²àGjvi Dîi `vI:
n=3
N2(g) + 3H2(g) = 2NH3(g) wewKÌqvi ˆÞGò 60C ‰es 95C Zvcgvòvq
n=2 h ˆeM aË‚eGKi gvb h^vKÌGg 2.35 10–6 ‰es 4.75 10–6 s–1
n=1
h
Ea – Ea = h
K. evdvi `ËeY Kx? 1
10 L. HClO4 I H2SO4 ‰i gGaÅ ˆKvbwU AwaK ZxeË ‰wmW ‰es ˆKb? 2
wPò: H-cigvYy M. wewKÌqvwUi mwKÌqb kwÚi gvb MYbv Ki| 3
K. AiweUvj Kx? 1 N. DóxcGKi wewKÌqvwUGZ mvgÅveÕ©vq PvGci cfÉ ve AvGQ wKbv AvGjvPbv
L. 3d AiweUvj mÁ¿e nGjI 3f AiweUvj mÁ¿e bq ˆKb? 2 Ki| 4
M. DóxcGK DGÍÏwLZ gGWjwU iv`viGdvGWÆi cigvYy gGWGji mxgve«¬ZvGK 7. DóxcKwU jÞ Ki I wbGPi cÉk²àGjvi Dîi `vI:
AwZKÌg KGi eÅvLÅv Ki| 3 B
N. DóxcGK DGÍÏwLZ avcv¯¦i mgƒGni gGaÅ ˆKvbwU AwaK kwÚ wewKiY 2000 J
KGi Zv weGkÏlY Ki| 4 1500 A G I
1000 DF
3. DóxcKwU co I wbGPi cÉk²àGjvi Dîi `vI: L
500 K
ˆhŒM X YZ 0 CE H
AvYweK msGKZ CH4 NH3 H2O
AvK‡wZ PZzÕ¦jKxq wòGKvYxq wcivwgWxq V-AvK‡wZ 1 2 3 4 5 6 7 8 9 10 11 12
cvigvYweK msLÅv
K. AvœQv`b cÉfve Kx? 1 K. mw®²Gek msLÅv Kx? 1
L. KC ‰i gvb KLbI kƒbÅ ev Amxg nGZ cvGi bv ˆKb? 2 L. dvhvGbi bxwZ ejGZ Kx eyS? 2
M. DóxcGKi ˆhŒMàGjvGZ ˆK±`Êxq cigvYyGZ we`Ågvb msKi AeÕ©v wbYÆq M. DóxcGKi H-ˆgŒGji 2q BGjKUÇb AvmwÚi gvb abvñK eÅvLÅv Ki| 3
Ki| 3 N. DóxcGKi c`É wkÆZ wbGPi ˆgŒjàGjvi AvqwbKiY kwÚi gvb eÅvLÅv
N. X, Y ‰es Z ˆhŒGMi ‰i…c AvK‡wZ weGkÏlY Ki| 4 Ki| D > E I G > H 4
4. DóxcKwU jÞ Ki I wbGPi ckÉ ²àGjvi Dîi `vI: 8. DóxcKwU co I wbGPi ckÉ ²àGjvi Dîi `vI|
25 mL 0.2 M 20 mL 0.2 M Solution of ‰KwU wbw`ÆÓ¡ Zvcgvòvq BaCO3 ‰i `ËveÅZv àYdj 5.5 10–10 mol2L–2.
CH3COOH NaOH, (Pot: 2) (Pot: 1 + 2) `ywU cvGò mg AvqZGbi (i) 1 10–4 M Na2CO3 `ËeY I (ii) 0.1 M BaCl2
(Pot: 1) `ËeY ˆbIqv nj|
K. nvBGWÈvGRb e®¬b Kx? 1 K. RxgÅvb cÉfve Kx? 1
L. A + B = C + D wewKÌqvwUi RbÅ Kp I Kc ‰i gGaÅ mÁ·KÆ Õ©vcb L. Cr ‰i BGjKUÇb webÅvm mvaviY wbqg AbymiY KGi bv ˆKb? 2
Ki? 2
M. DóxcGK DwÍÏwLZ WvUvi mvnvGhÅ BaCl2 `ËeGY BaCO3 ‰i `ËveÅZv
M. 2q cvGòi pH MYbv Ki| (Ka = 1.8 10–5) 3 wbYÆq Ki| 3
N. 3q cvGòi wgkÉY `yB fvM KGi `ywU cvGò ˆbqv nj I ‰KwU cvGò N. DóxcGKi DwÍÏwLZ `ËeY (i) ‰es `ËeY –(ii) ciÕ·Gii mvG^ ˆhvM Kiv
mvgvbÅ ‰wmW AbÅwUGZ mvgvbÅ Þvi ˆhvM KiGj pH ‰i ˆKgb nGj wgwkÉZ `ËeGY BaCO3 ‰i AatGÞc coGe wK bv? MvwYwZKfvGe
cwieZÆb nGe? KviY weGkÏlY Ki| 4 weGkÏlY Ki| 4
gGWj ˆUÕ¡ 3
gGWj 3 XvKv Bgwcwiqvj KGjR, XvKv
mgq 25 wgwbU imvqb cÉ^g cò welq ˆKvW: 1 7 6
eüwbeÆvPwb cÉk²
cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGk²i KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGki² gvb 1|]
1. d-eÐGKi c^É g ˆgŒj ˆKvbwU? 12. ‰KwU ns AiweUvGj KZ msLÅK ˆbvW logKp
KV L Cr (node) ^vKGZ cvGi? ii.
M Mn N Sc K n msLÅK 1
2. 0.01 M NaOH `ËeGYi pH KZ? T
L (n + 1) msLÅK
K1 L2 M 2n2 msLÅK
M 12 N 13 N (n 1) msLÅK logKp
3. XeF4 ˆhŒGM gyÚ ˆRvo BGjKUÇGbi msLÅv iii.
KqwU?
13. cÉavb ˆKvqv´Ÿvg msLÅv n = 3 ‰i ˆÞGò 1
T
K 1 wU L 2 wU i. 3 f AiweUvj mÁ¿e
wbGPi ˆKvbwU mwVK?
M 3 wU N 4 wU ii. m = 2, 1, 0, + 1, + 2
4. wbGÁ²i ˆKvb AvqwbK ˆhŒGM meGPGq ˆewk iii. l = 0, 1, 2 K i I ii L i I iii
ˆcvjvqb NGU? wbGPi ˆKvbwU mwVK? M ii I iii N i, ii I iii
K LiCl L BeCl2 K i I ii L ii I iii 21. C(s) + O2 (g) CO2 (g), H =
M NaCl N MgCl2 M i I iii N i, ii I iii 393.5 kJ mol1
5. C2H4 ˆhŒGM ˆKvb aiGbi msKiY NGUGQ? 14. ˆccvi ˆKÌvgvGUvMÉvwdi ˆÞGò Rf ‰i gvb i. ‰wU KveGÆ bi `nb wewKÌqv
ˆKvbwU mÁ¿e?
K dsp2 L sp2 ii. CO2 ‰i msMVb wewKÌqv
iii. ‰wU ‰KwU Zvc Drcv`x wewKÌqv
M sp N sp3 K3 L2
6. ˆnevi em c«¬wZGZ NH3 Drcv`Gb ˆKvbwU M 1.5 N 0.15 wbGPi ˆKvbwU mwVK?
cfÉ veK mnvqK wnmvGe eÅen†Z nq?
15. A2B3 ‰i `ËveÅZv ‘s’ nGj `ËveÅZv àYdj K i I ii L i I iii
K Mo L Fe KZ nGe?
M ii I iii N i, ii I iii
M Ni N Cr
7. wbGÁi² ˆKvb AvqbwUi «¼viv MwVZ ˆhŒM K 108 s5 L 27 s3 22. ˆgGn`xi is ‰i KviY ˆKvb imvqwbK `ËeÅ?
iwOb nGe? M 16 s4 N 8 s3 K jÅvGbvwjb
K Ca2+ L Na+ 16. cvKÕ©jxi cvPK iGmi pH = 4.74 nGj L jÅvGmvb
M Co3+ N Zn2+ H+ AvqZGbi Nbgvòv KZ? M AwjK ‰wmW
8. ˆKvbwU ˆmGK´£vix Õ¡Åv´£vWÆ c`v^Æ? K 1.4 M N DB´Ÿvj MÉxb
K Na2CO3 L K2Cr2O7 L 0.398 M 23. gvsm ˆKŒUvRvZ KiGZ eÅen†Z nq
M H2C2O4 N KMnO4
M 0.0398 M i. 2% Lv`Å `ËeY
9. wKÑwbs wgKøvi nGjv N 0.000018 M ii. 10% Lv`Å jeY
K K2Cr2O7 I HCl ‰i `ËeY 17. Al2O3 ‰i AÁÏZ½ KZ? iii. 2% wPwbi `ËeY
L K2Cr2O7 I H2SO4 ‰i `ËeY
K2 L3 wbGPi ˆKvbwU mwVK?
M KMnO4 I HCl ‰i `ËeY
N KMnO4 I H2SO4 ‰i `ËeY M5 N6
wbGPi DóxcKwU co ‰es 10 I 11 bs cGÉ k²i
18. NaOH ‰i mvG^ wbGPi ˆKvb ‰wmWwUi K i I ii L i I iii
ckÉ gb Zvc meÆvwaK? M ii I iii N i, ii I iii
Dîi `vI : K HNO3 L HF 24. weGbMvi cÕÉ §wZGZ eÅvKGUwiqvi e†w«¬
‰KRb wkÞv^Æx jÅveGiUixGZ KvR Kivi mgq M HCl N H2SO4 mnvqK wnmvGe eÅen†Z nq
Mvp H2SO4 Zvi nvGZ cGo ˆMj| jÅve wkÞK 19. A2(g) + 3B2(g) HoooooooooI 2AB(g) , H = + ve i. (NH4)2SO4
Zvi nvGZ 5% gvòv “X” `ËeY w`Gq KGqKevi ii. (NH4)2CO3
i. wewKÌqvwU Zvcnvix iii. (NH4)3PO4
ayGq w`Gjb ‰es cieZÆxGZ WvÚvGii KvGQ ii. mvgÅaË‚eK Kp I Kc ‰i gvb mgvb wbGPi ˆKvbwU mwVK?
iii. mvgÅveÕ©vi Dci PvGci ˆKvb cÉfve ˆbB K i I ii
cvVvGjb| L i I iii
wbGPi ˆKvbwU mwVK? M ii I iii
10. DóxcGKi “X” `ËeYwU wQj N i, ii I iii
K i I ii L i I iii 25. wjcwÕ¡GKi gƒj Dcv`vb ˆKvbwU?
K NaOH L NaHCO3
K ˆgvg
M (NH4)2CO3 N Na2CO3 M ii I iii N i, ii I iii L LwbR ˆZj
M iéK c`v^Æ
11. ‰wmGWi cwieGZÆ hw` Þvi `ËeY nvGZ coZ 20. mvgÅvsK Kp ‰i Dci Zvcgvòvi cÉfve N ˆfGmwjb
ZGe jÅve wkÞK ˆKvbwU eÅenvi KiGZb?
mÁ·wKÆZ ˆjLwPGò
K H3BO3
L AgCl logKp
M H3PO4 i.
N wfGbMvi `ËeY 1
T
Dîi 1 N 2 M 3 L 4 L 5 L 6 K 7 M 8 N 9 L 10 L 11 K 12 N 13 L
14 N 15 K 16 N 17 N 18 L 19 N 20 K 21 N 22 L 23 L 24 L 25 K
4 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
gGWj 4 we‰‰d kvnxb KGjR, cvnvoKvçbcyi, UvãvBj
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq cGov ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. K. Zwor FYvñKZv Kx? 1
L. H2SO4 I H3PO4 ‰wmW «¼Gqi gGaÅ ˆKvbwU ZxeË ‰wmW ‰es ˆKb
eÅvLÅv Ki| 2
80 mL 40 mL M. B ˆgŒGji meÆGkl BGjKUÇb ˆh kwÚÕ¦Gi hvq Zvi mGeÆvœP BGjKUÇb
0.1M 0.1M
HCOOH NaOH aviY ÞgZv l, m, s ‰i gvb eÅenvi KGi hvPvB Ki| 3
Ka=1.8 104
cvò-B N. DóxcGKi A ˆgŒjwUi meÆGkl BGjKUÇb ˆh kwÚ Õ¦Gi iGqGQ ˆmB
cvò-A
kwÚÕ¦Gi ˆKvb ˆKvb AiweUvj mÁ¿e Zv hvPvB Ki| 4
5. 18.5% N2O4 ‰i weGqvRGb NO2 Drc®² nq| hLb Zvcgvòv 298K
‰es Pvc 1 atm.
K. AvDdevD bxwZwU wjL| 1 K. eÐvwçs Kx? 1
L. Zn avZzGK AeÕ©v¯¦i ˆgŒj ejv nq ˆKb? 2 L. Kc ‰i gvb kƒbÅ nq bv ˆKb? 2
M. A I B cvGòi wgwkÉZ `ËeGYi pH wbYÆq Ki| 3 M. DóxcGKi wewKÌqv AbymvGi Kp ‰i ivwkgvjv wbYÆq Ki| 3
N. wgkÉGY mvgvbÅ ‰wmW ev Þvi ˆhvM KiGj pH ‰i wK cwieZÆb NGU? N. Zvcgvòv ‰KB ˆiGL 0.5 atm PvGc DóxcGKi wewKÌqvi weGqvRb gvòv
eÅvLÅv Ki| 4 wbYÆq Kiv Kx mÁ¿e? hywÚmn weGkÏlY Ki| 4
2. 6.
ˆgŒj BGjKUÇb webÅvm
X ns2 np5
eyÅGiU, wcGcU, AvqZbwgwZK dÑvÕ•, 18 mL Y nd6 (n+1)s2
dvGbj, Iqvk ˆevZj 21.65g Na2 CO3
0.2M Z nd10 (n + 1)s2
ˆgRvwis -wmwj´£vi
HCl `ËeY ‰LvGb, n = 3
K. jv-kvGZwjqvGii bxwZwU wjL| 1
(i) h¯¨cvwZ I ivmvqwbK `ËeÅ (ii) `ËeY L. mwKÌqb kwÚi mvG^ wewKÌqvi nvGii mÁ·KÆ eÅvLÅv Ki| 2
M. DóxcGK X, Y, Z ˆgŒjmgƒGni gGaÅ ˆKvbwU iwOb ˆhŒM MVb KiGe?
K. wcÉRviGfwUfm Kx? 1 eYÆbv Ki| 3
L. 3d I 4p AiweUvGji gGaÅ ˆKvbwUGZ BGjKUÇb AvGM cGÉ ek KiGe? N. DóxcGK YX3 ‰es ZX2 ˆhŒM `ywUi gGaÅ ˆKvbwU cvwbGZ AwaK
eÅvLÅv Ki| 2 `ËeYxq Zvi KviY weGkÏlY Ki| 4
M. DóxcGKi AvGjvGK cGÉ qvRbxq h¯¨cvwZ I ivmvqwbK `ËeÅ eÅenvi KGi 7. wfGbMvi AÅvGgvwbqv `ËeY KwÕ¡K ˆmvWv `ËeY
300mL Na2CO3 `ËeY KxfvGe cÉÕ§Z KiGe? eYÆbv Ki| 3 A B C
N. DóxcGKi (ii) `ËeYGK mÁ·ƒYÆ ckÉ wgZ KiGZ ˆZvgvi meUzKz `ËeY K. MVb Zvc wK? 1
cGÉ qvRb nGe Kx? MvwYwZKfvGe weGkÏlY Ki| 4 L. Zn+2 Avqb kbvÚKiY cixÞv mgxKiYmn eYÆbv Ki| 2
3. X = 1s2 2s2 2p2 M. Lv`Å msiÞGY A-‰i ài‚Z½ AvGjvPbv Ki| 3
Y = 1s2 2s2 2p3 N. ™Ïvm wKÑbvi ŠZwiGZ B I C ‰i gGaÅ ˆKvbwU AwaKZi DcGhvMx?
Z = 1s2 2s2 2p4 weGkÏlY Ki| 4
K. evdvi `ËeY Kx? 1 8.
L. AiweU I AiweUvGji gGaÅ cv^ÆKÅ wjL| 2 Ray Ziã Š`NÆÅ (nm)
M. X2H2 ˆhŒGMi msKiY eÅvLÅv Ki| 3
N. Y I Z ‰i nvBWÈvBW ˆhŒM `ywUi msKiY ‰KB nIqv mGî½I e®¬b wf®² A 10
ˆKb? mwPò eÅvLÅv Ki| 4 B 97.24
4. A I B ˆgŒGji meÆGkl ˆKvqv´Ÿvg msLÅvi ˆmU wbÁi² …c C 850
D 258000
ˆKvqv´Ÿvg msLÅv K. `ËveÅZv Kx? 1
n l m s L. wkLv cixÞvq Mvp HCl eÅenvi Kiv nq ˆKb? 2
ˆgŒGji bvg M. C-iwkÄi KÁ·vâ I Ziã msLÅv wnmve Ki| 3
A 3 2 +2 1 N. H-cigvYyi eYÆvwjGZ DGîwRZ BGjKUÇbwU KZZg kwÚÕ¦i ˆ^GK wbÁ²
2
kwÚÕ¦Gi wdGi AvmGj B-‰i Abyi…c Ziã Š`NÆÅ cvIqv hvGe?
B 3 2 1
2 2 MvwYwZKfvGe wnmve Ki| 4
gGWj ˆUÕ¡ 5
gGWj 5 ˆkiDW B´ŸvibÅvkbvj (cÉvt) Õ•zj ‰´£ KGjR, ˆkicyi, eàov
imvqb cÉ^g cò welq ˆKvW: 1 7 6
mgq 25 wgwbU eüwbeÆvPwb cÉk² cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGk²i KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGki² gvb 1|]
1. ˆKvbwU cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ? 11. msiÞK wnmvGe wfGbMvi eÅenvGii myweav 17. EG4 ˆhŒGM gyÚ ˆRvo BGjKUÇb msLÅv
K KMnO4 nGœQ K4 L3
L H2SO4
M Na2S2O2 i. ‰wU wewf®² Lv`Å`ËGeÅi Õ¼v` I cwy Ó¡àY M1 N2
N K2Cr2O7
evwoGq ˆ`q 18. DóxcK gGZ
2. eyÅGiU cwiÓ•vi KiGZ wbGÁi² ˆKvbwU
eÅen†Z nq? ii. ‰wU Lv`Å`ËGeÅi eYÆ, cwy Ó¡ I wfUvwgb i. BGjKUÇb AvmwÚi KÌg Q < G
K ˆKÌvwgK ‰wmW
L mvevb AÞz®² ivGL ii. AvqwbKiY kwÚ e†w«¬i KÌg M < A < Q
M wWUviGR´Ÿ
iii. cPbkxj Lv`Å`ËeÅGK cPGbi nvZ ˆ^GK <R
N ˆmvwWqvg evBKveÆGbU
3. 4s AiweUvGj KZwU ˆbvW ^vGK? iÞv KGi iii. DG3 ‰i e®¬bGKvb AGcÞv AG3 ‰i
e®¬b ˆKvb ˆewk
K 3 wU wbGPi ˆKvbwU mwVK?
wbGPi ˆKvbwU mwVK?
L 2 wU K i I ii L i I iii
K i I ii L i I iii
M 1 wU M ii I iii N i, ii I iii
M ii I iii N i, ii I iii
N 4 wU 12. Mvfxi `yGa kZKiv KZfvM cvwb ^vGK?
4. ˆgŒGji ˆhGKvGbv DckwÚ Õ¦Gi BGjKUÇb 19. BGjKUÇb AvmwÚi KÌg wbGPi ˆKvbwU?
K 87.2% L 77.2%
K F > Cl > Br > I
M 78.2% N 90.2%
L Cl > F > Br > I
+13. A3(g) 3B2(g) HoooooooooI 2AB3(g); H = ve;
wewKqÌ vwU AB3 ‰i Drcv`b e†w«¬ cvGe M I > Br > Cl > F
N Br > Cl > F > I
aviY ÞgZv wbYÆGqi mƒò ˆKvbwU? hw` 20. wbGPi ˆKvbwU wkLv cixÞvq ˆKvGbv eYÆ ˆ`q
K 2n2 L 2l + 1 i. Zvcgvòv nËvm Kiv nq bv?
M 2(2l + 1) N 2(l + 1) ii. Pvc e†w«¬ Kiv nq K Mg L Na
5. H2O AYyGZ AwÝGRGbi ˆKvb aiGbi iii. cvò ˆ^GK AB3 ˆK mwiGq ˆbIqv nq MK N Ca
msKivqb we`Ågvb? wbGPi ˆKvbwU mwVK?
21. wiWevMÆ aË‚eK ‰i gvb wbGPi ˆKvbwU?
K sp3 L sp2
K i I ii L i I iii K 109768 m1 L 109678 cm1
M sp N sp2d
M 109678 em1 N 106789 m1
6. wbGPi ˆKvb ˆhŒMwU AwaK mgGhvRx? M ii I iii N i, ii I iii
22. Na ‰i meÆewntÕ© BGjKUÇGbi RbÅ ˆKvb
K MgCl2 L AlCl3 14. cfÉ veK ˆKvb wewKÌqvi
ˆKvqv´Ÿvg msLÅvàGjv mwVK?
M CaCl2 N FeCl2 i. wewKÌqK AYyi MwZkwÚ e†w«¬ KGi
ii. mwKÌqY kwÚ nËvm KGi K 1
7. gvbe iGÚ ˆKvb evdvi we`Ågvb? n = 3, l = 0, m = 0, s = + 2
K NaHCO3 + H2CO3 iii. wewKÌqK AYyGZ AwaGkvwaZ nq L n = 3, l = 3, m = 0, s = + 1
L CH3COONa + CH3COOH wbGPi ˆKvbwU mwVK? 2
M Na2HPO4 + H2PO4 K i I ii L i I iii M n = 2, l = 2, m = 0, s = 1
N NH4OH + NH4Cl 2
8. Zvcnvix wewKÌqvq Zvc cGÉ hvM KiGj M ii I iii N i, ii I iii N n = 3, l = 3, m = +3, s = + 1
2
mvGgÅi AeÕ©vb 15. 0.05 M H2SO4 `ËeGYi pH KZ?
23. UÇvwdK wmMbvGji jvj AvGjvi Ziã‹`NÆÅ
K wcQGbi w`GK AMÉmi nq K1 L2
665 nm nGj kwÚ KZ?
L mvgGbi w`GK AMÉmi nq M 3 N 2.5
M ˆKvGbv w`GKB mGi hvq bv 16. N2(g) + 2H2(g) HoooooooooI 2NH3(g) ; wewKÌqvi K 3.115 1018 J
N webÓ¡ nq Kp I Kc ‰i mÁ·KÆ ˆKvbwU? L 2.986 1019 J
9. wfGbMvGii ivmvqwbK bvg Kx? K Kp = Kc (RT)3 M 2.856 1016J
K diwgK ‰wmW L Kp = Kc (RT)2 N 3.245 1021 J
L ‰wmwUK ‰wmW M Kp = Kc (RT)2 24. ‰KwU jeGYi 30C Zvcgvòvq `ËveÅZv 25
M ˆmvwWqvg ‰wmGUU N Kp = Kc (RT)1 nGj 50 g mÁ·†Ú `ËeGY `ËGeÅi cwigvY KZ?
N wg^vbÅvj wbGPi DóxcKwU co ‰es 17 I 18 bs cGÉ k²i K 10 g L 20 g
10. ˆgGn`xi is ‰i KviY ˆh ivmvqwbK `ËeÅ Dîi `vI : M 12.5 g N 15 g
K jÅvGbvwgb chÆvq 25. cj-eywã eÅvGjG´Öi ˆÞGò 10 mg IRGbi
ˆkÉwY 15 16 17 18 ivBWvi eÅenvi Kiv nGj ivBWvi aËeGKi
L jvGmvb 2q A M Q R gvb KZ?
M AwjK ‰wmW 3q D E G T K 0.0001 L 0.001
N DB´Ÿvi MÉxb M 0.0002 N 0.01
1 N 2 K 3 K 4 M 5 K 6 L 7 K 8 L 9 L 10 L 11 N 12 K 13 NDîi
14 K 15 K 16 M 17 * 18 N 19 L 20 K 21 L 22 K 23 L 24 K 25 M
* 17. mwVK Dîi nGe 13; hv AckGb ˆbB|
6 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
gGWj 6 beveMé miKvwi KGjR, PuvcvBbeveMé
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq cGov ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. A, B ‰es C wZbwU ˆgŒj| ‰G`i ˆcÉvwUb msLÅv h^vKÌGg 6, 8 ‰es 5. ‰KwU cvGò 1.5 M NH4OH AvGQ|
14| ‰i Kb = 1.8 105 mol/L 1
K. AeÕ©v¯¦i ˆgŒj Kx? 1 K. pH Kx?
L. AÅvGgvwbqvi e®¬b ˆKvb 107 ˆKb? 2 L. cvwbi AvqwbK àYdj ejGZ Kx eyS? 2
M. AH4 ‰i MVb AvGjvPbv Ki| 3 M. DóxcGK DGÍÏwLZ `ËeGYi pH wbYÆq Ki| 3
N. mvaviY Zvcgvòvq AB2 MÅvmxq, wK¯§ CB2 KwVb DwÚwUi h^v^ÆZv N. `ËeGYi AvqZb 1 L nGj KZ MÉvg NH4Cl ˆhvM KiGj wgkÉGYi pH = 9.5
cgÉ vY Ki| 4 nGe| 4
2. 6. ‰KwU wewKÌqvi Zvcgvòv 27 C ˆ^GK 37 C ‰ e†w«¬ KiGj wewKÌqvi
cvigvYweK msLÅv cZÉ xK nvi w«¼àY nq|
13 A K. mwKÌqY kwÚ Kx? 1
17 B L. jv-kvGUwjqvi bxwZ eÅvLÅv Ki | 2
1 M. DóxcGKi AvGjvGK AÅviGnwbqvm mgxKiY cÉwZcv`b Ki| 3
K. BGjKGUÇvGbGMwUwfwU Kx? 2 N. DóxcGKi Z^Å nGZ mwKÌhY kwÚ wbYÆq Ki| 4
L. ZnO DfagÆx AÝvBW ˆKb? 3 7. 1
M. AB3 ˆhŒMwU ŠewkÓ¡Å mƒGò mgGhvRx eÅvLÅv Ki|
N. SiB4 GhŒMwU Av`ËÆ weGkÏwlZ nq wKbv KviYmn weGkÏlY Ki| 4
3.
CH3COOH NaCl
AvqwbKiY wefe (A) (B)
K. Lv`Å wbivcîv Kx?
L. ˆÕ¡wijvBGRkb ˆKb Kiv nq? 2
M. B ˆhŒM «¼viv Lv`Å msiÞY AvGjvPbv Ki| 3
N. A ˆhŒM ‰KwU Dîg wcRÉ viGfwUf hywÚ «¼viv cgÉ vY Ki| 4
MÉ‚cwfwîK cwieZbÆ 8.
K. BGjKUÇb AvmwÚ Kx? Centrifuse Charning 120C
1 Fresh Milk Cream Butter X
L. wmMgv e®¬Gbi ˆPGq cvB e®¬b `yeÆj ˆKb? 2
M. DóxcGKi X, Y, Z ˆgŒGji wZbwU ŠewkÓ¡Å DGÍÏL Ki| 3
N. DóxcGK DGÍÏwLZ ˆgŒjàGjvi AvqwbKiY wefGei cwieZÆGbi KviY
weGkÏlY Ki| 4
4. wbw`ÆÓ¡ Zvcgvòvq 1L cvGò 0.326 mol N2 ‰es 0.439 mol H2 ˆK
D Kivq mvgÅveÕ©vq wgkÉGYi ˆgvU ˆgvj msLÅv cvIqv hvq 0.657 mol|
K. MÉxb imvqb Kx? 1 K. ™Ïvm KÑxbvi Kx? 1
L. AGUv cÉfveb cwÉ KÌqv eÅvLÅv Ki| 2 L. cviwdDg Drcv`Gb evÓ·cvZb cwÉ KÌqvi eÅvLÅv `vI| 2
M. DóxcGKi AvGjvGK wewKÌqvi KP wbYÆGqi ivwkgvjv Drcv`b Ki| 3 M. DóxcK nGZ X ˆhŒGMi Drcv`b eYÆbv Ki| 3
4
N. DóxcGK DGÍÏwLZ Z^Å nGZ KC ‰i gvb wbYqÆ Ki| 4 N. DóxcGKi DGÍÏwLZ dGji KÅvwbs avcmgƒn AvGjvPbv Ki|
gGWj ˆUÕ¡ 7
gGWj 7 Šmq`cyi miKvwi KvwiMix KGjR, bxjdvgvix
imvqb cÉ^g cò welq ˆKvW: 1 7 6
mgq 25 wgwbU eüwbeÆvPwb cÉk² cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGk²i KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGki² gvb 1|]
1. wbGPi ˆKvbwU AeÕ©v¯¦i ˆgŒGji 11. dzW ˆjKvi ‰K aiGbi 17. mvgÅveÕ©vq NO2 ‰i AvswkK Pvc KZ
nGe?
K Sc2+ L Zn2+ K msiÞK
M Cu+ N As+ L ‰wbU AwÝGW´Ÿ K 0.5 atmn L 0.4 atm
2. M eÅvKwUwiqv I QòvK DfqB bvkK M 0.25 atm N 0.125 atm
x Overlaping N KÅvb I LvG`Åi gvGaÅ weGf` m†wÓ¡Kvix 18. DóxcGKi wewKÌqvwUi RbÅ ˆKvb mÁ·KÆwU
ivmvqwbK mwVK?
c`É î AwaKÌgY «¼viv MwVZ nq 12. gGqvøvivBRvi wnmvGe ˆjvkb I wKÌGg ˆKvb K Kp > Kc
L Kp < Kc
i. -e®¬b ivmvqwbK Dcv`vbwU eÅenvi nq M Kp = Kc
K wfGbMvi N Kp Kc
ii. -e®¬b L ˆevivÝ 19. ˆKvbwU AwaK mgGhvRx
iii. ˆKvb e®¬b MwVZ nq bv M 1, 2, 3-UÇvBnvBGWÈvwÝ ˆcÉvGcb K BaCl2 L SrCl2
wbGPi ˆKvbwU mwVK? N mviweUvj M CaCl2 N MgCl2
K i L ii 13. ˆKvjGqW ‰i ŠewkÓ¡Å nGjv 20. ˆccvi ˆKÌvgvGUvMÉvdxi RbÅ cÉGhvRÅ
M iii N i, ii I iii i. ‰KwU Amgmî½ wgkÉY i. AwaGkvlY aGgÆi Dci wfwî KGi
3. BF3 (X ˆhŒM) + F BF4 (Y GhŒM) ii. wU´£vj cfÉ ve ˆ`Lvq ii. KvMR wÕ©i `kv
X I Y ˆhŒGM msKiY I e®¬b ˆKvGYi gvb
iii. wKÌÕ¡vjGqW `ËeY iii. KvMGRi Av`ËZv wÕ©i `kv
ˆKvbwU mwVK? wbGPi ˆKvbwU mwVK? wbGPi ˆKvbwU mwVK?
K sp3, 120 I sp2, 109.5 K i I ii K i L ii
L sp2, 120 I sp3, 120 L ii I iii M iii N i, ii I iii
M sp2, 120 I sp3, 109.5 M i I iii 21. eyÅGiU wié KiGZ ˆKvbwU eÅenvi Dîg
N sp3, 120 I sp3, 109.5 N i, ii I iii K ˆcUÇj
4. wbGPi ˆKvbwU ˆgUv dmdwiK ‰wmW 14. HCl + NaOH NaCl + H2O H = L mvjwdDwiK ‰wmW
5734 kJ/ mol nGj, 1 mol HCl ‰i mvG^
K HPO4 L HPO3 M ˆKÌvwgK ‰wmW
M H3PO4 N H3PO3 0.5 mol NaOH ‰i wewKÌqvq H ‰i gvb N B^vbj
22. weGRvo BGjKUÇb msLÅvi mwVK KÌg
5. COCl2 GhŒGM ˆK±`Êxq cigvYy Kx msKwiZ? KZ nGe?
K sp2 L sp3 K 57.34 kJ ˆKvbwU?
M sp2d N sp L 47.44 kJ
6. 4-wWwRU eÅvGjG´Öi m߃ Zv KZ? M 68.34 kJ K Mn2+ > Fe2+ > Cr3+
K 0.01 L 0.001 N 28.67 kJ L Fe2+ > Cr3+ > Mn2+
M 0.0001 N 0.00001 15. Zvc Drcv`x wewKÌqvq Zvcgvòv e†w«¬ KiGj M Cr3+ > Fe2+ > Mn2+
7. H2S ‰i weK͸ ˆKvbwU wewKÌqvi ˆeM N Mn2+ > Cr3+ > Fe2+
K AÅvwmUÅvgvBW
K e†w«¬ cvq 23. eyÅGiGU HCl ‰es KwbGKj dÑvGÕ• Na2CO3
L ^vGqv AÅvwmUÅvgvBW wbGq UvBGUÇkb KiGj ˆkl we±`yGZ `ËeYwUi
L nËvm cvq
M B^vbÅvgvBW pH gvb KZ nGe?
M AcwiewZÆZ ^vGK
N ^vGqvwbj ˆKÑvivBW K 7.4 L 8.8
N Drcv`b D«¼vqx nq
8. cixÞvMvGi eÅen†Z mvaviY eyGiU «¼viv meÆ M 6.5 N7
AvGjv
wbÁ² KZ AvqZb cwigvc Kiv mÁ¿e? 16. H2 + Cl2 2HCl ; wewKÌqvwUi ˆeM 24. wbGÁ²i ˆKvbwU cÅvivgÅvMGbwUK agÆ ˆ`LvGZ
K 10 mL L 0.1 cm3 AvGjvi Dci wbfÆikxj nGj ‰i ˆeM cvGi bv?
M 0.1 dm3 N 0.01 mL aË‚eGKi ‰KK K [Cr(CN)6]3 L [Co(H2O)6]3+
9. AvwRgy^vj ˆKvqv´Ÿvg msLÅv Kx cÉKvk K mol L1s1 M [Cr(CN)6]3 N [Fe(H2O)6]2+
KGi? L s2 25. AÁÏxq FeSO4 `ËeGYi mvG^ cgÉ vY KMnO4
K w`K L NbZ½ M mol2 L2s1 `ËeGYi UvBGUÇkb NUvGj c^É Gg wewKÌqvi
M AvKvi N AvK‡wZ N mol L1 MwZ g¯©i ^vKGjI wKQyÞY ci MwZ e†w«¬
10. nvBGWÈvGRb cigvYyi ˆKvb BGjKUÇGbi RbÅ DóxcKwU cGo wbGPi `ywU cGÉ k²i Dîi `vI : cvq, KviY
ˆdvUb ˆkvlY KiGZ cvGi wK¯§ wewKiY 2 L AvqZGbi ‰KwU Ave«¬ cvGò N2O4 wbGq K AweÓ¡ cfÉ veb NGU
D Kiv nGj mvgvÅveÕ©vq 25% weGqvwRZ
KiGZ cvGi bv L AGUv cÉfveb NGU
nq| MÅvm wgkÉGYi ˆgvU Pvc 1 atm [wewKÌqvwU,
K 3s L 3p M abvñK cÉfveb NGU
N2O4 (g) HoooooooooI 2NO2(g)]
M 2p N 1s N FYvñK cÉfve NGU
Dîi 1 K 2 K 3 M 4 L 5 K 6 M 7 L 8 L 9 N 10 N 11 N 12 M 13 K
14 N 15 L 16 K 17 L 18 K 19 N 20 M 21 M 22 K 23 M 24 M 25 L
8 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
gGWj 8 Šmq`cyi miKvwi KvwiMix KGjR, bxjdvgvix
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq cGov ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. wbGPi DóxcKwU cGov ‰es cÉk²àGjvi Dîi `vI : 5. wbGPi DóxcKwU cGov ‰es cÉk²àGjvi Dîi `vI :
ˆkÉwY 1 15 16 17 100 mL 0.2 M 40 mL 0.2 M
chÆvq
CH3COOH NaOH
1g A
`ËeY `ËeY
2q J L M X
3q R Q AB
K. PvjGKvGRb Kx? 1 K. cgÉ vY `nb Zvc Kx? 1
L. DóxcGKi X ˆgŒjwU meÆvGcÞv Zwor FYvñK ˆgŒj ˆKb? eÅvLÅv Ki|2 L. mwKÌq AYy Kx? wewKÌqvi ˆeGMi Dci mwKÌq AYyi cÉfve ˆjL| 2
M. L, M I X ˆgŒjàGjvi AvqbxKiY kwÚi cwieZÆb KviYmn eÅvLÅv M. DóxcGKi `ËeY `ywU wgwkÉZ KiGj wgkÉYwUi pH gvb wbYqÆ Ki| 3
Ki| 3
N. DóxcGKi `ËeY `ywUi wgkÉGY mvgvbÅ ‰wmW A^ev mvgvbÅ Þvi ˆhvM
N. LA2 AvqbwUi RÅvwgwZK AvK‡wZ I e®¬b ˆKvY msKiGYi gvaÅGg KiGj pH gvGbi wKi…c cwieZÆb NUGe eÅvLÅv Ki| 4
eÅvLÅv Ki| 4 6. wbGPi DóxcKwU cGov ‰es ckÉ ²àGjvi Dîi `vI :
2. wbGPi DóxcKwU cGov ‰es ckÉ ²àGjvi Dîi `vI :
100 mL 0.01 M 60 mL 0.02 M 20 mL 0.01 M iywU gvsm djgƒj
AgNO3 KCl HCl
(1) (2) (3)
A Solution B Solution C Solution
A BC K. Lv`Å wbivcîv Kx? 1
‰LvGb, Ksp(AgCl) = 1 104 mol2L2 L. ™Ïvm wKÑbvGi KwÕ¡K ˆmvWv eÅenvi Kiv nq bv ˆKb? 2
K. Cu2+ ‰i BGjKUÇb webÅvm wjL|
1 M. DóxcGKi 3bs cvGòi Lv`Ë ˆKŒUvRvZKiGYi c«¬wZ eYÆbv Ki| 3
L. üG´£i wbqgwU wjL I eÅvLÅv Ki| 2 N. DóxcGKi 1bs I 2bs Lv`Å `ËeÅ msiÞGY ‰KB aiGbi msiÞK
M. DóxcGKi A I B wgwkÉZ KiGj ‰i AatGÞc Drc®² nGe wK bv eÅvLÅv eÅenvi Kiv mÁ¿e Kx? DÚ msiÞK wKfvGe Lv`Å msiÞY KGi? 4
Ki| 3 7. wbGPi DóxcKwU cGov ‰es cÉk²àGjvi Dîi `vI :
N. DóxcGKi `ËeYàGjvi wgkÉGbi mvnvGhÅ cgÉ vY Ki ˆh, mgAvqb cfÉ vGe ‰KRb Qvò cixÞvMvGi cj-eywã eÅvGiG´Öi evg cvÍÏvq Na2CO3 fwZÆ IRb
ˆevZj ˆiGL Wvb cvÍvÏ q 10g, 5g, 2g, 500mg, 100mg, 50mg, 20mg fGii
AgCl ‰i `ËveÅZv nËvm cvq 4 evULviv PvcvGbv nGjv| wbwÚi mƒPK KvUvwU kƒbÅ `vM eivei wÕ©i Kivi
3. wbGPi DóxcKwU cGov ‰es ckÉ ²àGjvi Dîi `vI : RbÅ 5 mg ivBWviwU exGgi ˆÕ•Gji Wvb w`GKi 3wU eo `vGMi ci 2wU
ˆQvU `vM eivei ivLj| 0.1 M 250 mL Na2CO3 `ËeY cÕÉ §wZi RbÅ cj-
e2 e1 eywã eÅvGjG´Öi mvnvGhÅ AvqZwbK dÑvGÕ• 2.5g Na2CO3 wbGZ wMGq 2.6180 g
ˆbIqv nGjv|
K. ivBWvi a˂eK Kx? 1
1 L. wgwjGgvjvi NaOH ‰i Nbgvòv ppm ‰ KZ nGe? 2
2 M. kƒbÅ ˆevZGji cÉ^g fi wnmve Ki| 3
3 N. wg^vBj AGié wbG`ÆkGKi mvnvGhÅ Na2CO3 ‰i cÕÉ §ZK‡Z 150 cm3
`ËeYGK mÁ·ƒYÆ ckÉ gb KiGZ KZ Nbgvòvi 200cm3 HCl cGÉ qvRb
4 nGe| 4
K. jÅvwUm ‰b^vjwc Kx? 1 8. wbGPi DóxcKwU cGov ‰es cÉk²àGjvi Dîi `vI :
L. DóxcGKi e2 ‰i Õ©vbv¯¦wiZ ‰i KÞcG^ AveZÆGbi cKÉ ‡wZ eÅvLÅv
Ki| 2 2
1
M. DóxcGKi e1 ‰i Õ©vbv¯¦iwU mÁ·®² KiGZ nGj BGjKUÇbwUGK KZ 0
1
kwÚ ARÆb KiGZ nGe? 3 2
+1
N. DóxcGKi ˆgŒjwUGZ hw` ‰KwU gvò BGjKUÇb ^vGK ZvnGjI
cvigvYweK eYÆvjxGZ ‰KvwaK ˆiLvi AwÕ¦Z½ jÞ Kiv hvq ˆKb? 4 0
4. wbGPi DóxcKwU cGov ‰es cÉk²àGjvi Dîi `vI : 1
150C Zvcgvòvq I 4.38 105 Nm1 PvGc ‰KwU Ave«¬ cvGò 1.5 mol 0
AB5 wbGq weGqvwRZ Kivq mvgÅveÕ©vq 0.5 mol AB3 I 0.5 mol B2 Drc®² Radiation Magnatic field
nGjv| K. wRgÅvb cÉfve Kx? 1
K. Amgmî½ cfÉ veb Kx? 1 L. cvZb I AvswkK cvZGbi gGaÅ cv^ÆKÅ ˆ`LvI| 2
L. wewKÌqvi ˆeM aË‚eK ejGZ Kx eyS? 2 M. DóxcK wPGòi mvnvGhÅ wKfvGe AiweUvGji aviYv cvIqv hvq, eÅvLÅv
Ki| 3
M. DóxcGKi wewKÌqvwUi Kc ‰i gvb wbYÆq Ki| 3
N. DóxcGKi wewKÌqvwU mvgÅveÕ©vq ^vKGj mvGgÅi Dci Zvcgvòv I N. DóxcK wPGò ˆh kwÚÕ¦i ˆ`LvGbv nGqGQ ˆmwUi ˆKvqv´Ÿvg msLÅvi
PvGci cÉfve eÅvLÅv Ki| 4 mvnvGhÅ BGjKUÇb msLÅv wnmve Ki| 4
gGWj ˆUÕ¡ 9
gGWj 9 wmGjU miKvwi KGjR, wmGjU
mgq 25 wgwbU imvqb cÉ^g cò welq ˆKvW: 1 7 6
eüwbeÆvPwb cÉk²
cYƒ Ægvb 25
[weGkl `ÓË ¡eÅ: mieivnK‡Z eüwbeÆvPwb AfxÞvi DîicGò cÉGki² KÌwgK bÁ¼Gii wecixGZ cÉ`î eYÆmÁ¼wjZ e†îmgƒn nGZ mwVK/mGeÆvrK‡Ó¡ DîGii e†îwU () ej cGq´Ÿ
Kjg «¼viv mÁ·ƒYÆ fivU KGiv| cÉwZwU cÉGki² gvb 1|]
1. wbGPi ˆKvb wewKÌqvq Kp > Kc 9. DóxcGKi ˆgŒjàGjvi gGaÅ 17. ˆKvΣ wKÌGg jyGeGË KwUs ‰GR´Ÿ wnmvGe
K H2 + I2 HoooooooooI 2HI(g) i. Z ‰i AvqwbKiY wefe Q ‰i ˆPGq eÅen†Z nq
L PCl5 HoooooooooI PCl3(g) +Cl2 ˆewk K Zij cÅviwdb
L ˆcÉvcvBj cÅvivGeb
M 3H2 + N2 HoooooooooI 2NH3 ii. Y ‰i ˆKÑvivBGWi Rjxq `ËeY AÁÏxq M w™Ïmvwib
N FeO + CO HoooooooooI Fe + CO2
iii. Y ‰i AvqZGbi ˆcvjvivqb ÞgZv X N ˆgvg
2. ˆPvGL Þvi `ËeY coGj wbGPi ˆKvb `ËeYwU 18. wbGÁi² ˆKvb h¯¨ eÅenvi KGi AwaKZi
‰i AvqGbi ˆPGq ˆewk
eÅenvi KiGZ nq? wbGPi ˆKvbwU mwVK?
K 5% H3PO3 L 5% HF K i I ii L ii I iii m߃ fvGe ռ͸ AvqZb cwigvc Kiv mÁ¿e
M 5% NaHCO3 N 5% H3BO3 M i I iii N i, ii I iii K ˆgRvwis wmwj´£vi
3. wPn×wU cKÉ vk KGi 10. Fe2(SO4)3 ‰i `ËveÅZv S nGj ‰wUi Ksp L AvqZbwgwZK dÑvÕ•
M eyGiU
nGe N KwbKÅvj dÑvÕ•
K `vnÅ c`v^Æ L ÞwZKviK c`^Æ
M D«¼vqx c`v^Æ N RviK c`v^Æ K 27 S3 L 27 S5 19. ˆKÌvwgK ‰wmGWi wgkÉY nGjv
M 108 S5 N 89 S5 K K2Cr2O7 + jNy H2SO4
L Na2Cr2O7 + jNy H2SO4
4. Da»ÆcvwZZ c`vG^Æi ˆÞGò cGÉ hvRÅ 11. cfÉ veK cwieZÆb KGi M K2Cr2O7 + Mvp HCl
N K2Cr2O7 + Mvp H2SO4
i. Da»ÆcvwZZ c`v^ÆGK DrGÞc eGj K mwKÌqb kwÚ 20. gvQ gvsmGK ˆKŒUvRvZKiGYi RbÅ KZ C
ii. Šòa we±`iy Pvc evqyg´£jxq PvGci Kg
L mvgÅveÕ©v
iii. Šòa we±`yi Pvc evqyg´£jxq PvGci ˆPGq M wewKÌqvZvc
ˆewk
N Afů¦ixY kwÚ Zvcgvòvq RxevYygyÚ Kiv nq
wbGPi ˆKvbwU mwVK? 12. UÅvjKg cvDWvGii gƒj Dcv`vb nGœQ K 220 C L 221 C
K i I iii L i I ii i. 3MgO . 4SiO2 . H2O M 50 C N 40 C
ii. H2Mg3(SiO3)4
M ii I iii N i, ii I iii iii. Mg3.Si4O10(OH)2 21. wbGPi ˆKvb ‰wmWwUGZ meGPGq Kg OH
5. ˆKvb ˆKvb AiweUvGji AwaKÌgGbi dGj wbGPi ˆKvbwU mwVK? gƒjK we`Ågvb
CO2 ˆhŒGM e®¬b MwVZ nq K i I ii L i I iii K H2SO4 L HClO4
M H2CO3 N H3PO3
K sp2, sp2 L sp2, sp3 M ii I iii N i, ii I iii 22. Rj¯¦ eÕ§ ev ÞqKvix c`v^Æ wbGq KvR
M sp, sp2 N sp, sp3 13. ‰KwU `ËeGYi nvBGWÈvwÝj AvqGbi Nbgvòv KiGj wbPi ˆKvb ™ÏvfmwU eÅenvi KiGZ
6. ˆKvb AiweUvjwU mÁ¿e 105 mol/L nGj DÚ `ËeGY pH nGe nGe
K 4d L 3f K 5 L 14 K jÅvGUÝ L wRGUÝ
M 1p N 2d M 9 N 10 M wbIwcbÉ N mywZi
DóxcKwU jÞ Ki ‰es 7, 8 I 9 bs cÉGk²i 14. wbGPi ˆKvb wbDwKÑqvmwU NMR mwKÌq 23. K ‰i 12 bs BGjKUÇGbi ˆKvqv´Ÿvg msLÅv
Dîi `vI : K 16 L 31 nGe
MÉ‚c 2 13 8O 15P
2 12
chÆvq M N K n = 3, l = 1, m = 0, s = 1
1H 6C +2
15. ˆgGnw`i ˆiW-eËvDb is c`É vbKvix jvGmvb
ˆhŒGM wbGPi ˆKvb ˆKvb vhÆKix gƒjK
3 XY L n = 3, l = 0, m = 0, s = 1
+2
4 ZQ we`Ågvb
1
7. Q ‰i ˆkl BGjKUÇGbi ˆPŒÁ¼K ˆKvqv´Ÿvg i. >C=O M n = 4, l = 2, m = +1, s = 2
msLÅvi gvb nGe ii. OH 1
+2
i. +1 iii. >C=C< N n = 2, l = 1, m = 1, s =
ii. 0
wbGPi ˆKvbwU mwVK? 24. wbGÁi² ˆKvb AvqbwU AGUv cfÉ veK wnmvGe
iii. 1
K i I ii L ii I iii KvR KGi
wbGPi ˆKvbwU mwVK?
M i I iii N i, ii I iii K Mg+2 L Cu2+
K i L ii
16. ‰wmGWi kwÚgvòv wbfÆi KGi M Mn2+ N Na+
M i I iii N i, ii I iii 25. ˆcqviv ˆKŒUvRvZ KiGY wbGPi ˆKvb
i. ‰wmGWi weGqvRb aË‚eGKi Dci
8. DóxcGKi ˆgŒjàGjvi gGaÅ wbGPi ˆKvbwU wcÉRviGfwUf eÅenvi Kiv nq
ii. ˆK±`Êxq ˆgŒGji RviY gvGbi Dci
mwKÌqZvi KÌg K mvBwUÇK ‰wmW
iii. `ËveGKi cKÉ ‡wZi Dci
KX>Y>Z>Q wbGPi ˆKvbwU mwVK? L ˆebGRvwqK ‰wmW
LZ>Q>Y>X M ˆmvwWqvg ˆebGRvwqU
K i I ii L ii I iii
MZ>X>Q>Y N ˆmvwWqvg miGevGiU
NZ>Q>Y>X M i I iii N i, ii I iii
Dîi 1 L 2 N 3 K 4 L 5 * 6 K 7 * 8 M 9 L 10 M 11 K 12 N 13 M
14 L 15 N 16 N 17 K 18 M 19 K 20 * 21 L 22 L 23 L 24 M 25 K
* 5. mwVK Dîi nGe sp2, sp2 hv AckGb ˆbB| 7. mwVK Dîi nGe (iii); hv AckGb ˆbB| 20. mwVK Dîi nGe 121C; hv AckGb ˆbB|
10 cvGéix m†Rbkxj imvqb cÉ^g cò ‰Kv`k-«¼v`k ˆkÉwY
gGWj 10 miKvwi ‰g.wm (ˆgvnvÁÃ` ˆPŒayix) ‰KvGWgx, ˆMvjvcMé, wmGjU
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² cƒYÆgvb: 50
[`ËÓ¡eÅ : Wvb cvGki msLÅv cÉGk²i cƒYÆgvb ævcK| cÉ`î DóxcKàGjv gGbvGhvM w`Gq cGov ‰es cÉ`î AvUwU m†Rbkxj cÉk² ˆ^GK ˆh ˆKvGbv cuvPwU cÉGki² Dîi `vI|]
1. cvò A Mvp H2SO4 K. cÅvivgÅvMGbwUK ˆgŒj Kx? 1
cvò B Mvp NaOH L. Mvp H2SO4 ‰ cvwb XvjGZ ˆbB ˆKb? 2
M. DóxcGKi A I C ‰i nvBWÈvBGWi ÞviagÆxZv eÅvLÅv Ki| 3
cvò C Mvp LiAIH4
K. mvmGcbkb Kx? 1 N. A, B, C I D ‰i chÆvq mviwY wfwîK AvqwbKiY kwÚi cwieZÆb
L. Cd-AeÕ©v¯¦i avZz bq ˆKb? 2 weGkÏlY Ki| 4
M. DóxcGKi A, B I C cvGòi Dcv`vbmgƒnGK KxfvGe msiÞY KiGe 5. A, B I C wZbwU ˆgŒj hvG`i ewntÕ¦Gii BGjKUÇb webÅvm h^vKÌGg
wjL| 3 ns1, ns2 ‰es ns2np5| ‰LvGb, n = 3|
N. B I C cvGòi ˆhŒM«¼Gqi AcwiwgZ eÅenvi gvbeÕ¼vÕ©Å I cwiGeGki K. eÐvwçs Kx? 1
L. ‰Ug BGKvbwg ejGZ Kx eyS? 2
RbÅ ügwK Õ¼i…c wK-bv weGkÏlY Ki| 4 M. CC4 (DóxcGKi C)-‰ we`Ågvb msKixKiY eÅvLÅv Ki| 3
N. A I B ‰i w«¼-abvñK Avqb MVGbi mÁ¿veÅZv hvPvB Ki| 4
2. cvò A = AgCl, Ksp = 1.5 1010 mol2 L2 `ËeY
cvò B = 100 mL, 0.02 M KCl `ËeY 6. N2(g) + 3H2(g) HoooooooooI 2NH3(g), H = ve
cvò C = 100 mL, 0.01 M AgNO3 `ËeY K. Rf Kx? 1
K. mwKÌqb kwÚ Kx?
1 L. 3f AiweUvj AmÁ¿e ˆKb? 2
L. pH ˆÕ•j 014 ‰i gGaÅ mxgve«¬ ˆKb? 2 M. DóxcGKi wewKÌqvwUi Kp ‰i ivwkgvjv MYbv Ki| 3
M. DóxcGKi ‘A’ cvGòi AÁÏxq gƒjGKi mbvÚKvix cixÞv mgxKiYmn N. DcGii wewKÌqv ˆ^GK mGeÆvœP Drcv` cvIqvi kZÆmgƒn weGkÏlY Ki| 4
wjL| 3 7. + 3O2
N. cvò B I C ‰i `ËeY wgwkÉZ KiGj AatGÞc coGe wK- C + 2S CO2 + SO2
bvMvwYwZKfvGe gƒjÅvqb Ki| 4 O2 + 3O2
3.
CS2
K C, S I CS2 ‰i `nb Zvc h^vKÌGg 394.55, 297.39 I 1109.17 kJ/mol
L
M K. cwji eRÆb bxwZ Kx? 1
L. kxZKvGj ˆKvΣKÌxg eÅenvi Kiv nq ˆKb? 2
K. MSDS Kx? 1 M. DóxcGKi Zî½ ˆ^GK CS2 ‰i MVb Zvc wnGme Ki| 3
L. H2SO3 I HNO3 ‰i gGaÅ ˆKvbwU AwaK AÁÏxq ‰es ˆKb? 2 N. DcGii Zî½àGjv ˆnGmi mƒòGK mg^Æb KGi wK-bv MvwYwZKfvGe
M. DóxcGKi L-ˆkGji (cwicƒYÆ) ˆKvqv´Ÿvg msLÅvi ˆmU ŠZwi Ki| 3 gƒjÅvqbKi 4
N. gGWjwU H cigvYyi ˆÞGò cGÉ hvRÅ nGj BGjKUÇbwUi avcv¯¦Gii mgq 8. A = euvkGKvij
Ziã Š`NÆÅ wbYÆq KGi wbMÆZ kwÚ MYbv Ki| 4 B = cvÉ K‡wZK wcRÉ viGfwUf «¼viv msiwÞZ Lv`Å
4. C = K‡wòg wcRÉ viGfwUf «¼viv msiwÞZ Lv`Å
ˆgŒj ˆkÉwY chÆvq K. fiwKÌqv mƒòwU wjL| 1
A 15 2q L. MgCl2 wkLv cixÞvq eYÆ m†wÓ¡ KGi bv ˆKb? 2
B 16 3q M. DóxcGKi A -‰i ˆKŒUvKiY cÉwKÌqv ˆjL| 3
C 15
D 16 N. B I C ‰i gGaÅ ˆKvbwU Õ¼vGÕ©Åi RbÅ AwaK wbivc` eÅvLÅv Ki| 4
kxlÆÕ©vbxq kxlÆÕ©vbxq KGjGRiKGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 wbeÆvPwb cixÞvi Uc 1
ˆMÉW cÉk² I Dîi: m†Rbkxj eüwbeÆvPwb
KÅvGWU KGjGRi cÉk² I Dîi: wbeÆvPwb cixÞv 2019
1. wgRÆvcyi KÅvGWU KGjR, UvãvBj
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. wPwbi `ËeY «¼viv AvGgi ˆKŒUvRvZKiGY ˆh 9. ˆcÉvUb msLÅv 4 wewkÓ¡ ˆgŒjwU ˆh ˆgŒGji 18. wbGPi wewKÌqvq cÉfveK wel wnGmGe KvR
mvG^ ‰KB aiGbi ivmvqwbK ŠewkÓ¡Å ˆ`Lvq KGi ˆKvbwU? 2SO2 + O2 2SO3
mvBwUÇK ‰wmW eÅen†Z nq
Zvi ˆcvÉ Ub msLÅv K Fe
K 35%
L Mo
L 25% K5
M As2O3
M 2.5% L 13
N Pt
N 0.25% M 20
19. ŠRe ˆhŒGMi KvhÆKix gƒjK mbvÚKiGY ˆKvb
2. ˆKvbwU mÁ¿e? N 30 iwkÄwU eÅen†Z nq?
K 1s, 1p 10. ˆKvbwU kwÚkvjx ZworweGkÏlÅ?
K HNO3
L 2p, 2d K UV iwkÄ
L NH4OH
M 6p, 6s M CH3COOH L X iwkÄ
N H2O M Mvgv iwkÄ
N 3d, 3f
11. ˆKvbwU Zvcgvòvi Dci wbfÆikxj bq? N IR iwkÄ
3. Al2O3 ‰i ÞviKZ½ KZ? wbGPi ˆhŒMwU jÞ KGiv ‰es 20 I 21
K ppm ckÉ ²mgƒGni Dîi `vI| [Cu(NH3)4]SO4
K6 20. DcGii DGÍÏwLZ ˆhŒGM Cu ‰i RviY msLÅv
L5 L ˆgvjvwjwU KZ?
M kZKiv cwigvGYi `ËeY
M3 N ˆgvjvwiwU
12. wbGPi ˆKvbwU AÓ¡K bxwZ AYymiY KGi bv?
N2 K +1
K BCl3 L +2
4. cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ ˆKvbwU? M +4
L CCl4 N +6
K AÝvwjK ‰wmW M H2O
L nvBGWÈvGKÑvwiK ‰wmW
M mvjwdDwiK ‰wmW
N bvBwUÇK ‰wmW N CH3Cl 21. DcGi DGÍÏwLZ GhŒGM Cu ‰i mw®²Gek msLÅv
5. Ni2+ (28) ‰i 3d AiweUvGj Ah™y  BGjKUÇb 13. wbGPi ˆKvbwU meÆvwaK mgGhvRx ŠewkÓ¡Å KZ?
c`É kÆb KiGe? K6 L5
msLÅv KZwU?
K CaCl2 M4 N3
K1
L2 L BeCl2 22. wkLv cixÞvq Ca2+ Avqb ˆKvb eYÆ ˆ`Lvq?
M3
N6 M MgCl2 K ˆmvbvwj njy`
N SrCl2
6. NH4Cl -‰ wK wK cKÉ vi e®¬b we`Ågvb? L BGUi gGZv jvj
i. AvqwbK e®¬b 14. ˆKvbwUi cixÞvq NaOH eÅen†Z nq?
M bxjvf meyR
i. Zn2+
ii. Al3+ N ˆeàwb
23. wbGPi ˆKvb ˆRvowU ‰GK AcGii AvBGmvGUvb?
ii. mgGhvRx e®¬b iii. Ca2+
iii. mw®²Gek e®¬b
wbGPi ˆKvbwU mwVK? wbGPi ˆKvbwU mwVK? K 31 32
K i I iii 15 P, 16 S
L ii I iii K i I iii L ii I iii
M i I ii 14 16
N i, ii I iii M i I ii N i, ii I iii L 7 N, 8 O
15. ˆKvqv´Ÿvg msLÅv n = 3, = 2 «¼viv ˆKvb
AiweUvj wbG`Æk KGi? M 30 31
14 Si, 16 S
K 3s
L 3p N 35 33
17 Cl, 16 S
7. `†kÅgvb AvGjvi eÅvwµ¦ ˆKvbwU?
M 3 24. Al2 (SO4)3 ‰i Rjxq `ËeY nGjv
K ckÉ g
K 100380 nm N 3d L AÁÏxq
16. sp msKivqY NGU? M Þvixq
L 180 280 nm K CO N ÞviKxq
M 250 400 nm L C2H4 25. AvqZbwgwZK weGkÏlGY ˆKvbwU eÅen†Z nq bv?
K AvqZbwgwZK dÑvÝ
N 350 780 nm M C2H2 L eÅy GiU
N BF3 M ˆUÕ¡ wUDe
8. wbGPi ˆKvb ˆgŒjwUi AvqbxKiY wefe
meÆvwaK? 17. 0.05 M H2SO4 ‰i pH KZ? N wcGcU
K Mg K0
LP L1
M Ar M2
N Cl N3
Dîi 1 N 2 M 3 N 4 K 5 L 6 N 7 N 8 M 9 M 10 K 11 L 12 K 13 L
14 M 15 N 16 M 17 L 18 M 19 N 20 L 21 M 22 L 23 K 24 L 25 M
2 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
2. iscyi KÅvGWU KGjR
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. ˆKvb KÅvUvqbwU iwOb ˆhŒM MVb KGi? 11. 1.0 L cvGò HA ‰i 70% weGqvwRZ nq, 19. AÁÏxq evdvi ‰i pH wbYÆGhi mwVK mgxKiY
ˆKvbwU?
K Sc3+ L Mg2+ ‰wmGWi Kc ‰i gvb ˆKvbwU?
M Zn2+ N Ni2+ K 1.00 L 1.30 K pH = pKa + log [jeY]
[AÁÏ]
2. ˆKvb ˆgŒjwUi AvqbxKiY kwÚ meGPGq M 1.53 N 1.63
ˆewk? 12. wbGPi wPòwU ˆ^GK cvB [AÁÏ]
K Na LK L pH = pKa + log [jeY]
e®¬b
M Rb N Cs H sp2 sp2 H [jeY]
C sp2 sp2 pH = pKa log [AÁÏ]
3. = 3 ‰i RbÅ gÅvMGbwUK ˆKvqv´Ÿvg msLÅvi C M
gvb KqwU? sp2 e®¬b sp2 [AÁÏ]
H H N pH = pKa – log [jeY]
K3
L5
M7 N0 ‰wU B^vBb AYyi MVb 20. MRI cixÞvi gvaÅGg ˆivM wbYÆGqi ˆÞGò
ˆKejgvò 2pz AiweUvj
4. ˆKvb wewKÌqvi RbÅ, n = 1 ? i. AeÕ©vq ^vGK AmsKwiZ i. MRI ‰i gƒjbxwZ NMR ‰i mvG^
ii. mÁ·wKÆZ
K H2 + I2 = 2HI
ii. MRI cixÞvq IR eÅen†Z nq
L PCl5 XoooooI PCl3 + Cl2
M N2 + 3H2 XoooooI 2NH3 iii. Bnv sp2 msKwiZ iii. MRI cixÞvq ˆeZvi Ziã eÅen†Z nq
N 2NO + O2 XoooooI 2NO3 wbGPi ˆKvbwU mwVK? wbGPi ˆKvbwU mwVK?
5. wbGPi ˆKvb ˆKvqv´Ÿvg msLÅvi ˆmUwU mÁ¿e K i I ii L i I iii K i I ii L i I iii
bq? M ii I iii N i, ii I iii M ii I iii N i, ii I iii
K n = 1, = 1, m = 0, s = + 1 13. ˆKvb evdviwU iGÚi pH wbq¯¨Y KGi? 21. wbGPi ˆKvbwU AwaK kwÚkvjx AÁÏ?
2 K HNO3 L HIO3
K CH3COOH/CH3COONa
L n = 3, = 1, m = 0, s = 1 L NH4OH/NH4Cl M H3PO4 N HClO4
2 M H2CO3 / NaHCO3 22. AB3 ‰i `ËveÅZv àYdj 1.7 10–22 nGj
M n = 2, = 1, m = 1, s = + 1 N CH3COOH/HCO3 `ËveÅZv KZ?
2
14. wewKÌqvi nvGii ‰KK ˆKvbwU? K 6.3 10–14 molL–1
N 1
n = 4, = 3, m = 2, s = 2 K molL–1s L Lmol–1 s–1 L 2.5 10–7 molL–1
6. cvÉ K‡wZK msiÞK ˆKvbwU? M molL–1 s–1 N L2mol M 5.0 10–4 molL–1
K jeY L AÅvjGKvnj 15. AB2 ‰i `ËveÅZv S nGj Ksp ‰i gvb ˆKvbwU? N 5.0 10-3 molL–1
23. wbGPi ˆKvbwU wjMÅv´£ bq?
M wfGbMvi N digvwjb K S2 L 4S3 K NH3 L NaCl
7. NH4+ ‰i ˆK±`Êxq ˆgŒGji AiweUvj msKivqb M 27S4 N 108S5 M AÅvjGKvnj N H2O
ˆKvbwU? 16. wbGPi wPòwU jÞ KGiv ‰es ciewZÆ `yBwU
H1 cGÉ k²i Dîi `vI|
K sp L sp2 AB
100 H2 I I2 nËvm cvq
M sp3 N sp3d
80
8. wbÁw² jwLZ ˆhŒGM ˆKvb msKivqbwU we`Ågvb? 60
Dîi H3 H5 H2 40
D
% NbgvòvB^vBb 20 HI ‰i e†w«¬ cvq
K sp2d HC CH C H4 0
M sp2 L sp
N sp3 DóxcGK 0 12
time/s
9. wbÁw² jwLZ wPòwUi D`vniY ˆKvbwU? i. H3 + H4 = H1 + H2 24. mÁÃyL wewKÌqvi ˆeM ‰es cøvr wewKÌqvi ˆeM
K H2O L NH3 ii. H1 = H3 + H5 mgvb nGj wewKÌqvwU
M BeCl2 N CO2 iii. H4 = H5 + H2 K mvgÅveÕ©vq ˆcuŒGQ ˆMGQ
L e®¬ nGqGQ
wbGPi ˆKvbwU mwVK?
K i I ii L i I iii M ‰KB AeÕ©vq iGqGQ
A M ii I iii N i, ii I iii N nËvmZi nGqGQ
25. H2(g) + I2 (g) XoooooI 2HI (g)
17. ˆKvbwU ˆhŒMwU AwaK mgGhvRx?
wbGPi wewKÌqvwU cGov ‰es `yBwU cGÉ k²i Dîi K AgCl ‰LvGb,
`vI: L AgF i. wewKÌqvi ˆeM mgGqi mvG^ mvG^ nËvm cvq
M AgI N AgBr ii. HI ‰i Drcv`b e®¬ nGqGQ
HA + H2O XoooooI A- + H3O+ 18. UÅvj&K ‰i ivmvqwbK msGKZ ˆKvbwU? iii. mvgÅveÕ©v MwZkxj cKÉ ‡wZi
10. Abye®¬x AÁÏ-ÞviK ˆRvo ˆKvbwU? wbGPi ˆKvbwU mwVK?
K 3Al2O3. 4SiO2.H2O
K HA, H2O L HA,A– L 3MgO.4SiO2. H2O K i I ii L i I iii
M A, H3O+ N H2O, A– M 3Al2O3.2SiO2. 2H2O
N MgO. 2 SiO2. 2H2O M ii I iii N i, ii I iii
1 N 2 K 3 M 4 N 5 K 6 K 7 M 8 L 9 N 10 L 11 N 12 N 13 M
14 M 15 L 16 N 17 M 18 L 19 * 20 L 21 N 22 * 23 L 24 K 25 L
* we.`Ë.: 19. mwVK Dîi nGjv K I N| 22. mwVK Dîi nGjv 1.584 10–6 mol L–1|
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi: wbeÆvPwb cixÞv 2019 3
3. KzwgÍÏv KÅvGWU KGjR
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. wbGPi ˆKvb AvqbwU AÅvGgvwbqvg AÝvGjU 9. ˆKvb iwkÄi Ziã-msLÅv meGPGq Kg? wbGPi ˆKvbwU mwVK?
eÅenvi KGi mbvÚ Kiv hvq? K UV K i L i I ii
K Na+ L IR M ii I iii N i, ii I iii
L Ca2+
M Zn2+ M ˆjvwnZ wbGPi DóxcKwU jÞ KGiv ‰es 18 I 19 bs
N NH4+
NX cGÉ k²i Dîi `vI:
2. ˆKvbwU mvbwÕ˜b ˆjvkb ŠZwiGZ eÅen†Z nq?
10. `ya nGjv MÉ‚c 14 16 17
K `ËeY
K Na2O chÆvq
L Bgvjkb
L ZnO 2 X QR
M ˆRj
M Al2O3 3Z
N CuO N mvmGcbkb
11. ˆKvbwU `yeÆjZg AÅvwmW? 18. DóxcGKi ˆKvb cigvYyi AvKvi meGPGq
3. Lv`Å cPGbi KviY nGjv ˆQvU?
4. K H3PO4
i. wjwcGWi DcwÕ©wZ L H2SO4 KX
M HClO4 LQ
ii. LvG`Åi RviY MR
N HNO2 NZ
iii. AÅvw´ŸAwÝGWG´Ÿi NvUwZ
wbÁ²wjwLZ DóxcKwU jÞ KGiv ‰es 12 I 13 bs 19. DóxcK AbymvGi
wbGPi ˆKvbwU mwVK? cGÉ k²i Dîi `vI: i. X ‰i nvBWÈvBGWi e®¬b ˆKvY Q ‰i
ˆPGq ˆewk
K i I ii L ii I iii C12H22O11 + H2O BbfviGUR [A + B] ii. Zwor FYvñKZv R > Z
iii. BGjKUÇb AvmwÚ R < Z
M i I iii N i, ii I iii RvBGgR [L + M] RviY E + H
12. A ˆhŒMwU Kx?
‰KwU cj-eywã eÅvGj´Ö 5mg ivBWvi eÅen†Z
nGj cwigvGci cwimi wbGPi ˆKvbwU?
K 0.1 L 0.005 K ™ÏyGKvR L AÅvjGKvnj wbGPi ˆKvbwU mwVK?
M 0.0001 N 0.000001
5. ˆKvb Rjxq `ËeYwU LiAlH4 eRÆÅ a»sm M AÅvjwWnvBW N ‰wmW
13. E ˆhŒGMi `ËeYwU eÅen†Z nq? K i I ii L ii I iii
KiGZ eÅen†Z nq? M i I iii N i, ii I iii
i. Lv`Å msiÞK wnmvGe
K Na2CO3 L NaHSO4 ii. ™Ïvm wKÑbvGi 20. HClO4 ‰i ÞviKZ½ KZ?
M Na2SO4 N NaHCO3
K1 L2
6. Rjxq AeÕ©vq ˆKvb AÝvBGWi pH 7 ‰i iii. UqGjU wKÑbvGi
M3 N4
ˆewk? wbGPi ˆKvbwU mwVK? 21. eybGmb wkLvq eYÆ ˆ`q ˆKvbwU?
K SiO2 L K2O K i L i I ii K Be L Sr
M SO3 N P2O5 M ii I iii N i, ii I iii M Mg N Hg
7. ˆmwggvBGKÌv weGkÏlGY 14. wbÁ²wjwLZ cwÉ KÌqvàGjvi gGaÅ ˆKvbwU Zvc 22. wbGPi ˆKvb `ËeYwUi pH mGeÆvœP?
i. 10 mg ˆ^GK 100 mg Drcv`x? K 0.005M H2SO4
ii. 1 mL ˆ^GK 2 mL K evÓ·xKiY L 0.01 M HCl
iii. 0.2 mL ˆ^GK 1.0mL L Nbxfeb M 2.5% NaOH
wbGPi ˆKvbwU mwVK? M Ea»ÆcvZb N 0.02 M KOH
K i I ii L ii I iii N Mjb 23. Õ¹zUbvGâi cv^ÆKÅ KZ ‰i ˆewk nGj
M i I iii N i, ii I iii AvswkK cvZb cGÉ hvRÅ?
15. KClO3 ˆ^GK AwÝGRb ŠZwii mgq ˆKvbwU K 20C
wbGPi DóxcKwU cGov ‰es 8 bs cÉGk²i Dîi abvñK cÉfve wnGmGe eÅen†Z nq?
`vI: L 40C
K CaO
M 60C
L H2SO3
N 80C
M MnO2
24. meyR imvqGbi gƒjbxwZ
N HBr i. meÆvwaK AÅvUg BGKvGbvwg
16. chÆvq mviwYGZ AavZzàGjv ˆKvb eÐGK ivLv ii. wbivc` `ËveGKi eÅenvi
iii. mnGR fvãbGhvMÅ DrcvG` cwiYZ Kiv
wPò-A wPò-B wPò-C nq?
8. jÅveGiUwiGZ msiÞGYi RbÅ Ks wbGPi ˆKvbwU mwVK?
Lp
i. B ˆK KOH cvGò eÅenvi Kiv nq Md K i I ii L ii I iii
Nf
ii. C hyÚ ˆhŒM k¼mbZG¯¨i ÞwZ KiGZ cvGi M i I iii N i, ii I iii
17. nvBGWvGRb e®¬b c`É vb KGi
iii. ˆiWb MÅvm aviK eÅen†Z nq i. DNA ‰i Õ©vwqZ½ 25. 4f AiweUvj KZwU BGjKUÇb aviY KiGZ
ii. mywZi KvcGoi `†pZv
wbGPi ˆKvbwU mwVK? iii. cvwbGZ wPwbi `ËeYxqZv cvGi?
K i I ii L ii I iii K2 L6
M i I iii N i, ii I iii M 10 N 14
Dîi 1 L 2 L 3 N 4 M 5 M 6 L 7 K 8 N 9 L 10 L 11 N 12 K 13 K
14 L 15 M 16 L 17 N 18 M 19 N 20 K 21 L 22 M 23 K 24 N 25 N
4 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
4. ˆdbx MvjÆm KÅvGWU KGjR
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. Z½GK ‰wmW coGj ˆKvb `ËeYwU eÅen†Z nq? 9. 0.005M w«¼AÁÏxq ÞviGKi pH KZ? 17. ˆKvb AÝvBWwUi Rjxq `ËeY AwaK AÁÏxq?
K 5% Na2CO3 K 10 K CO
L 5% KOH
M 5% NaOH L 11 L CO2
N NaHCO3 M 12 M SiO2
2. jÅveGiUwiGZ ˆKvbwU Kiv DwPZ bq? N 13 N P2O5
i. LvIqv `vIqv 10. ˆKvbwU AwaKZi kwÚkvjx AÁÏ? 18. ˆKvbàGjv msiÞK wnGmGe eÅen†Z nq?
K HNO3 i. CH3COOH
ii. cvb Kiv L H3PO4 ii. BHA, BHT
iii. k¼vm-ckÉ ¼vm ˆbqv M HClO4 iii. CH3OH
wbGPi ˆKvbwU mwVK?
N H2SO4 wbGPi ˆKvbwU mwVK?
K i I ii L ii I iii 11. A2B3 ‰i `ËveÅZv S nGj Ksp ‰i gvb KZ? K i I ii L ii I iii
M i I iii N i, ii I iii K 8S3 M i I iii N i, ii I iii
L 16S4
3. ˆKvb AiweUvjwU mÁ¿e? 19. ˆKvb wbwÓ˜q MÅvmwU p-eÐK bq?
M 108S5
K 3f N 216S6 K He
L 3d 12. Fe(CN)6 ‰i ˆK±`Êxq cigvYywUGZ ˆKvb L Ne
msKivqb NGU?
M 2d M Ar
K d2sp3
N 1p L dsp2 N Kr
4. wbGPi ˆKvb AvqbwU AwaK Õ©vqx? M sp wbGPi DóxcKwU cGov ‰es 20 I 21 bs cGÉ k²i
N sp2d
K Fe2+ Dîi `vI:
DóxcKwU cGov ‰es 13 I 14 bs cÉGk²i Dîi
L Ni2+ `vI: HA + H2O XoooooI A– + H3O+
20. ˆKvbwU ˆRvowU Abye®¬x AÁÏ ÞviK?
M Cu+
K HA, H2O
N Cu2+
wbGPi DóxcKwU jÞ KGiv ‰es 5 I 6 cGÉ k³i
KÅvUvqb weKviK iO L HA,A
Dîi `vI: M A– , H3O+
ˆkÉwY 1 2 X2+ K4[Fe(CN)6] mv`v N H2O, A–
chÆvq X Y
Y2+ jvjGP 21. 1L cvGò HA ‰i 70% weGqvwRZ nq| Kc
3 ‰i gvb KZ?
Z2+ Mvp bxj
K1 L 1.30
4 P Q 13. DóxcGK Y nGjv
5. Q ˆgŒGji meÆewnÕ© AiweUvGji ˆPŒÁ¼Kxq K Fe M 1.53 N 1.63
L Zn
ˆKvqv´Ÿvg msLÅvi gvb KZ? 22. `yGai cÉavb ˆcvÉ wUb ˆKvbwU?
M Cu N Ca
K ˆKGivwUb
K 1 14. DóxcGKi nGZ cvB
L wjwcW
L0 i. Õ©vqxZ½ KÌg; Z3+ > Z2+ M ˆKwmb
N jÅvKUveywgb
M +1 ii. X ‰es Y ‰i ˆhŒMàGjv iwOb 23. DfagÆx ˆKvbwU?
iii. Y ‰es Z AeÕ©v¯¦i ˆgŒj
N +2 wbGPi ˆKvbwU mwVK?
K i I ii
6. DóxcK AbymvGi L ii I iii
M i I iii
7. i. mKj ˆgŒj wkLv cixÞv ˆ`q bv N i, ii I iii K NH3
8. 15. UÅvjKg cvDWvi ‰i caÉ vb Dcv`vb Kx? L HCO3–
ii. Q mbvÚKiGY AÅvGgvwbqvg AÝvGjU M H3O+
K CaCO3
eÅen†Z nq| N CO23
L ˆevwiK ‰wmW
iii. X ‰i nvBGWÈvÝvBWàGjv Y ‰i Zzjbvq M UÅvÍ• 24. ˆKvbwUi ˆcvjvivqb ÞgZv meGPGq ˆewk?
`yeÆj ÞviK| N MgCO3 K Li2+
wbGPi ˆKvbwU mwVK?
16. AÓ¡K AcƒYÆ ˆhŒM nGjv L Mg2+
K i I ii L ii I iii
i. H2O M Al3+
M i I iii N i, ii I iii N Ca2+
ivmvqwbK cixÞvMvGi eÅen†Z eyGiGUi ii. BCl3
25.
iii. NCl3
cwigvGci Þ`z ËZg gvb ˆKvbwU? ˆgŒj MÉ‚c chÆvq
wbGPi ˆKvbwU mwVK?
K 0.005 mL K i I ii A 14 2
L ii I iii
L 0.01 mL B 16 2
M 0.1mL DóxcGKi ˆgŒjàGjv «¼viv MwVZ ˆhŒGMi Rjxq
N 0.001mL `ËeGYi cKÉ ‡wZ Kx nGe?
ˆKvbwUi AvqbxKiY kwÚ ˆewk? K AÁÏxq
L ÞviKxq
K Be M ckÉ g
LC M i I iii
MN N i, ii I iii N DfagÆx
NO
1 N 2 K 3 L 4 K 5 L 6 K 7 M 8 M 9 M 10 M 11 M 12 K 13 MDîi
14 M 15 M 16 * 17 N 18 K 19 K 20 L 21 N 22 M 23 L 24 M 25 K
* we.`Ë.: 16. mwVK Dîi nGjv ÷ay (ii)|
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 1
kxlÆÕ©vbxq KGjGRi wbeÆvPwb cixÞvi Uc ˆMÉW
cÉkc² ò: m†Rbkxj iPbvgƒjK
KÅvGWU KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 welq ˆKvW: 1 7 6
1. wgRÆvcyi KÅvGWU KGjR, UvãvBj
imvqb: cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. K. caÉ vb ˆKvqv´Ÿvg msLÅv Kx? 1
L. Fe2+ ‰i ˆÞGò üG´£i bxwZwU eÅvLÅv KGiv| 2
M. DóxcGKi cigvYy gGWjwU mxgve«¬Zvmn eÅvLÅv KGiv| 3
N. DóxcGKi 'A' wPGò BGjKUÇb meÆewnÕ© kwÚÕ¦i ˆ^GK 2q kwÕ¦Õ¦Gi
500 mL ˆbGg AvmGj wbMÆZ AvGjvK iwkÄi Ziã‹`NÆÅ ‰es eYÆ wbYÆq KGiv| 4
K2Cr2O7
5.
wPò-A wPò-B wPò-C MÉ‚c 14 15 16 17
K. cvBGiÝ ™Ïvm Kx? 1 chÆvq
L. KwÕ¡K ˆmvWv ˆmGK´£vwi Õ¡Åv´£vWÆ c`v^Æ ˆKGbv? 2 2q X Y Z Q
M. wPò-C ‰i ˆgvjvi `ËeGY KZ MÉvg `Ëe `Ëexf„Z iGqGQ? 3 3q R M
N. wPò 'A' ‰es 'B' ‰i gGaÅ cgÉ vY `ËeY ŠZwiGZ ˆKvbwU AwaK DcGhvMx? K. Zwor FYvñKZv Kx? 1
weGkÏlY KGiv| 4
2. 10mL 0.1M AÅvwmwUK ‰wmW ‰es 4mL 0.1M NaOH ˆK ‰KwU
L. 2d AiweUvj AmÁ¿e ˆKGbv? 2
cvGò ˆgkvGbv nGjv|
M. DóxcGKi Y , Z ‰es Q ˆgŒjàGjvi ˆÞGò AvqbxKiY wefGei wf®²Zv
K. cfÉ veK DGîRK Kx? 1
eÅvLÅv KGiv| 3
L. HNO2 ‰wmW H3PO3 ‰wmW AGcÞv AwaK kwÚkvjx ˆKGbv? 2
M. DóxcGKi ÞviKwUi pH wbYÆq KGiv| 3 N. RM4 Av`ËÆ weGkÏwlZ nq wK¯§ XM4 nq bv weGkÏlY KGiv| 4
N. DóxcGKi wgkÉGY mvgvbÅ ‰wmW ev Þvi ˆhvM KiGj wgkÉGYi pH 6. AB5(g) XoooI AB3(g) + B2(g) ; H = + Ve ‰LvGb, 25C Zvcgvòv
KxfvGe AcwiewZÆZ ^vGK? hywÚ `vI| 4 ‰es 1atm PvGc AB5 (g) ‰i weGqvRb gvòv 80%|
3. 25C Zvcgvòvq wZbwU cvGò wZbwU wf®² c`vG^Æi Rjxq `ËeY K. `ËeY Zvc Kx?
wbGÁ²vÚfvGe ˆbIqv nGjv| 1
L. ivmvqwbK mvgÅveÕ©vi Dci cfÉ veGKi ˆKvGbv f„wgKv ˆbBeÅvLÅv
5mL 0.1 M 10mL 0.25 M FeCl3 1mL 0.5 M NH4OH KGiv| 2
Al[OH]3
M. DóxcGKi wewKÌqvwUi RbÅ Kp ‰i gvb wbYÆq KGiv| 3
AB C N. AB3 (g) ‰i cwigvY mGeÆvœP KiGZ wK wK c`GÞc ˆbIqv ˆhGZ cvGi?
‰LvGb, Al(OH)3 ‰es Fe(OH)3 ‰i Ksp h^vKÌGg 3.710-11 ‰es 3.74 10–38| weGkÏlY KGiv| 4
K. mgAvqb Kx? 1 7. AvL A (myGKÌvR) B (ŠRe ‰wmW)
L. ZnO ‰KwU DfagÆx AÝvBW eÅvLÅv KGiv| 2
M. DóxcGKi 'A' ˆZ AewÕ©Z c`v^ÆwUi `ËveÅZv wbYÆq KGiv| 3 K. dzW ˆjKvi Kx? 1
N. DóxcGKi 'B' ‰es 'C' `ËeY«¼qGK ‰KGò ˆgkvGbv nGj, ˆKvGbv L. KuvPv Avg msiÞGY eËvBb eÅen†Z nq ˆKGbv? 2
Aa:ˆÞc coGe wKbv? weGkÏlY KGiv| 4 M. 'A' nGZ 'B' cÕÉ §ZKiY mgxKiYmn AvGjvPbv KGiv| 3
4. N. DóxcGKi A ‰es B ‰i gGaÅ gvQ msiÞGY ˆKvb c`v^ÆwU Dîg?
K weGkÏlY KGiv| 4
L
M 8. X (PCl5), Y (NH3), Z (H2O) 1
2
wPò : A K. g†rÞvi avZz Kx? 3
L. STP ˆZ CHCl3 Zij AeÕ©vq ^vGK ˆKGbv? 4
M. DóxcGKi X- ˆhŒMwUi nvBweËWvBGRkb c«¬wZ AvGjvPbv KGiv|
N. Y ‰es Z AYymgƒGni e®¬b ˆKvGYi Zzjbv KGiv|
2 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk²cò imvqb cÉ^g cò
2. iscyi KÅvGWU KGjR welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. H cigvYyi BGjKUÇGbi PZz^Æ AiweGUi eÅvmvaÆ 8.45 10–10m M. 30C Zvcgvòv ‰es 1 atm PvGc A2B4 ‰i ˆÞGò, Kp = 0.50 atm,
cigvYywUi w«¼Zxq ‰es Z‡Zxq ˆevi KÞcG^i ‰KwU BGjKUÇGbi kwÚ weGqvRb gvòv wbYÆq KGiv| 3
h^vKÌGg 5.42 10–12 erg ‰es 2.41 10–12 erg| (BGjKUÇGbi fi, em N. AF3 Av`ËÆweGkÏwlZ nq bv wK¯§ ACl3 cvwbGZ Av`ËÆweGkÏwlZ nq| DchyÚ
= 9.109 10–31kg ‰es h = 6.626 10-27ergs)
KviY ˆ`LvI| 4
K. ˆc´Ÿv AÅvwgGbvKvGeÆvGbGUvGKvevΟ (III) ˆKÑvivBW ‰i AvYweK msGKZ 6. (i) X2 (g) + Y2 (g) XoooooI 2 XY (g)
ˆjGLv| 1 (ii) A2 (g) + 3 B2 (g) XoooooI 2AB3 (g) ; H = Ve 1
K. mKj p AiweUvj Aâb KGiv|
L. Av¯¦:AvYweK ‰es A¯¦:AvYweK nvBGWÈvGRb e®¬b eÅvLÅv Kˆiv| 2
L. ZxeË ‰wmW ‰es ZxeË ÞvGii cÉkgb Zvc aË‚e ˆKGbv? 2
M. DóxcGKi PZz^Æ AiweUvGji BGjKUÇbwUi MwZGeM wbYÆq KGiv| 3
M. DóxcGKi (i) bs mgxKiGYi RbÅ Kp ‰es Kc ‰i ivwkgvjv wbYÆq
N. BGjKUÇbwU 3q Õ¦i ˆ^GK 2q Õ¦Gi AvmGj wewKwiZ kwÚi Ziã‹`NÆÅ
KGiv| 3
wbYÆq KGiv| 4
N. jv kvGZwjGq bxwZ Abyhvqx DóxcGKi (ii) bs wewKÌqvwUGZ mGeÆvœP
2. wPwb (A) H2O C6H12O6 RvBGgm B (l) RviY C
Drcv` cÉvwµ¦ MvwYwZKfvGe weGkÏlY KGiv| 4
K. ˆKvqvàGjkb Kx? 1 7.
L. ™Ïvm wKÐbvGi KwÕ¡K ˆmvWv eÅen†Z nq bv ˆKGbv? 2 @@
2p
M. DóxcGKi C nGZ A cÕÉ §wZi gƒjbxwZ AvGjvPbv KGiv| 3 @@ @@
E sp3
N. C «¼viv Lv`Å msiÞY c«¬wZ weGkÏlY KGiv| 4 L
2s
3. PCl5 (g) XoooI PCl3 (g) + Cl2 (g); 25C Zvcgvòv ‰es 1atm PvGc
PCl5 ‰i 80%. weGqvwRZ nGq PCl3 ‰es Cl2 Drc®² nq| K. BGjKUÇb AvmwÚ Kx? 1
K. ckÉ gb Zvc Kx? 1 L. MgCl2 ‰es CaCl2 ‰i gGaÅ ˆKvbwU AwaK mgGhvRx cÉK‡wZi? ˆKGbv?2
L. Zn AeÕ©v¯¦i ˆgŒj bq ˆKGbv? 2 M. DóxcGKi wPò AbymvGi CH4 ‰i sp3 nvBweËWvBGRkb eÅvLÅv KGiv| 3
M. DchyÆÚ wewKÌqv nGZ Kp ‰i gvb wbYÆq KGiv| 3 N. ˆKejgvò sp2 ‰es sp nvBweËWvBGRkGb e®¬b ˆ`Lv hvq| hG^vchyÚ
N. 70C Zvcgvòv ‰es 1.75 atm PvGc PCl5 ‰i 25% weGqvwRZ nGj, Kp MVGbi mvnvGhÅ eÅvLÅv KGiv| 4
‰es Kc ‰i gvb wbYÆq KGiv (R = 0.082 LatmK–1 mol–1) 4 8.
4. wbGPi ˆhŒMàGjv jÞ KGiv| log K
(A) CH4 (B) C2H2 (C) NH3 1 Xvj = E H2 I I2
2.303R 100 nËvm cvq
K. mvmGcbkb Kx? log A
% Nbgvòv 80
L. 0.0125 M Na2CO3 ‰i pH wbYÆq KGiv| 2 60
M. B ˆhŒMwUi nvBweËWvBGRkb c«¬wZ AvGjvPbv KGiv| 3 40
1 K1 20 HI ‰i e†w«¬
T 0
N. A I C ˆhŒGMi MvVwbK wf®²Zv nvBweËWvBGRkGbi gvaÅGg weGkÏlY
0 12
KGiv| 4 wPò : A
wPò : B time/s
5. K. wjMÅv´£ Kx? 1
He L. ˆnGmi mƒòwU eÅvLÅv KGiv| 2
A BF Ne M. DóxcGKi wPò B- ˆZ ivmvqwbK mvgÅveÕ©vi MwZkxj cKÉ ‡wZ ˆ`LvGbv
C S Cl Ar nGqGQ-AvGjvPbv KGiv| 3
K. Ag ‰i BGjKUÇb webÅvm ˆjGLv| 1 N. y = mx + c mƒGòi AvGjvGK DóxcGKi wPò A- ˆK weGkÏlY KGiv|
L. MgCl2 ‰i Mjbvâ NaCl ‰i ˆPGq Kg ˆKGbv? 2 ˆhLvGb cÉwZwU Dcv`vb Õ¼Z¯¨| 4
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 3
3. KzwgÍÏv KÅvGWU KGjR welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. N. DóxcGKi (i) I (ii) bs ˆhŒGMi MVbvK‡wZ ‰KB nGjI ‰KwU ˆhŒM
WvqvgÅvMGbwUK I AciwU cÅvivgÅvMGbwUK ˆKGbv? msKivqbmn
eÅvLÅv KGiv| 4
5. (i) KÅvUvqGbi AvKvi: X2+ < Y2+ < Z2+
(ii) AÅvbvqGbi AvKvi: R– < M– < Q 1
K. mvmGcbkb Kx?
L. ‰bRvBgGK ŠRe cÉfveK ejv nq ˆKb? 2
M. DóxcGKi YQ2 ˆhŒMwU YR2 ‰i ˆPGq ˆewk mgGhvRx eÅvLÅv KGiv| 3
(i) (ii) (iii) N. ZCO3, XCO3 I YCO3 ‰i gGaÅ ˆKvbwU ˆewk Zvcmn? 4
6.
K. evÓ·cvZb Kx? 1 wewKÌqv 35C ‰ nvi aË‚eK 60C ‰ nvi aË‚eK
L. ZnO ˆKb DfagÆx AÝvBW? 2 AB5 AB3 + B2 3.46 10–5 4.65 10–3
M. (iii) bs h¯¨wUGK KxfvGe evÓ· «¼viv Zvc ˆ`Iqv hvqeÅvLÅv KGiv| 3 H = + Zvc
N. AvqZbwgwZK weGkÏlGY DóxcGKi (i) I (ii) bs h¯¨ `yBwU eÅen†Z nq K. ˆbmjvi weKviK Kx? 1
ˆKb? weGkÏlY KGiv| 4 L. ™Ïvm wKÑbvGi KwÕ¡K ˆmvWvi e`Gj AÅvGgvwbqv eÅenvi Kiv nq ˆKGbv
2. 'X' cigvYyi BGjKUÇb webÅvm wbGÁ² ˆ`Iqv nGjv:
eÅvLÅv KGiv| 2
1s 2s 2p
M. DóxcGKi wewKÌqvwUi mwKÌqb kwÚ ˆei KGiv| 3
N. ˆKvb kGZÆ DóxcGKi wewKÌqv ˆ^GK mGeÆvœP B2 Drcv`b Kiv hvGe
e1 e2 weGkÏlY KGiv| 4
K. ˆmwg gvBGKÌv weGkÏlY Kx? 1 7.
L. eid cvwbGZ fvGm ˆKGbv? 2
M. DóxcGKi 'X' cigvYyi AvqbxKiY kwÚ bvBGUvÇ GRGbi ˆPGq Kg
ˆKGbv? eÅvLÅv KGiv| 3 1.5M NH4OH Kb = 1.75105
0.86M NH4Cl
N. e1 I e2& ‰i RbÅ cwji eRÆb bxwZ cGÉ hvRÅ nGe bvwK nGe bv weGkÏlY
1L `ËeY
KGiv| 4
3.
(i)
XYBY
(i) H2SO4 + NaOH Drcv`, H = x
BaSO4 BaSO4 AÁÏxq Þvixq (ii) H2CO3 + KOH Drcv`, H = y 1
0.01M Cu2+ ‰es Zn2+ Cu2+ ‰es Zn2+ 2
we÷«¬ H2O K. ˆKvqvàGjkb Kx? 3
BaCl2 `ËeY `ËeY L. AeÕ©v¯¦i avZz iwOb ˆhŒM MVb KGi ˆKGbv?
M. DóxcGKi (i) bs `ËeGYi pH Gei KGiv| 4
K. `ËveK wbÓ•vkb Kx? 1 N. DóxcGK 'y' ‰i gvb 'x' ‰i ˆPGq Kg ˆKGbv weGkÏlY KGiv|
L. HClO4 I HBrO4 ‰i gGaÅ ˆKvbwU ZxeË ‰wmW ‰es ˆKb? 2 8. 1g cwÉ KÌqv
M. 'Y' ‰ BaSO4 ‰i `ËveÅZv, 'X' ‰ `ËveÅZvi ˆPGq Kg ˆKGbv?
MvwYwZKfvGe weGkÏlY KGiv| 3
N. DóxcGKi B `ËeGY ‰KwU KÅvUvqGbi AatGÞc cGo, wK¯§ C `ËeGY Lv`Å miGeU I ˆeRbGqU ˆhŒM Lv`Å cÉwKÌqvRvZKiY
Dfq AvqbB AatwÞµ¦ nq ˆKGbv? weGkÏlY KGiv| 4 2q cÉwKÌqv
4.
(I) (II) (III)
ˆgŒj ˆkl KÞcG^i ˆhŒM ev Avqb
Lv`Å evÐ wçs wPwb I jeY ˆhvM ‰MRwÕ¡s wiUwUÆs
BGjKUÇb webÅvm
Y ns2np1 n =3 (i) YCl3
Z (n-1) d6ns2 n =4 (ii) [Z(CN)6]4
(iii) [Z(CN)6]3 Lv`Å cÉwKÌqvRvZKiY
K. meyR imvqb Kx?
1 K. [Co(NO2)3 (NH3)3] ‰i bvg Kx? 1
L. ˆnGmi Zvc mgwÓ¡KiY mƒòwU weGkÏlY KGiv| 2 L. O2 AYyGZ wmMgv I cvB e®¬b DfqB cvIqv hvq eÅvLÅv KGiv| 2
M. DóxcGKi (i) bs ˆhŒMwU WvBgvi MVb KGi ˆKb eÅvLÅv Ki| 3 M. w«¼Zxq cÉwKÌqvwUGZ (I), (II) I (III) avGci ài‚Z½ eÅvLÅv KGiv| 3
N. DóxcGKi ˆKvb cwÉ KÌqvwU Õ¼vGÕ©Åi RbÅ wbivc`-ˆZvgvi gZvgZ `vI|4
4 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk²cò imvqb cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU 4. ˆdbx MvjÆm KÅvGWU KGjR welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
1. m†Rbkxj cÉk² gvb: 50
5.
100 mL 30 mL A+B
0.1 M 0.1 M
CH3COOH NaOH cvò-C
cvò-A cvò-B
AB
K. mvmGcbkb Kx? 1 K. ˆgvjvwiwU Kx? 1
L. ˆmGK´£vwi Õ¡Åv´£vWÆ c`v^Æ ejGZ wK ˆevS? 2
L. ˆnGmi mƒò «¼viv Kx ˆevSvq? 2 M. 'A' ‰i cwiÓ•vi ˆKŒkj AvGjvPbv KGiv| 3
N. DóxcGKi ˆKvb h¯¨wU ZiGji AvqZb mwVKfvGe gvcGZ cvGi? 4
M. A-cvGòi pH ˆei KGiv| (Ka = 1.8 10-5 at 25C) 3
N. “DóxcGKi C-cvGòi `ËeGY A͸ cwigvY H+ I OH– ˆhvM KiGj pH
AcwiewZÆZ ^vGK” weGkÏlY KGiv| 4 6. K2HgI4 KOH
B
2. 20C Zvcgvòvq MN ‰i Ksp = 3.5 10–4 I PQ ‰i Ksp = 2.5 10–2 A
MN PQ X2SO4 + (A + B) ev`vgx AatGÞc
jeY jeY K. AvBGmvevi Kx? 1
0.3M 0.01M L. üG´£i wbqg wee†Z KGiv| 2
K. kwÚÕ¦i Kx? 1 M. DchyÚ wewKÌqvmn 'X' mbvÚ KGiv| 3
L. wmMgv I cvB e®¬Gbi gGaÅ cv^ÆKÅ ˆjGLv| 2 N. DóxcGKi `ËeGYi cwieGZÆ Ba(OH)2 `ËeY eÅenvi KiGj wK ˆKvb
M. 20C ‰ MN ‰i `ËveÅZv wbYÆq KGiv| 3 mgmÅv nGZv? weGkÏlY KGiv| 4
N. DóxcGKi `yBwU `ËeY wgwkÉZ KiGj AatGÞc coGe Kx? eÅvLÅv KGiv|4 7.
3. 300K Zvcgvòvq ‰es 1.5 atm PvGc 1.2 mol Q I 0.8 mol R ‰i
MÉ‚c
wewKÌqvwU 2L cvGò msNwUZ nq| mvgÅveÕ©vq 0.6 mol QR Drc®² nq|
chÆvq 1 17
wewKÌqvwU wbGÁ² ˆ`Iqv nGjv:
Q2 (g) + R2 (g) XoooooI 2QR (g) H = Ve 2q X
K. fi wKÌqvi mƒòwU wee†Z KGiv| 1 3q P Y
L. mvgÅaË‚eGKi gvb KLGbv kƒbÅ ev Amxg nq bv ˆKGbv-eÅvLÅv KGiv| 2 4^Æ Z
M. Kp I Kc ‰i gvb ˆei KGiv| 3 K. AGUv cÉfveK Kx? 1
N. QR ‰i mGeÆvœP Drcv`Gbi RbÅ wK wK c`GÞc wbGZ nGe? KviYmn L. ‰Ug BGKvbwg eÅvLÅv KGiv| 2
eÅvLÅv KGiv| 4 M. 'Y' ‰i BGjKUÇb AvmwÚ 'X' ‰i ˆPGq ˆewk eÅvLÅv KGiv| 3
4. 2 KvebÆ wewkÓ¡ B wjKvi KwÕ¡K N. PY I PZ ‰i AvqwbK ŠewkÓ¡ÅmgƒGni Zzjbv KGiv| 4
ˆmvWv
ŠRe ‰wmW M=17 8. A2+ = [Ne] 3s0 B2+ = [Ar] 4s0 C3+ = [Ne] 3s0 3p0 1
B C 2
A K. cfÉ veK wel Kx?
K. MSDS Kx?
1 L. "R ‰i gvb memgq 1 ‰i ˆPGq Kg” eÅvLÅv KGiv|
L. ‰wmGWi weGqvRb aË‚eK ejGZ wK ˆevS? 2 M. 'C' ˆgŒjwUi ˆKÑvivBW WvBgvi MVb KGi eÅvLÅv KGiv| 3
M. 'A' ‰i Lv`Å msiÞY ˆKŒkj AvGjvPbv KGiv| 3 N. 'A' I 'B' ‰i gGaÅ ˆKvb KveÆGbU jeYwU AwaKZi mywÕ©Z-weGkÏlY
N. 'B' I 'C' weKviGKi gGaÅ ˆKvbwU ™Ïvm cwiÓ•vi KiGY DcGhvMx? 4 KGiv| 4
kxlÆÕ©vbxq kxlÆÕ©vbxq KGjGRiKGjGRi cÉk² I Dîi: wbevÆ Pwb cixÞv 2019 wbeÆvPwb cixÞvi Uc 1
ˆMÉW cÉk² I Dîi: m†Rbkxj eüwbeÆvPwb
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi : wbeÆvPwb cixÞv 2019
1. UsMx miKvwi KGjR, MvRxcyi
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. KBF4 AYyGZ e®¬b we`Ågvb 8. 0.15M H2SO4 `ËeGYi pH KZ? wbGPi DóxcKwU jÞ Ki ‰es 18 I 19 bs
i. AvqwbK K 0.523 L 0.824 cGÉ k²i Dîi `vI:
ii. mgGhvRx M 0.15 N 0.3 An+ + NH4CNS `ËeY
18. An+ `ËeYwU jvj eGYÆi nGj AvqbwU
iii. mw®²Gek 9. B^vbj nGZ wfGbMvi cÉÕ§wZi mgq ˆKvbwUi
wbGPi ˆKvbwU mwVK? cGÉ qvRb? nGe
K i I ii L i I iii K gvBGKvWvgÆv AÅvwmGUv K Fe3+ L Al3+
M ii I iii N i, ii I iii L CÕ¡ M Cu2+ N Ca2+
2. ‰KwU UÇvwdK evwZ ˆ^GK wbMÆZ meyR AvGjvi M BbfviGUR 19. `ËeYwUi eGYÆi ˆKvGbv cwieZÆb bv
Ziã‹`NÆÅ 522nm nGj ‰i KÁ·vâ KZ? N RvBGgR nGj
10. Lv`Å ˆKŒUvRvZKiY cvGò XvKbv jvMvGbvi i. An+ AvqGbi ˆgŒjwU AeÕ©v¯¦i ˆgŒj
K 522 10–6Hz L 5.22 10–9Hz AvGM Lv`Å weGkl cwÉ KÌqvq Zvc w`Gq cvGòi ii. WvqvgÅvMGbwUK agÆ cÉ`kÆb KGi
M 5.75 1014Hz N 5.57 1014Hz
ˆfZGii me evqy `ƒi KivGK Kx ejv nq? iii. Qq mw®²Gek msLÅvi RwUj ˆhŒM MVb
wbGPi DóxcKwU cGov ‰es 3 I 4 bs cGÉ k²i
Dîi `vI: K eÐvwçs L ‰MRwÕ¡s KGi
104.5 M wmwjs N wiUwUs wbGPi ˆKvbwU mwVK?
11. ™Ïvm wKÑbvGii mwKÌq Dcv`vb Kx? K i I ii L i I iii
K KwÕ¡K ˆmvWv L KwÕ¡K cUvk M ii I iii N i, ii I iii
M jNy AÅvGgvwbqv `ËeY 20. chÆvq mviwYi ˆKvb ˆkÉwYi ˆgŒjGK
N wfGbMvi PÅvjGKvGRb eGj?
12. 0.15M H2SO4 `ËeGYi pH KZ? K 13 L 14
3. DóxcGKi O cigvYyi ˆhvRÅZv Õ¦Gi gyÚ M 15 N 16
4.
ˆRvo BGjKUÇb msLÅv KZwU? K 0.523 L 0.824 21. wbGPi ˆKvb hyMGji `wy U ˆgŒjB AÓ¡K
K1 L2 M 0.15 N 0.3 mÁ·ÉmviY NUvGZ cvGi?
M3 N4 13. Õ¹zUbvGâi cv^ÆKÅ 40C ‰i Kg nGj ˆKvb K Al I S L Al I Si
sp2 msKiY nIqv mGîI½ c`É î AYywUi c«¬wZGZ c†^KxKiY KiGZ nq? M Al I Sb N Si I P
e®¬b ˆKvGbv 10928 bv nGq 1040 nq K Ea»ÆcvZb L `ËveK wbÓ•vkb 22. ˆKvbwU fÅvwbwks wKÌGgi caÉ vb Dcv`vb?
ˆKGbv? M mvaviY cvZb N AvswkK cvZb K wÕ¡qvwiK ‰wmW L cvwgwUK ‰wmW
K AwÝGRGbi Zwor FYvñKZvi KviGY 14. wbGPi ˆKvbwUi eÅvmvaÆ eo? M IwjK ‰wmW N miweUj
L nvBGWÈvGRGbi Zwor FYvñKZvi KviGY K Fe L Fe+ 23. gvbyGli iGÚi pH KZ?
M Fe2+ N Fe3+ K 4.5 L 5.4
M gyÚGRvo BGjKUÇGbi weKlÆGYi KviGY 15. ˆUÕ¡ wUDeGK KZ wWwMÉ ˆKvGY Zvc w`GZ M 6.9
N 7.4
N e®¬b ˆRvo BGjKUÇGbi weKlGÆ Yi KviGY nq? L 90 24. mwKÌq fi ejGZ ˆevSvq
5. cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ wnGmGe ˆKvbwU i. ˆgvjvi Nbgvòv ii. AvswkK Pvc
K 180
iii. AvYweK fi
eÅen†Z nq? M 60 N 45
K KMnO4 L K2Cr2O7 16. MSDS ‰i cƒYÆi…c Kx? wbGPi ˆKvbwU mwVK?
M Na2S2O4 N NaOH K Materials Safety Data Sheets K i I ii L i I iii
6. 100 wg. wj ˆWwmGgvjvi `ËeY ŠZwi KiGZ L Materials Strong Data Sheets M ii I iii N i, ii I iii
M Materials Safety Division Sheets
KZUzKz Na2CO3 jvMGe? N Materials Strong Divided Sheets 25. ckÉ gb Zvc KLb wÕ©i nq?
K 1.06 MÉvg L 20.6 MÉvg 17. p DckwÚÕ¦Gii RbÅ K `ËeGY eÅen†Z ‰wmW I Þvi DfqB ZxeË
M 17.4 MÉvg N 5.3 MÉvg i. l = 1 nGj
7. ˆKvqvàGjkGbi AvwfavwbK A^Æ Kx? ii. m = 1, 0, + 1 L `ËeGYi eÅen†Z ‰wmW I Þvi DfqB
K PvRÆhyÚ nIqv iii. AiweUvj msLÅv 2 `yeÆj nGj
L RgvU euvav wbGPi ˆKvbwU mwVK? M `ËeGY eÅen†Z ‰wmW `yeÆj I Þvi ZxeË
M `Ëexf„Z nIqv K i I ii L i I iii nGj
N wewÞµ¦ nIqv M ii I iii N i, ii I iii N `ËeGY eÅen†Z ‰wmW ZxeË I Þvi `yeÆj
nGj
Dîi 1 N 2 M 3 L 4 M 5 L 6 K 7 L 8 K 9 K 10 L 11 M 12 K 13 N
14 K 15 N 16 K 17 K 18 K 19 N 20 N 21 N 22 K 23 N 24 K 25 K
2 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
2. knx` iwgR Dwób KÅv´ŸbGg´Ÿ KGjR, XvKv
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. s-eÐK ˆgŒGji msLÅv KZwU? wbGPi ˆKvbwU mwVK? 19. wbGPi DwÚàGjv jÞ KGiv
K 12 L 13 K i L ii i. C(CO)4 I [C(CN)4]2 DfGqB
WvqvPzÁ¼KZ½ agÆ cÉ`kÆb KGi
M 14 N 15 M i I ii N ii I iii
2. wbGPi ˆKvbwU ˆmGK´£vwi Õ¡Åv´£vWÆ c`v^Æ? 9. wbGPi ˆKvb wgkÉYwU KvGPi h¯¨cvwZi
K H2C2O4 L H2SO4 cwiÓ•viK? ii. C(CO)4 AYyGZ sp3 msKivqb nGjI
[C(CN)4]2 ‰i gGaÅ dsp2 msKivqb NGU
M Na2CO3 N K2Cr2O7 K K2Cr2O7 I H2SO4 ‰i `ËeY
3. Be2+, Mg2+, K+ I Ca2+ KÅvUvqGbi L K2Cr2O7 I HCl ‰i `ËeY iii. [A(CN)6]3 I [B(CN)6]3 Dfq ˆÞGòB
ˆcvjvivqGbi mwVK KÌg ˆKvbwU? M KMnO4 I H2SO4 ‰i `ËeY dsp2 msKivqb NGU
N KMnO4 I HCl ‰i `ËeY
K Mg2+ < K+ < Ca2+ < Be2+ wbGPi ˆKvbwU mwVK?
L Be2+ < K+ < Ca2+ < Mg2+ 10. Mg(OH)2 ‰i `ËveÅZv S nGj Ksp ‰i gvb K i I ii L i I iii
M Ca2+ < Mg2+ < Be2+ < K+ KZ? M ii I iii N i, ii I iii
N K+ < Ca2+ < Mg2+ < Be2+ 20. 500 mL 0.1 M NaOH `ËeY cÉÕ§Z
4. evdvi `ËeGYi ˆÞGò K S2 L S3 KiGZ KZ MÉvg NaOH `iKvi?
i. pH = pKa 1 M 2S3 N 4S3
ii. 5mL 0.2M HCl + 10 mL 0.2M 11. Cr ‰i meÆGkl BGjKUÇbwU ˆKvb AiweUvGj K 10 L8
NH4OH wgwkÉZ KiGj evdvi `ËeY ŠZwi cGÉ ek KGi?
KGi K d-AiweUvj L f-AiweUvj M5 N2 aiGbi
iii. iGÚ we`Ågvb evdvi NaHCO3 + H2CO3 M s-AiweUvj N p-AiweUvj 21. [Ni(CO)4] RwUj ˆhŒGM ˆKvb
wbGPi ˆKvbwU mwVK? msKiY NGU?
12. wbGÁi² ˆKvbwUi Rjxq `ËeY AÁÏagÆx? L dsp2
K d2sp3
K i I ii L i I iii K NaCl L KCl M sp2d N sp3
M ii I iii N i, ii I iii M AlCl3 N NaNO3 22. NH4+ ‰ Kx Kx aiGbi e®¬b iGqGQ?
13. ˆccvi ˆKÌvgvGUvMÉvwd cixÞvq R ‰i gvb i. AvqwbK
wbGPi DóxcKwU cGov ‰es 5 I 6 bs cGÉ k²i KZ?
Dîi `vI:
K 1.5 L 1.0 ii. mgGhvRx
MÉ‚c 1 17 M 0.75 N 0.0 iii. mw®²Gek
chÆvq wbGPi ˆKvbwU mwVK?
14. ˆKvb AiweUvGj BGjKUÇb AvGM cGÉ ek
2 AX KiGe? K i I ii L i I iii
3 YD K 3d L 3f M ii I iii N i, ii I iii
5. Y ˆgŒjwU wkLv cixÞvq ˆKvb eYÆ ˆ`q? M 4p N 4s 23. wbGPi ˆKvbwU wKGjwUs ‰GR´Ÿ?
K bxjvf meyR L ˆeàwb 15. UqGjU wKÑbvGii cÉavb Dcv`vb ˆKvbwU?
K BHT
M BGUi gGZv jvj N ˆmvbvjx njy`
6. DóxcGKi ˆgŒjmgƒGni RbÅ ˆKvbwU K NaOH L NH4OH L miweU
mwVK?
M Na2CO3 N (NH4)2CO3 M ‰mKiweK ‰wmW
i. BGjKUÇb AvmwÚi ˆÞGò, D > Y
16. Avqb AvweÓ¡ WvBGcvj AvKlÆY eGji N BHA
D`vniY wbGPi ˆKvbwU bq?
DóxcKwU cGov ‰es 24 I 25 bs cÉGk²i Dîi
ii. weGqvRb cÉeYZvi ˆÞGò, A2CO3 > K Zn2+ ---- O2 L Cl ---- H2O
M I ------ I2 N Fe2+ ---- H2 `vI:
Y2CO3
iii. Y ‰i Zzjbvq X kwÚkvjx weRviK c`v^Æ 17. ˆmwggvBGKÌv c«¬wZGZ KZ MÉvg c`v^Æ eÅen†Z
wbGPi ˆKvbwU mwVK? nq?
wewKÌqv
K 0.5 1.0 g
Dîi E3
kwÚ (E)
K i I ii L i I iii L 0.05 0.2 g
M ii I iii N i, ii I iii M 0.005 0.01 g N 10 50 g Drcv`
7. K‡wòg dzW wcÉRviGfwUfm ‰i ˆÞGò DóxcKwU cGov ‰es 18 I 19 bs cÉGk²i Dîi E1 E2
i. ‰w´ŸgvBGKÌvweqvj ‰GR´Ÿ Lv`Å`ËGeÅi `vI: wewKÌqvi AÞ
eÅvKGUwiqv I BGÕ¡i AvKÌgY ˆiva KGi MÉ‚c 8 9 10 24. mwKÌqb kwÚ ˆKvbwU?
ii. ‰w´Ÿ AwÝGW´Ÿ Lv`Å`ËeÅGK RvwiZ KiGZ chÆvq K E3
mnvqZv KGi 4^Æ ABC L E2 E1
iii. wKGjwUs ‰GR´Ÿ wnmvGe EDTA eÅenvi 18. wbGPi ˆKvbwU mwVK? M E3 E1
Kiv nq K A3+ Avqb I CN wjMÅvG´£i mg®¼Gq MwVZ N E3 E2
AvqGbi gÅvMGbwUK ˆgvGgG´Ÿi gvb kƒbÅ
wbGPi ˆKvbwU mwVK? 25. DóxcK AbymvGi
K i I ii L i I iii L B3+ Avqb I CN wjMÅvG´£i mg®¼Gq MwVZ i. ‰wU ‰KwU ZvGcvrcv`x wewKÌqv
ii. ‰LvGb H = E2 E1
M ii I iii N i, ii I iii AvqGbi gÅvMGbwUK ˆgvGgG´Ÿi gvb kƒbÅ
M B3+ Avqb I F wjMÅvG´£i mg®¼Gq MwVZ iii. E3 ‰i gvb evoGj wewKÌqvi nvi evoGe
8. msKwiZ AiweUvjmgƒn wbGPi ˆKvbwU mwVK?
AvqGbi gÅvMGbwUK ˆgvGgG´Ÿi gvb kƒbÅ
i. meÆ`vB -e®¬b MVb KGi
N C2+ Avqb I Cl wjMÅvG´£i mg®¼Gq MwVZ K i I ii L i I iii
ii. ‰G`i cGÉ ZÅGKi kwÚ mgvb
AvqGbi gÅvMGbwUK ˆgvGgG´Ÿi gvb kƒbÅ M ii I iii N i, ii I iii
iii. meÆ`vB -e®¬b MVb KGi
1 M 2 L 3 N 4 N 5 N 6 K 7 L 8 M 9 K 10 N 11 K 12 M 13 M
14 N 15 K 16 L 17 L 18 L 19 K 20 N 21 N 22 M 23 M 24 M 25 K
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi: wbevÆ Pwb cixÞv 2019 3
3. wdGivRv evkvi AvBwWqvj KGjR, XvKv
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. ˆMvjZjx dÑvÕ• «¼viv mÁ·v`b Kiv nq 9. ˆKvb AÝvBGWi Rjxq `ËeGYi pH ‰i gvb 7 17. ‰w´Ÿ AwÝGWG´Ÿi KvR nGjv
i. widÑvÕ• ‰i ˆewk? i. RviY wKÌqvGK g¯©i Kiv
ii. cvZb K Na2O L Cl2O7 ii. Zvcgvòv wbq¯¨Y Kiv
iii. cgÉ vY `ËeY cÉÕ§wZ M SiO2 N SO2 iii. cvwb ˆkvlY Kiv
wbGPi ˆKvbwU mwVK? 10. cçg kwÚ Õ¦Gi ˆgvU AiweUvj wbGPi ˆKvbwU mwVK?
K i I ii L ii I iii K 16 L 32 K i I ii L ii I iii
M i I iii N i, ii I iii M 25 N 50 M i I iii N i, ii I iii
MÐ~GKvR nGZ AÅvjGKvnj cÕÉ §wZGZ
2. ˆKvb 11. K2Cr2O7 + H2SO4 (Mvp) wgkÉYwU 18. ˆKvbwU cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ
‰bRvBg eÅen†Z nq? i. ‰KwU RviK c`v^Æ K HCl
K RvBGgR ii. cwiÓ•viK wgkÉY L H2SO4
M H2C2O4
L BbfviGUR iii. cfÉ veKi…Gc KvR KGi N HNO3
M ‰wmGUv-eÅvKUi wbGPi ˆKvbwU mwVK?
N gGΟR K i I ii L i I iii 19. Ca(OH)2 `ËeY ˆPvGL coGj wbGPi ˆKvb
3. ˆebwRGb wmMgv e®¬b KqwU? M ii I iii N i, ii I iii `ËeY w`Gq ayGZ nq?
K 10 12. cjeywã eÅvGjG´Öi meÆWvGb 100 `vM, K HCl `ËeY L H3BO3
L 12 ivBWvi fi 5mg nGj ivBWvi a˂eK KZ M NaOH N NaCl
M 14 MÉvg 20. ˆKvb cwÉ KÌqvwU Zvc Drcv`x?
N 16 K 0.0001g K e®¬b weGqvRb
L 0.00001g L evÓ·xfeb
4. ˆKvb Zvcgvòvq cvwbi AvqwbK àYdGji
gvb meÆvwaK? M 0.00002g M Mjb
K 10C N 0.0002g N Nbxfeb
L 25C 13. ˆKvbwUi weGqvRb Zvcgvòv meGPGq Kg? 21. `ËeY Na+ Avqb kbvÚKiGY ˆKvb `ËeY
M 30C
K Na2CO3 eÅen†Z nq?
N 100C L MgCO3
5. M K2CO3 K K2H2Sb2O7 ÞvGii ˆgvjvi Nbgvòv
6. AcwUKvj dvBevGii caÉ vb Dcv`vb N BaCO3 L Na2H2Sb2O7
ˆKvbwU? M KH2Sb2O7
14. evdvi `ËeY nGjv N AgNO3
K CaO i. 30mL 0.1 M CH3COOH I 15mL 0.1
L MgO M NaOH ‰i wgkYÉ 22. ˆKvGbv w«¼-AÁÏxq
M CuO ii. 30mL 0.1M CH3COOH I 30mL 0.1
N SiO2 M NaOH ‰i wgkYÉ 0.05M nGj pH KZ?
iii. 25mL 0.1 M NH4OH I 15mL 0.1 M
PbCl2 ‰i `ËveÅZv àYdj 1.6105 nGj K 10 L 11
Pb2+ AvqGbi Nbgvòv KZ?
M1 N 13
K 1.6 102
23. gvbyGli iGÚ ˆKvb evdviwU pH wbq¯¨Y KGi
L 3.2 102 HCl ‰i wgkÉY bv?
M 1.6 105 wbGPi ˆKvbwU mwVK? K dmGdU evdvi
N 3.2 105 K i I ii L i I iii L evBKveÆGbU evdvi
7. ˆKvbwU ™ÏvGmi Þq KGi? M ii I iii N i, ii I iii M AÅvwmGUU evdvi
K H+(aq) 15. ˆKvb ˆgŒGj meÆvwaK msLÅK Ah™y  BGjKUÇb N ˆcËvwUb evdvi
L HBr(aq)
M HCl(aq) AvGQ? 24. ˆKvbwUi 1g AvqbxKiY kwÚ ˆewk?
N HF(aq)
K Co L Fe K Be LC
8. mvgÅveÕ©vq NO2 ‰i AvswkK Pvc M Mn N Cr MO NN
N2O4 2NO2 16. ˆKvbwUi Mjbvâ Kg? 25. ˆKvb aiGbi ˆKÌvgvGUvMÉvwdGZ cvwb I
K 2P L 2P K AgF wg^vbGji wgkÉYGK Pjgvb `kv wnmvGe
1 1+ L AgCl
M AgBr eÅenvi Kiv nq?
N AgI
M P N P K GC L HPLC
1+ 1
M GPLC N TLC
1 K 2 K 3 L 4 N 5 N 6 K 7 N 8 L 9 K 10 K 11 K 12 K 13 LDîi
14 L 15 N 16 N 17 * 18 M 19 L 20 N 21 K 22 M 23 M 24 N 25 L
* we.`Ë.: 17. mwVK Dîi nGjv ÷ay (i)|
4 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
4. ‰m I ‰m nvigÅvb ˆgBbvi KGjR, XvKv
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. 0.0001M NaOH ‰i pH KZ?
11. ˆKvb ˆgŒj AwaK msLÅK ˆhŒM MVb KGi? 19. ˆdwiK AÝvBGWi AÁÏZ½ KZ?
K3 L7 K Kr L Ne K2 L3
M 10 N 11 M Ar N Xe M4 N6
2. `yeÆj ‰wmW (CH3COOH) I ZxeË ÞvGii 12. 2SO2 + O2 HooooooI 2SO3 wewKÌqvq Kc ‰i 20. wg^vBj ˆKÑvivBGW KveÆGbi ˆKvb aiGbi
(NaOH) ckÉ gb ZvGci gvb KZ? ‰KK ˆKvbwU? msKiY NGU?
K 57.28 kJ mol–1 K L2mol–2 L Lmol–1 K sp L sp2
L 68.7 kJ mol–1 M molL–1 N mol2L–2 M sp3 N sp3d
M 55.2 kJ mol–1
13. nÅvGjvGRbmgƒGni BGjKUÇb AvmwÚ KÌg 21. KvcGo ev Z½GK ˆgGn`x is dzGU DVvi RbÅ
N 50.4 kJ mol–1 nGjv `vqx
3. MÉ‚c IIA avZzmgƒGni ˆKvbwUi mvjGdU K F > Cl > Br >I L Cl > F > Br > I i. Z½K c†GÓ¤i RxweZ ˆKvl
cvwbGZ meÆvwaK `ËeYxq? M I > Br > F > Cl N I > Br > Cl > F ii. Z½K c†GÓ¤i g†Z ˆKvl
K SrSO4 L CaSO4 14. wbDwKÑqvGmi AwÕ¦Z½ cgÉ vGYi cixÞvq eÅen†Z iii. KvcGoi ˆmjyGjvR
M BeSO4 N BaSO4 nq wbGPi ˆKvbwU mwVK?
4. ˆcÉvUbxq gZev` Abyhvqx ‰wmW i. w«-¼ abvñK PvRÆhyÚ KYv K i I ii L ii I iii
K H2O L SO3 ii. ‰KwU ZnS cGÉ jwcZ c`Æv M i I iii N i, ii I iii
M AlCl3 N NH3 iii. ‰KwU cvZjv ˆmvbvi cvGZi 22. evbÆvGi Zvc ˆ`Iqvi mgq wbGPi ˆKvbwU
5. AwaK kwÚkvjx AÁÏ wbGPi ˆKvbwU mwVK? ˆeGQ ˆbIqv nq?
K HBr L HCl K i I ii L ii I iii
M HI N HF K weRviY wkLv L RviY wkLv
6. AlCl3 ‰i Rjxq `ËeGYi pH M i I iii N i, ii I iii M wiWÝ wkLv N Abyäj wkLv
K <7 L >7 DóxcKwU cGov ‰es 15 I 16 bs cÉGk²i Dîi 23. Al2(SO4)3 ‰i Rjxq `ËeY
M7 N0 `vI: i. AÁÏxq cKÉ ‡wZi
ii. `ËeGYi pH < 7
7. 100mL ˆgvjvi `ËeGY KZ MÉvg H2SO4 15mL 0.15 M AÅvwmwUK ‰wmW `ËeGY 6mL 0.15 iii. wbiGcÞ
`Ëexf„Z ^vGK? M NaOH `ËeGY ˆhvM Kiv nGjv| ‰LvGb pKa =
K 0.98 102g L 0.98 10–1g 4.76 wbGPi ˆKvbwU mwVK?
M 0.98g N 9.8g 15. DóxcGKi `ËeGYi pH nGe K i I ii L ii I iii
8. memgq wmMgv e®¬b MVb KGi K 4.58 L 5.48 M i I iii N i, ii I iii
i. msKi AiweUvj M 8.33 N 3.338
ii. s AiweUvj 16. DóxcGKi WvUv nGZ wbGPi ˆKvb wm«¬vG¯¦ 24. H2S cÕÉ §wZGZ eÅen†Z nq
iii. p AiweUvj ˆcŒQu v hvq? K gvBGKÌv evbÆvi
wbGPi ˆKvbwU mwVK? K AÁÏxq cKÉ ‡wZi evdvi `ËeY L ˆUÕ¡wUDe
K i I ii L ii I iii L Þvixq cÉK‡wZi evdvi `ËeY M wKch¯¨
N IqvUvi ev^
M i I iii N i, ii I iii M ‰Uv evdvi `ËeY bq 25. Abygvcb cwÉ KÌqvq eÅen†Z KvP mvgMÉx
nGœQ
9. 2NH3(g) N2(g) + 3H2(g); ‰B wewKÌqvi N ‰wU ckÉ g `ËeY
H ‰i gvb KZ? 17. 36g cvwbGZ KZ ˆgvj cvwb ^vGK?
K 92.2 kJ mol–1 L 90 kJ mol–1 K 3 ˆgvj L 2 ˆgvj i. weKvi
M + 92.2 kJ mol–1 N + 90 kJ mol–1 M 6.02 1023 N 5 ˆgvj ii. eyÅGiU
10. chÆvq mviwYGZ 3p64s2 BGjKUÇb webÅvm 18. ˆKvb `ËeGYi kwÚgvòv Zvcgvòvi Dci wbfÆi iii. KwbKÅvj dÑvÕ•
wewkÓ¡ cigvYyi AeÕ©vb KGi bv? wbGPi ˆKvbwU mwVK?
K kƒbÅ ˆkwÉ Y L VIII ˆkÉwY K bigvj `ËeY L ˆgvjvi `ËeY K i I ii L ii I iii
M IIA ˆkÉwY N IIB ˆkÉwY M ˆgvjvj `ËeY N ˆWwmGgvjvi `ËeY M i I iii N i, ii I iii
1 M 2 M 3 N 4 K 5 M 6 K 7 N 8 K 9 K 10 M 11 N 12 L 13 LDîi
14 N 15 K 16 K 17 L 18 M 19 N 20 M 21 * 22 L 23 K 24 M 25 L
* we.`Ë.: 21. mwVK Dîi nGjv ÷ay (ii)|
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi: wbevÆ Pwb cixÞv 2019 5
5. ˆgvnvÁÃ`cyi ˆK±`Êxq KGjR, XvKv
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. 12.4mL Na2CO3 ‰i `ËeY mwVKfvGe 10. wbGPi ˆKvb AvqGbi ˆKvqvàGjkb ÞgZv 18. ˆKÌvgvGUvMÉvwd «¼viv
cwigvc KiGZ wbGPi ˆKvbwU eÅenvi Kiv ˆewk? i. bgybvi Dcv`vb c^† K Kiv hvq
nq? K Na2+ ii. bgybvi Dcv`vb kbvÚ Kiv hvq
K wcGcU L eyÅGiU L Mg2+ iii. bgybvi we÷«¬Zv cixÞv Kiv hvq
M KwbKÅvj dÑvÝ N AvqZwbK dÑvÝ M Ca2+ wbGPi ˆKvbwU mwVK?
PbCl2 ‰i `ËveÅZv àYdj 1.7 10–5 nGj N Al3+
2. K i I ii L ii I iii
11. Rym msiÞGY ˆKvb wcÉRviGfwUf eÅenvi Kiv
Pb2+ ‰i Nbgvòv KZ? M i I iii N i, ii I iii
nq?
K 1.62 10–2 molL–1 19. ˆKvb ˆhŒGMi AvqwbK ŠewkÓ¡Å mGeÆvœP
L 1.62 10–3 molL–1 K wfGbMvi
M 1.62 10–4 molL–1 L mvjdvi WvBAÝvBW K AlCl3
N1.62 10–5 molL–1 M mvBwUÇK ‰wmW L SiCl4
N ˆmvwWqvg ˆebGRvGqU M SiF4
3. MvGQi cvZv I evKj ˆ^GK AÅvjKjGqW N AlF3
RvZxq Jla wbÓ•vkb Kiv nq ˆKvb 12. Lv`Å`ËeÅ bÓ¡ nIqvi caÉ vb KviY 20. SF6 AYiy AvK‡wZ
c«¬wZGZ? i. AYyRxGei AvKÌgY K mij‹iwLK
K AvswkK cvZb L Ea»ÆcvZb ii. ivmvqwbK wKÌqv L wòfRz AvK‡wZ
M evÓ·cvZb N `ËveK wbÓ•vkb iii. ‰bRvBGgi cfÉ ve M PZzÕ¦jKxq
4. DckwÚÕ¦i AiweUvj msLÅv KZ? wbGPi ˆKvbwU mwVK? N AÓ¡ZjKxq
K (2 + 1) L 2( + 1) K i I ii L ii I iii 21. Na2SO3 + Na3AsO3 + O2 Na2SO4 +
Na3AsO4; ‰B wewKÌqvi ˆÞGò Na2SO3
M ( + 1) N (2 + 1) M i I iii N i, ii I iii
‰KwU
5. ˆccvi ˆKÌvgvGUvMÉvwdGZ R ‰i ˆKvb 13. ˆKvb jeGYi Rjxq `ËeY AÁÏxq? K Õ¼-cfÉ veK L AvweÓ¡ cÉfveK
M FYvñK cÉfveK N cfÉ veK mnvqK
gvbwU hywÚmsMZ? i. Na2SO4 22. wbGPi ˆKvbwU cÉÕw§ ZGZ wÕ¡qvwiK ‰wmW eÅen†Z
nq?
K 0.5 L 1.0 ii. CuSO4 K ˆÕv²
L UÅvjKg cvDWvi
M 1.5 N 2.5 iii. FeCl3
6. Bw^b AYyGZ KvebÆ cigvYyi ˆKvb aiGbi wbGPi ˆKvbwU mwVK?
nvBweËWvBGRkb we`Ågvb? K i I ii L ii I iii
K sp L sp2 M i I iii N i, ii I iii
M sp3 N sp3d2 14. wbGPi ˆKvb ˆhŒGMi Mjbvâ meGPGq ˆewk?
7. Zvcnvix wewKÌqvi ˆÞGò Zvcgvòv e†w«¬ K BeCl2 M ˆKvΣ wKÌg
KiGj mvgÅaË‚eGKi gvb L MgCl2 N wjcwÕ¡K Av`ËÆ
K e†w«¬ cvq M CaCl2 23. gΟ wfGbMvi cÕÉ §wZGZ myGKÌvGRi
L nËvm cvq N BaCl2
M wÕ©i ^vGK weGkÏlGY ˆKvb ‰bRvBg eÅen†Z nq?
N kƒbÅ nq 15. 0.625M NaOH `ËeGYi pH KZ? K WvqvGÕ¡R
L gÅvjGUR
K 0.204
L 2.04
8. 70 MÉvg mÁ·†Ú `ËeGY 20 MÉvg `Ëe `Ëexf„Z M 13.196 M RvBGgR
N 13.79 N BbfviGUR
^vKGj `ËveÅZv KZ? 24. wbGPi ˆKvb ˆgŒjwU wkLv cixÞvq eYÆ c`É kÆb
16. cvwbGZ ˆKvb ˆhŒGMi `ËveÅZv meGPGq Kg? KGi bv?
K 10
K NaCl K Cu
L 20 L Fe
L MgCl2 M Sr
M 30
M CaCl2
N 40
N AlCl3
9. UvBGUÇkGb eÅen†Z nq
17. ‰B wPn×wU «¼viv ˆKvb RvZxq c`v^ÆGK N Ca
i. eyÅGiU
25. ˆKvb ˆhŒGMi ˆÞGò AÓ¡K mÁ·ÉmviY NGU
ii. wcGcU eySvGbv nGqGQ? bv?
K `vnÅ c`v^Æ
iii. KwbKÅvj dÑvÕ• L ˆZRwÕ˜q c`v^Æ K PCl5
M RviK c`v^Æ L SF6
wbGPi ˆKvbwU mwVK? N weGÕ¹viK c`v^Æ M BeCl2
N ClF3
K i I ii L ii I iii
M i I iii N i, ii I iii
Dîi 1 L 2 K 3 N 4 K 5 K 6 L 7 K 8 N 9 N 10 M 11 N 12 N 13 L
14 N 15 N 16 N 17 L 18 N 19 N 20 N 21 L 22 K 23 N 24 M 25 M
6 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
5. ˆkiDW B´ŸvibÅvkbvj (cÉv.) Õ•zj ‰Åv´£ KGjR, eàov
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
DóxcKwU ˆ^GK 19 I 20 bs cÉGki² Dîi `vI:
DóxcKwU ˆ^GK 1 I 2 bs cÉGk²i Dîi `vI: 9. wbGPi ˆKvb AvqGbi ˆKvqvàGjkb ÞgZv
ˆgŒj BGjKUÇb Zwor ˆewk? ˆhŒM Õ¹zUbvâ weGqvRb Zvcgvòv
webÅvm FYvñKZv K Al3+ L Ca2+ A 90C 110C
L ns2 M Mg2+ N K+ B 110C 90C
M (n + 1)s1 2.5 10. ˆgGn`xi is ‰i KviY ˆh ivmvqwbK `ËeÅ C 120C 150C
X ns2np4 3.2
K jÅvGjvwbb L jGmvb 19. AB wgkÉY ˆ^GK Dcv`vbàGjv c^† K KiGZ
Y ns2np2
M AwjK ‰wWm N DB´Ÿvi wMÉb AbymiYxq c«¬wZ ˆKvbwU?
1. XY2 ˆhŒMwUi cÉK‡wZ
K we÷«¬ mgGhvRx 11. `yGai cÉavb ˆcÉvwUb nGjv K wbÁ²Pvc
L ˆcvjvi mgGhvRx L evÓ·-cvZb
M AGcvjvi mgGhvRx K KÅvGivwUb L wjwcW M AvswkK cvZb
N AvqwbK N DaȮcvZb
M KÅvwmb N jÅvKUveywgb 20. AB wgkÉY AGcÞv AC wgkÉY mnGR c^† K
2. LY2 AGcÞv MY2 ‰i
i. Mjbvâ ˆewk 12. i. KjGqW KYvi eÅvm nGj 10–7 – 10–5 cm
ii. cvwbGZ `ËveÅZv ˆewk
iii. mgGhvRx agÆ ˆewk ii. KjqGW wU´£vj cfÉ ve NGU
iii. KjGqW KYvàGjv wdΟvi KvMGRi gaÅ Kiv hvq KviY
w`Gq mnGRB ˆhGZ cvGi i. A ‰es C ‰i Õ¹zUbvGâi cv^ÆKÅ ˆewk
ii. B Õ¹zUbvGâi AvGM weGqvwRZ nq
wbGPi ˆKvbwU mwVK? iii. A ‰es C ‰i c†^KxKiGY Ask Kjvg
wbGPi ˆKvbwU mwVK? K i L i I iii eÅenvi Kiv hvq
wbGPi ˆKvbwU mwVK?
K i I ii L ii I iii M ii I iii N i, ii I iii
M i I iii N i, ii I iii 13. Õ·ÅvPzjv ˆKvb KvGR eÅen†Z nq?
3. ‰KwU `ËeGY [H+] = 10–4 mol L–1 nGj pOH KZ? K AvqZb cwigvGc
K4 L6 L fi cwigvGc K i I ii L i I iii
M 10 N 14 M NbZ½ cwigvGc M ii I iii N i, ii I iii
4. N2(g) + 3H2(g) HooooooI 2NH3(g); wewKÌqvwUi N Zvcgvòv cwigvGc 21. ˆKÌvgvGUvMÉvwdGZ wbGÁ²i AwaGkvlGYi
14. ˆKvb c`v^Æ KvGPi cvòGK Þq KGi?
KP-‰i ‰KK Kx? mwKÌq KÌg nGjv
K atm–2 L atm–1 K Aqua-regia L H3PO4 K –CHO<–OH<–COOH<–NH2
L –CHO<–NH2<–COOH<–OH
M atm N atm2 M HF N Mvp HCl M –CHO<–NH2<–OH<–COOH
N –OH<–NH2<–CHO<–COOH
DóxcKwU ˆ^GK 5 I 6 bs cÉGki² Dîi `vI:
100 15. 22. evgvi wmwiGRi meÆwbÁ² Ziã‹`GNÆÅi RbÅ
90 ˆKvbwU mwVK?
wefekwÚ (KJ/mol) 80
70
60
50
40 ‰B msGKZ «¼viv Kx ˆevSvGbv nq? K – = RH L – = 4
4 RH
30 AB+C K ÞqKviK L ŠRe `ƒlK
20
M ˆZRwÓ˜q N Še`yÅwZK Swzu K M 1 RH N 1
A+BC – 4 – = 4RH
10
wPò : wewKÌqvi KÌg =
5. wewKÌqvwUi mwKÌqb kwÚ KZ? 16. ˆmwggvBGKÌv weGkÏlGY eÅen†Z H2S ‰i 23. wbGÁ²i BGjKUÇb webÅvGm ˆKvbwU cvigvYweK
Drm ˆKvbwU?
K 70 kJ molL–1 L 50 kJ molL–1 eÅvmvaÆ meGPGq ˆewk?
M 10 kJ molL–1 N 60 kJ molL–1 K CH3CSNH2 I H2O K 1s22s1
L Fes I H2SO4 L 1s22s22p2
6. i. wewKÌqvwU Zvc Drcv`x M FeSO4 I jNy H2SO4 M 1s22s21p1
N H2NCSNH2 I H2O N 1s22s2
ii. wewKÌqvwU Zvc nvix
17. ˆMvjZwjdÑvÝ «¼viv mÁ·v`b Kiv nq 24. [Cr(H2O)4Cl2]+ RwUj
iii. H = –10 kJ molL–1 i. widÑvÝ wbiGcÞ wjMÅv´£ msLÅv KZwU?
ii. cvZb
wbGPi ˆKvbwU mwVK? AvqbwUGZ
K i I iii L ii I iii
M i I ii N i, ii I iii
7. wbGPi ˆKvb ‰wmWwU ZxeË ‰wmW? iii. cgÉ vY `ËeY cÕÉ §wZ K6 L4
M2 N0
K H2SO4 L HClO4
wbGPi ˆKvbwU mwVK?
M HNO3 N H3PO4 25. [Ar]3d104s0 BGjKUÇb webÅvmwU nGjv
8. gvQ, gvsm msiÞGY eÅen†Z wcÉRviGfwUf K i L ii i. Cu+
ii. Zn2+
ˆKvbwU? M i I ii N i, ii I iii iii. Fe2+
K ˆmvwWqvg ˆebGRvGqU 18. 105 g mÁ·†Ú `ËeGY 30 g `Ëe `Ëexf„Z ^vKGj wbGPi ˆKvbwU mwVK?
L ˆmvwWqvg bvBGUÇU `ËveÅZv KZ nGe?
M miweK ‰wmW K 30 L 40 Ki L ii
N ˆcÉvcvGbvwqK ‰wmW M 75 N 100 M i I ii N i, ii I iii
Dîi 1 M 2 K 3 M 4 K 5 L 6 K 7 L 8 L 9 K 10 L 11 M 12 N 13 L
14 M 15 N 16 K 17 L 18 L 19 M 20 K 21 M 22 K 23 K 24 L 25 M
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi: wbevÆ Pwb cixÞv 2019 7
7. KzwgÍÏv wkÞvGevWÆ miKvwi gGWj KGjR
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. ‰wmGWi Nbgvòv wbfÆi KGi 8. mçiYkxj BGjKUÇb AvGQ 16. wbGPi ˆKvbwU Av`ËÆ weGkÏwlZ nq?
i. weGqvRb aË‚eGKi Dci i. ˆmvwWqvg K NaCl L SiCl4
ii. ˆK±`Êxq cigvYyi AvKvGii Dci ii. MÉvdvBU M C6H6 N CCl4
iii. `ËveGKi Dci iii. ˆebwRb 17. ˆgGn`xi is ‰i KviY ˆh ivmvqwbK
wbGPi ˆKvbwU mwVK? wbGPi ˆKvbwU mwVK? c`v^Æ
K i L i I ii K i L i I iii K jÅvGbvwjb
M i I iii N i, ii I iii M ii I iii N i, ii I iii L jGmvb
2. ‰w´ŸgvBGKÌvweqvj ˆKvbwU? 9. nvBweËW AiweUvjmgƒn M AwjK ‰wmW
K ˆebRGqU i. meÆ`v -e®¬b MVb KGi N DB´Ÿvi wMÉb
L BHT 18. eÅvKGUwiqvi e†w«¬ Z½ivw®¼Z Kivi DcGhvMx
M EDTA ii. meÆ`v -e®¬b MVb KGi Zvcgvòv KZ?
N wPwb iii. mgkwÚ mÁ·®² K 40C L 55C
wbGPi DóxcKwU AvGjvGK 3 I 4 bs cÉGk²i Dîi wbGPi ˆKvbwU mwVK? M 70C N 65C
`vI: Ki L i I iii 19. ˆKvb AiweUvGji kwÚ meÆvwaK?
MÉ‚c VA VII M ii I iii N i, ii I iii K 3p L 3d
chÆvq 10. ZnSO4 ‰i Þvixq gƒjK kbvÚKiGY M 4s N 4p
2 X A eÅen†Z nq 20. ˆKvGbv wbw`ÆÓ¡ Zvcgvòvq A2B `ËveÅZv
3 YB i. K4[Fe(CN)6] àYdj 410–9 mol3L–3 nGj jeYwUi
ii. NaOH
3. X I Y ˆgŒj c^† K B ˆgŒGji mvG^ `ËveÅZv
wewKÌqv KGi Drc®² ˆhŒM iii. K2H2Sb2O7 K 10–3M
L 10–4M
i. XB3, YB5 wbGPi ˆKvbwU mwVK? M 2 10–5M
N 4 10–3M
ii. XB5, YB3 K i L i I ii
21. pH KGg ˆMGj RwgGZ eÅenvi Kiv nq
iii. XB3, YB3 M i I iii N i, ii I iii i. Pzb
ii. WGjvgvBU
wbGPi ˆKvbwU mwVK? 11. wbGPi ˆKvbwUi eÅvmvaÆ meGPGq Kg?
iii. NaNO3
K i I ii L i I iii K F L Na+
wbGPi ˆKvbwU mwVK?
M ii I iii N i, ii I iii M Mg2+ N Al3+
4. ˆKvb ˆgŒGji Zwor FYvñKZv ˆewk? 12. nvBGWÈvGRb e®¬b MwVZ nq
KX LY K CH4 K i L i I ii
MA NB L NH3
M H2S
5. ˆccvi ˆKÌGgvGUvMÉvwdGZ Rf ‰i ˆKvb gvbwU N H2O M i I iii N i, ii I iii
hywÚmsMZ?
13. 250 mL 0.1 M Na2CO3 `ËeGY Na2CO3 22. 1mol C2H5OH ‰i cYƒ Æ `nGb KZ ˆgvj
K 0.5
L 1.0 CO2 Drc®² nq?
AvGQ K 1 mol
M 1.5 L 2 mol
N 2.5 K 3.25 g M 3 mol
6. c`vG^Æi Afů¦ixY kwÚ wbfÆi KGi L 2.65 g N 4 mol
i. c`vG^Æi MVb cÉK‡wZi Dci M 1.06 g 23. wkLv cixÞv ˆ`q bv
N 2.12 g
ii. PvGci Dci i. Mg ii. Ba
14. ˆKvb AÝvBWwU ˆewk AÁÏagÆx?
iii. Zvcgvòvi Dci iii. Be
K SiO2
wbGPi ˆKvbwU mwVK? L Cl2O7 wbGPi ˆKvbwU mwVK?
M P2O5
K i I ii L i I iii N SO3 K i L i I ii
M ii I iii N i, ii I iii 15. ˆWwmGgvjvi NaOH `ËeGYi pH KZ? M i I iii N i, ii I iii
7. KgjvGjeyi pH 3.8 nGj H+ ‰i Nbgvòv K 12 24. Al2O3 ‰i AÁÏZ½ KZ?
K 1.89 10–4M K2 L3
L 1.5 10–4M M4 N6
M 2.15 10–3M
N 1.3 10–3M L7 25. wbGPi ˆKvb ˆhŒGMi Mjbvâ ˆewk?
M 13
N1 K CaCl2 L CaBr2
M CaF2 N CaI2
Dîi 1 N 2 K 3 L 4 M 5 K 6 N 7 L 8 N 9 L 10 K 11 N 12 N 13 L
14 L 15 M 16 L 17 L 18 K 19 N 20 K 21 L 22 L 23 M 24 N 25 M
8 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk² I Dîi imvqb cÉ^g cò
8. miKvwi wc. wm. KGjR, evGMinvU
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. wbGPi ˆKvb ˆhŒMwU sp3 msKivwqZ bq? wbGPi ˆKvbwU mwVK? 19. Ca3 (PO4)2 ‰i `ËveÅZvi àYdj KZ?
K H2O L NH3 K i I ii L ii I iii K 100 S5
M C2H4 N CH4 M i I iii N i, ii I iii L 108 S5
2. cvi AÝvBW Avqb ˆKvbwU? 10. AvswkK cvZb cwÉ KÌqvi RbÅ ZiGji gGaÅ M 104 S4
K O L O2– Õ¹zUbvGâi bƒÅbZg cv^ÆKÅ ^vKv DwPZ? N 104 S5 ˆKvb aiGbi iwkÄ
M O22– N O2– K 20C L 30C 20. wUwf wiGgvUv KG´ŸÈvGj
eÅenvi Kiv nq?
3. DfagÆ AÝvBW M 40C N 80C
11. nvBGWÈvGRb cigvYyi ‰KwU BGjKUÇb 3q K X-iwkÄ
i. Na2O
ii. ZnO kwÚÕ¦i ˆ^GK 2q kwÚÕ¦Gi ˆbGg AvmGj L AeGjvwnZ iwkÄ
M gvBGKÌvIGqf
iii. Al2O3 weKxYÆ kwÚi Ziã‹`NÆÅ KZ nGe? N ˆiwWI IGqf
wbGPi ˆKvbwU mwVK? K 556 nm 21. wmwjKb (Si) ˆgŒjwU
i. MÉ‚c-IVA, chÆvq-3 ‰ AewÕ©Z
K i I ii L ii I iii L 656 nm ii. ‰KwU avZz
iii. ‰KwU AcavZz
M i I iii N i, ii I iii M 670 nm wbGPi ˆKvbwU mwVK?
4. mnKvix ˆKvqv´Ÿvg msLÅv (l) ‰i gvb KZ N 550 nm
nGj f-AiweUvj mÁ¿e? 12. SF6 ‰i ˆK±`Êxq cigvYyi msKivqb nGjv
K2 L3 K sp3d L sp3
M4 N5 M d3sp3 N sp3d2 L i I iii
13. ˆKvΣ wKÌGgi ˆKvb Dcv`vbwU Z½GKi Dä¾jZv K i I ii
DóxcKwU nGZ 5 I 6 bs cÉGk²i Dîi `vI: M ii I iii N i, ii I iii
ˆgŒj ewntÕ© Õ¦Gii BGjKUÇb webÅvm e†w«¬GZ KvR KGi?
P ns1 K KwÕ¡K cUvk 22. AwÝ ‰wmWmgƒGni kwÚi mwVK KÌg nGjv
Q ns2 L ˆevivÝ
R ns2np1 M ˆgb^j K HClO3 > H2SO4 > H2SO3 > HCIO
S ns2np2 N ˆnvqvBU IqvÝ L HNO3 > H2SO3 > HClO4 > H2SO4
n=3 M HClO > H2SO4 > H2SO3 > HNO3
N H2SO3 > H2SO4 > HClO4 > HClO
5. DóxcGKi ˆKvb ˆgŒjwUi AvqwbKiY kwÚ 14. Fe2O3 ‰i AÁÏZ½ KZ?
K3 L4 23. 1% NaOH `ËeGYi pH KZ?
meGPGq ˆewk?
LQ M5 N6 K 12.0
KP NS L 12.15
MR 15. mwKÌq fi ejGZ ˆevSvq M 13.0
N 13.4
6. DóxcGKi ˆKvb ˆgŒGji ˆKÑvivBW WvBgvi i. ˆgvjvi Nbgvòv
DóxcKwU AvGjvGK 24 I 25 bs cGÉ k²i Dîi
MVb KGi? ii. AvqZb
KS LQ iii. AvYweK fi `vI:
MR NP wbGPi ˆKvbwU mwVK? MÉ‚c
7. wbGPi ˆKvb ˆKvqv´Ÿvg msLÅvi ˆmUwU mwVK? K i I ii L ii I iii chÆvq 2 16
K n = 1, l =1, m = 0, s =+ 1 M i I iii N i, ii I iii 1g A
2
wbGÁ²i wewKÌqvwU weGePbv KGi 16 I 17 bs cGÉ k²i
L 1 2q X
n = 1, l =0, m = 1, s =+ 2 Dîi `vI:
3q Y
1 PCl5 PCl3 + Cl2
M n = 2, l =1, m = 1, s =+ 2 24. A2X ‰es A2Y ‰i ˆfŒZ AeÕ©vi wf®Z² vi
16. wewKÌqvwU Kp ‰i ‰KK?
KviY
N 1 K atm–1 L atm
n = 2, l =2, m = +2, s =+ 2
M atm–2 N atm2 K mgGhvRx e®¬b
Pn+ + NH4OH Q (ev`vgx AatGÞc) L AvqwbK e®¬b
DóxcKwU AvGjvGK 8 I 9 bs cÉGk²i Dîi `vI: 17. DóxcGKi wewKÌqvq hw` PCl5 ˆhvM Kiv nq M nvBGWÈvGRb e®¬b
8. Pn+ Avqb wbGPi ˆKvbwU? ZGe
K Mn2+ i. mvgÅveÕ©vi cwieZÆb NUGe N mw®²Gek e®¬b
L Fe2+ ii. mvgGbi w`GK AMÉmi nGe 25. A2 X ‰es A2Y ˆhŒGMi ˆÞGò
M Fe3+ iii. wewKÌqv cøvr w`GK AMÉmi nGe i. A2Y Zij c`v^Æ
N NH4+ ii. A2X Zij c`v^Æ
wbGPi ˆKvbwU mwVK?
9. P ˆgŒjwU
K i I ii L i I iii iii. A2X ‰i e®¬b ˆKvY 104.5;
wbGPi ˆKvbwU mwVK?
i. AeÕ©v¯¦i ˆgŒj M ii I iii N i, ii I iii
ii. ˆdGivgÅvMGbwUK 18. ˆKvbwU ÷Ó•KviK wnGmGe KvR KGi? K i I ii L ii I iii
iii. ‰KwU AavZz K Cl2O5 L N2O5 M i I iii N i, ii I iii
M P2O5 N V2O5
1 M 2 M 3 L 4 L 5 N 6 M 7 M 8 M 9 K 10 L 11 L 12 N 13 LDîi
14 N 15 * 16 L 17 K 18 M 19 L 20 L 21 L 22 * 23 N 24 M 25 M
* we.`Ë.: 15. mwVK Dîi nGjv ÷ay (i)| 22. mwVK Dîi nGjv HClO4 > H2SO4 > H2SO3 > HClO|
kxlÆÕ©vbxq KGjGRi cÉk² I Dîi: wbevÆ Pwb cixÞv 2019 9
9. ˆbvqvLvjx miKvix KGjR
imvqb : cÉ^g cò welq ˆKvW : 1 7 6
mgq– 25 wgwbU eüwbeÆvPwb AfxÞv gvb– 25
1. wbGÁ²vÚ AvqbàGjvi gGaÅ ˆKvbwUi AvKvi 11. wbGÁ²i ˆKvb wewKÌqvàGjvi RbÅ Kp I Kc ‰i 19. Al2(SO4)3 ‰i `ËveÅZv àYdj 1.5 105
Þz`ZË g? gvb mgvb? nGj mÁ·†Ú `ËeGY SO42 ‰i Nbgvòv KZ?
K Na+ L F i. N2 + 3H2 HoooI 2NH3 K 1.7 102
ii. 2NO HoooI N2 + O2
M Al3+ N O2 iii. H2 + I2 HoooI 2HI L 4.25 102
2. 6248Ni, 6249Cu ‰es 3640Zn nGjv ciÕ·i wbGPi ˆKvbwU mwVK? M 8.5 102
K AvBGmvGUvc
K i I ii L i I iii N 12.75 102
L AvBGmvgvi
M ii I iii N i, ii I iii DóxcKwU cGov ‰es 20 I 21 bs cGÉ k²i Dîi
M AvBGmvevi 12. Lv`Å`ËeÅ cPu Gbi KviY `vI:
N AvBGmvGUvb i. PweÆi DcwÕ©wZ ˆgŒj BGjKUÇb webÅvm n ‰i gvb
3. ‰KwU 4s BGjUÇGbi n, l I m ‰i gvb ii. LvG`Åi RviY L ns1
K (4, 0, 0) L (4, 1, 0) iii. avZe AvqGbi DcwÕ©wZ M ns2 n=3
Q nd10(n + 1)s1
M (4, 0, 1) N (4, 3, 1)
4. NH+4 AvqGbi e®¬b ˆKvY KZ? wbGPi ˆKvbwU mwVK? R ns2 np5
K 109.5 L 104.5 K i I ii L i I iii L, M, Q, R ˆgŒGji cÉPwjZ cÉZxK bq|
M 107.5 N 120 M ii I iii N i, ii I iii 20. DóxcGKi ˆKvb ˆgŒj K4[Fe(CN)6] «¼viv
5. wbGPi ˆKvbwUGZ e®¬b we`Ågvb? 13. `ËveK wnmvGe CHCl3 ‰i cwieGZÆ wbGÁ²i kbvÚ Kiv hvq?
6. ˆKvb weKviKwU eÅenvi Kiv wbivc`?
K H2 L O2 KL LM
K CCl4
M Cl2 N Br2 L C6H14 MQ NR
M C6H6
nvBGWÈvGRGbi cvigvYweK eYÆvjxi RbÅ N C6H6(CH3)2 21. DóxcK gGZ
eËvGKU wmwiGRi Z‡Zxq jvBGbi Ziã‹`NÆÅ 14. ˆgGn`xi iGOi RbÅ `vqx nGjv i. Q AeÕ©v¯¦i ˆgŒj
K 2-nvBWÈwÝ ˆebGRvKzBGbvb
ˆKvbwU? ii. LR AGcÞv MR2 cvwbGZ Kg `ËeYxq
K 4.8627 10-6m iii. QR AGcÞv LR ‰i Mjbvâ ˆewk
L 2.1656106m
M 5.1628 106m L ˆebGRvKzBGbvb wbGPi ˆKvbwU mwVK?
N 4.8627107m K i I ii L i I iii
7. wbGPi ˆKvbwUi RbÅ ˆevi Zî½ cGÉ hvRÅ bq? M 2-nvBWÈwÝ -1, 4- bÅvc^v KzBGbvb M ii I iii N i, ii I iii
KH L H+ N nvBGWÈGUÇW gÅvMGbwmqvg wmwjGKU 22. ˆKÌvgvGUvMÉvwdGZ AwaGkvlGYi mwVK KÌg
M He+ N Li+2 15. `~Ga ˆKvb WvBmÅvKvivBW ^vGK?
K myGKÌvR
8. [Cu(NH3)4]SO4 ˆhŒGM we`Ågvb nGjv
i. AvqwbK e®¬b L ˆmjyGjvR K -COOH>-OH>-NH2>-CHO
M gGΟvR L -CHO>-COOH>-OH>-NH2
ii. mgGhvRx e®¬b N jÅvKGUvR M -NH>-COOH>-CHO>-OH
16. MÐvm wKÑbvGii gƒj Dcv`vb ˆKvbwU? N -OH>-NH2>-CHO>-COOH
iii. mw®²Gek e®¬b K B^vbj
L AvBGmvGcÉvcvBj AÅvjGKvnj 23. 250 mL 0.1 M Na2CO3 `ËeY cÕÉ §Z KiGZ
wbGPi ˆKvbwU mwVK? KZ cwigvY Na2CO3 cGÉ qvRb?
M NaOH
K i I ii L ii I iii K 2.65g
N AÅvGgvwbqv `ËeY L 10.6g
M i I iii N i, ii I iii M 26.5g
N 160g
9. 64g CH4 ˆK mÁ·ƒYÆi…Gc `nb KiGZ STP ˆZ
KZ AvqZb AwÝGRb cÉGqvRb? 24. `ywU AÁÏxq `ËeGYi pH h^vKÌGg 3.0 ‰es
K 179.2 L 17. H3PO2 ‰i ÞviKZ½ KZ?
L 44.8L
M 22.4L K1
N 67.2L L2 6.0| c^É g `ËeYwU w«¼ZxqwU AGcÞv KZàY
10. Xvj = 70 K M3 AÁÏxq?
N4
logK K 50
18. ˆmw´ŸÈwdDR h¯¨ L 100
1/T i. nÕ¦ PvwjZ M 1000
‰B ˆjL ˆ^GK mwKÌqb kwÚi gvb nGe ii. wdΟvi ˆccvGii cwieGZÆ eÅenvi Kiv nq N 10,000
K 1340.39 kJ iii. AatGÞcGK mnGR Avjv`v Kiv hvq 25. ˆKvb cvÉ Yxi `yGa ˆcvÉ wUGbi cwigvY meGPGq
L 1340.29 J
M 581.98 kJ wbGPi ˆKvbwU mwVK? ˆewk?
K i I ii L i I iii K gvbyl L Mi‚
N 581.98 J M ii I iii N i, ii I iii M gwnl N ˆfov
Dîi 1 M 2 M 3 K 4 K 5 L 6 L 7 L 8 N 9 K 10 L 11 M 12 N 13 L
14 M 15 N 16 N 17 K 18 N 19 N 20 M 21 N 22 K 23 K 24 M 25 N
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 1
kxlÆÕ©vbxq KGjGRi wbeÆvPwb cixÞvi Uc ˆMÉW
cÉk²cò: m†Rbkxj iPbvgƒjK
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019
1. ˆeMg e`i‚G®²mv miKvwi gwnjv KGjR, XvKv
imvqb: cÉ^g cò welq ˆKvW: 1 7 6
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. (i) CH3CSNH2(aq) + H2O(l) CH3CONH2(aq) + A M. DóxcGKi A, B ‰es C gGbvnvBwWÈK AÅvjGKvnj nGj ‰G`i gGaÅ
(ii) B2+(aq) + A KvGjv AatGÞc + 2H+ cv^ÆKÅgƒjK wewKÌqv ˆ`LvI| 3
(iii) B2+(aq) + AwZwiÚ Þvi `ËeY Mvp bxj `ËeY (C) N. AÅvjKvBj nÅvjvBW ˆ^GK KxfvGe A, B ‰es C cÕÉ §Z Kiv hvq wewKÌqv
K. bvBGUÇvGRb wdGÝkb ejGZ Kx eyS? 1 ˆ`LvI| 4
5.
L. CO2 ‰i mw®¬ Zvcgvòv 31.1C ejGZ Kx eyS? eÅvLÅv Ki| 2
M. DóxcGKi wewKÌqvàGjv mÁ·®² Ki| 3 A MÅvm B MÅvm
N. DóxcGKi 'C' ˆhŒGMi gGaÅ wK wK e®¬b we`Ågvb? e®¬b wPwn×Z KGi 0.54g 0.61g
VA = 0.3dm3 VB = 0.4dm3
eÅvLÅv Ki| 4
PA = 760mm (Hg) PB = 770mm (Hg)
2.
Mvp H2SO4 B (A ‰es B MÅvm `ywU ciÕ·i wewKÌqvnxb)
OH + Zn A Mvp HNO3
K. ˆgw^GjGUW wÕ·wiU Kx? 1
L. mvBGKÑvGc´ŸvWvBbvBj AÅvbvqb ‰es mvBGKÑvGc´ŸvWvBbvBj KÅvUvqb
CH3Cl AÅvGivGgwUK ˆhŒM wKbv eÅvLÅv Ki| 2
÷Ó• AlCl3 C M. Pvwe ˆLvjv AeÕ©vq 30C Zvcgvòvq MÅvm wgkÉGYi ˆgvU Pvc wbYÆq
K. 32g AwÝGRGbi RbÅ fÅvb-WviIqvjm mgxKiYwU ˆjL| 1 Ki| 3
L. `xwµ¦gq wkLv ‰es `xwµ¦nxb wkLvi gGaÅ cv^ÆKÅ ˆjL| 2 N. 25C Zvcgvòvq A ‰es B MÅvm `ywUi eÅvcb nvi Zzjbv Ki| 4
6.
M. DóxcGKi A ‰es C ˆhŒGMi cviÕ·wiK cwieZÆb mgxKiYmn ˆjL| 3
+
N. DóxcGKi B ‰es C ˆhŒGMi gGaÅ ˆKvbwU BGjKUÇbvKlÆx cÉwZÕ©vcb
wewKÌqvq AwaK mwKÌq? AbyibYmn weGkÏlY Ki| 4 dvÕ¡Æ ‰BW eÝ
3.
A (MÅvm) K. KÑÅv^GiU ˆhŒM Kx? 1
B (MÅvm)
L. PH3 ‰es NH3 ‰G`i gGaÅ Kvi ÞviKZ½ ˆewk? ˆKb eÅvLÅv Ki| 2
2.0 C (MÅvm)
M. DóxcGKi eÝwUGZ wK wK Dcv`vb ^vGK eYÆbv Ki| 3
D (MÅvm) N. DóxcGKi eÝmn jÅveGiUwiGZ we`Ågvb AbÅvbÅ wbivcîv mvgMÉx ‰es
‰G`i eÅenvi wewa DGÍÏL Ki| 4
7.
PV Q 1.0 R (Av`kÆ MÅvm)
T-1 jvjGP ev`vgx AatGÞc
MSO4
cUvwkqvg ˆdGivmvqvbvBW T-11 nvjKv bxj AatGÞc
OX MSO4
200 400 600 800 1000
T-111 mv`v AatGÞc
P
MSO4
K. wdÌqb114 ‰i MvVwbK msGKZ ˆjL| 1 K. AvqwbK àYdj Kx? 1
L. MÅvGmi MZxq mgxKiY ˆ^GK eGqGji mƒò cwÉ Zcv`b Ki| 2
L. S 1 wewKÌqvi wKÌqvGKŒkj ˆjL| 2
N
M. DóxcGKi QD ˆiLvwU ˆKvb kGZÆ QR ˆiLvi gGZv nq eÅvLÅv Ki| 3 M. DóxcGKi wewKÌqvàGjv mÁ·®² KGi ÞvixqgƒjKàGjv wPwn×Z Ki| 3
N. ˆjLwPGò DwÍÏwLZ A, B ‰es C MÅvmàGjvi gGaÅ ˆKvbwUGK mnGR
N. DóxcGKi jeYàGjvi AÁÏxqgƒjK kbvÚKiGY BaCl2 ‰es Ba(NO3)2
Zij Kiv mÁ¿e weGkÏlY Ki| 4 DfqB eÅenvi Kiv hvGe wK? weGkÏlY Ki| 4
8.
4.
ˆgŒj P Q R S
A
ˆhvRÅZv Õ¦i ns2p2 ns2 (n+1)s2 (n+1)p5 (n+1)s2
C4H10O B K. TDS Kx? 1
L. H2O ‰KwU DfagÆx ˆhŒM eÅvLÅv Ki| 2
C M. DóxcGKi Q, R ‰es S, R «¼viv MwVZ ˆhŒGMi gGaÅ ˆKvbwUi Mjbvâ
K. MRI ejGZ Kx eSy ? 1 ˆewk? eÅvLÅv Ki| 3
L. B^vBj AÅvwmGUvAÅvwmGUU ‰i UGUvgvwiZv ˆ`LvI| 2
N. P ‰es R ˆgŒGji «¼viv MwVZ ˆhŒGMi AvK‡wZ ˆKgb nGe? hywÚmn ˆjL| 4
2 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk²cò imvqb cÉ^g cò
2. bÅvkbvj AvBwWqvj Õ•zj ‰´£ KGjR, wLjMuvI, XvKv welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
gvb: 50
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk²
1. ˆgŒj ŠewkÓ¡Å 5. (i) N2(g) + 3H2(g) A(g)
A Zwor FYvñKZvi gvb 3.5 (ii) CH3CH(OH)CH3 + [O] B + H2O
2q chÆvGq AewÕ©Z ‰es ‰i ˆhvRÅZv Õ¦Gi meÆvwaK (iii) NaOH + C Na2SO4 + H2O
(iv) Cu2+(aq) + D Cu2[Fe(CN)6](s) + K+(aq)
B
msLÅK Ahy™Â BGjKUÇb we`Ågvb
K. ˆcvjvivqb Kx? 1
C chÆvq mviwYGZ A ˆgŒGji wVK WvbcvGk¼Æ AewÕ©Z L. gÅvGKÌv I gvBGKÌv weGkÏlGYi gGaÅ Zzjbv Ki| 2
K. g†rÞvi avZz KvGK eGj? 1 M. D ˆhŒGMi AÅvbvqb ‰i msKiY cwÉ KÌqv eÅvLÅv Ki| 3
L. Mn ˆK AeÕ©v¯¦i ˆgŒj eGj ˆKb? 2 N. A, B, C I D ˆhŒMàGjvi AwZeÅenvi cwiGek I Õ¼vGÕ©Åi RbÅ Kx
M. A, B I C ‰i nvBWvÈ BWòGqi Õ¹zUbvGâi cÉK‡wZ eÅvLÅv Ki| 3 aiGbi ügwK m†wÓ¡ KGi? wekÏlY Ki| 4
N. A I B c†^KfvGe H ‰i mvG^ ˆh mKj ˆhŒM ‰es Avqb MVb KGi 6. 3 KveÆb wewkÓ¡ ‰Õ¡vi AÁÏxq A + B
Av`ËÆ weGkÏlY
ZvG`i e®¬b ˆKvGYi KÌg AvGjvPbv Ki| 4
(1 KveÆb wewkÓ¡ AÅvjGKvnj)
2. ˆgŒj ev Avqb ˆgvU BGjKUÇb msLÅv
N2(g) + 3H2(g) 2NH3(g)
P1 C 1
Q+ 15
R+ 53 K. ˆKvqvàGjkb Kx?
L. `ya ‰KwU Bgvjkb eÅvLÅv Ki| 2
M. C ˆhŒMwU ™Ïvm wKÑbvi ev UqGjU wKÑbvi ˆKvbwU cÕÉ §wZGZ eÅen†Z nq
X 10 eÅvLÅv Ki| 3
K. ˆbmjvi `ËeY KvGK eGj? 1 N. A ˆhŒMwUGK KxfvGe Lv`Å msiÞK wnmvGe eÅenvi Kiv nq? weGkÏlY
L. AlCl3 WvBgvi AYy MVb KGi ˆKb? 2 Ki| 4
M. DóxcGK DwÍÏwLZ P ‰i ˆÞGò wewKiY eYÆvjxGZ IR AçGji ˆh 7. SATP ˆZ 5.0 mol SO2 ‰es 3.0 mol O2 wewKÌqv KGi mvgÅveÕ©vq
mGeÆvœP kwÚ mÁ·®² wewKiY ŠZwi KGi Zvi Ziã‹`NÆÅ wbYÆq Ki| 3 25% SO3 Drc®² KGi| 2SO2(g) + O2(g) HooooooI 2SO3(g) + Zvc
N. QX4 ‰es RX4 AvK‡wZ ‰KB ic… nGe Kx? weGkÏlY Ki| 4 K. AvswkK cvZb Kx? 1
3. 500 mL 200 mL 300 mL Cu2Cl2 ‰i L. cvDwji eRÆb bxwZ gƒjZ wÕ·b ˆKvqv´Ÿvg msLÅvi Ici wbfÆikxj, Zv
0.2M 0.25M 0.4M
Ksp= 1.53105M3 eÅvLÅv Ki| 2
Cu2O `ËeY CaCl2 `ËeY HCl `ËeY
1 23 4 M. DóxcGK DwÍÏwLZ wewKÌqvwUi ˆgvjvi mvgÅvâ MYbv Ki| 3
K. eYÆvjx Kx? 1 N. wewKÌqvwUi mvgÅveÕ©vq Zvcgvòv I PvGci cwieZÆb NUGj Drcv` ‰i
L. wkÞv cixÞvq Mvp HCl eÅenvi Kiv nq ˆKb? 2 Dci Kxi…c cÉfve ˆdjGe weGkÏlY Ki| 4
M. 2 bs `ËeGYi `ËGei AÅvbvqGbi cwigvY wbYÆq Ki| 3 8. 250mL 0.25M 300mL 40mL 0.15M
0.2M
N. 1 I 3 bs `ËeY ‰KGò ˆhvM KiGj ˆKvb AatGÞc coGe wKbv? ˆcÉvcvGbvwqK H2SO4 `ËeY
NaOH `ËeY
MvwYwZKfvGe weGkÏlY Ki| 4 ‰wmW
4. (i) C2H6 + [O] A (AÅvjGKvnj) 1 23
RvBGgR K. Õ¡vKÆ cÉfve Kx? 1
(ii) C6H12O6 A + 2CO2, ‰B wewKÌqvq CO2 Drcv`Gbi nvi nGjv L. Cr ‰i meÆGkl kwÚÕ¦Gii BGjKUÇGbi ˆKvqv´Ÿvg msLÅvmgƒGni gvb
2.8 102 molL1 sec1| wbYÆq Ki| 2
K. cwiÓ•viK wgkÉY Kx? 1 M. 2 I 3 bs `ËeGYi wewKÌqvq Drc®² jeGYi e®¬b cÉK‡wZ eÅvLÅv Ki| 3
L. we÷«¬ cvwbi pOH ‰i gvb '7' nq ˆKb? 2 N. 1, 2 I 3 bs `ËeY ‰KGò wgwkÉZ KGi wgwkÉZ `ËeGY mvgvbÅ ZxeË ‰wmW
M. DóxcGKi (ii) bs wewKÌqvwUGZ ™ÏyGKvR ‰i Nbgvòv nËvGmi nvi wbYÆq Ki|3 ev ZxeË Þvi ˆhvM KiGj wgkÉGYi pH ‰i Kxi…c cwieZÆb nGe? weGkÏlY
N. DóxcGKi ˆKvb wewKÌqvwU AwaK cwiGek ev®¬e weGkÏlY Ki| 4 Ki| 4
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 3
3. knx` iwgR Dwób KÅv´ŸbGg´Ÿ KGjR, XvKv welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. K. R Kx? 1
L. ™Ïvm wKÑbvGi KwÕ¡K ˆmvWv eÅenvi Kiv nq bv ˆKb? 2
M. DóxcGKi D ‰i AÝvBGWi cKÉ ‡wZ eÅvLÅv Ki| 3
N. DóxcGKi C ˆ^GK ‘J’ ˆgŒjmgƒGni AvqwbKiY kwÚi gvGbi avivevwnKZvi
AB C ˆÞGò eÅwZKÌgmgƒn weGkÏlY Ki| 4
K. Lv`Å wbivcîv Kx? 1 5.
L. wkLv cixÞvq Mvp HCl eÅenvi Kiv nq ˆKb? 2 chÆvq 14 15 16 17
M. DóxcGKi C cZÉ xK wewkÓ¡ ˆKvGbv cvGò iwÞZ c`vG^Æi cwiZÅvM ˆkÉwY
ˆKŒkj eYÆbv Ki| 3 2q A B C X
N. DóxcGKi wbG`ÆwkZ nÅvRvWÆ cZÉ xKàGjvi gGaÅ Swzu Ki ZzjbvgƒjK gvòv 3q M D Y
I mZKÆZv weGkÏlY Ki| 4 K. Zwor FYvñKZv Kx? 1
2. L. mvgÅaeË‚ K Kc ‰i gvb kƒbÅ A^ev Amxg nGZ cvGi bv ˆKb? 2
eA M. DóxcGKi C ‰es D ‰i nvBWÈvBGWi ˆfŒZ AeÕ©v wf®² DîGii cGÞ
hywÚ `vI| 3
+ N. A, B ‰es C ˆgŒj wZbwUi mvG^ c^† KfvGe DóxcGKi Y ˆK hyÚ KiGj
K ˆh ˆhŒM wZbwU ŠZwi nq ˆmàGjv ‰KB msKiGYi gvaÅGg MwVZ nGjI
L
M AvK‡wZ wf®² wf®²-weGkÏlY Ki| 4
K. wmMgv e®¬b Kx? 1 6. i. X2(g) + Y2(g) HooooooI 2XY(g)
L. Rvj ˆbvU/cvmGcvUÆ kbvÚKiGY UV iwkÄi eÅenvi ˆjGLv| 2 ii. A2(g) + 3B2(g) HooooooI 2AB3(g); H = Ve 1
M. DóxcGKi gGWjwUi meÆewnÕ© kwÚÕ¦Gi mGeÆvœP KqwU BGjKUÇb K. meyR imvqb Kx?
^vKGZ cvGi Zv ˆKvqv´Ÿvg msLÅvi mvnvGhÅ wnmve Ki| 3 L. Na+ MwVZ nGjI Na2+ MwVZ nq bv ˆKb? 2
N. gGWjwU nvBGWÈvGRb cigvYyi ˆÞGò cGÉ hvRÅ nGj BGjUÇbwUi avcv¯¦Gii M. DóxcGKi (i) bs wewKÌqvwUi mvgÅ aË‚eGKi ivwkgvjv wbYÆq Ki| 3
mgq wbMÆZ kwÚ ˆ^GK Ziã‹`NÆÅ wbYÆq Ki| 4 N. DóxcGKi (ii) bs wewKÌqvwUGZ ˆewk cwigvY Drcv` ŠZwii ˆÞGò
3. PvGci cÉfve MvwYwZKfvGe weGkÏlY Ki| 4
7.
20C 20C 20C CH3COOH + KOH Dfq `ËeGYi
MN2 + XY wgkÉY
MN2-‰i XY `ËeY `ËeY
AmÁ·†Ú `ËeY
`ËeY 15 mL 0.25 M 5 mL 0.25 M
15 mL
5 105 M 10 mL
0.1 M
cvò-A cvò-B cvò-C cvò-A cvò-B cvò-C
(i) MN2 ‰i `ËveÅZv 0.0002 mol L1 Ka = 1.8 105
(ii) MY2 ‰i Ksp = 1.85 108
K. ivBWvi aËe‚ K Kx? K. wjMÅv´£ Kx? 1
1 L. AlCl3 WvBgvi MVb KGi eÅvLÅv Ki| 2
M. cvò-A `ËeGYi pH MYbv Ki| 3
L. KjGqGWi mywÕ©wZi KviY Kx? 2
N. C cvGòi `ËeGYi mvgvbÅ cwigvY HCl `ËeY ˆhvM KiGj H `ËeGYi pH
M. A cvGòi jeYwUi `ËveÅZv àYdj wbYÆq Ki| 3 gvGbi ˆKvGbv cwieZÆb NUGe Kx? MvwYwZKfvGe weGkÏlY Ki| 4
N. A I B ‰i `ËeY«¼qGK C cvGò wgwkÉZ KiGj ˆKvb AaGÞc cvIqv 8.
hvGe wKbv MvwYwZKfvGe weGkÏlY Ki| 4 A(C12H22O11) + H2O B
4.
1g AvqwbKiY kwÚ (kJ mol–1) B RviY C + CO2
J
A GI D
FH
K. ˆcvjvivqb Kx? 1
D
L. `yeÆj ‰wmW I mej ÞvGii ckÉ gb Zvc 57.34kJ nGZ Kg nq ˆKb?2
CE L
K M. ‰bRvBgmn DóxcGKi wewKÌqvàGjv ˆjL| 3
2 4 6 8 10 12 N. DóxcGKi A I D ‰i Lv`Å`ËeÅ msiÞY ˆKŒkj ‰KB cKÉ ‡wZi wKbv
cvigvYweK msLÅv weGkÏlY Ki| 4
4 cvGéix ‰BP‰mwm ˆgBW BwR: cÉkc² ò imvqb cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU 4. ‰m I ‰m nvigÅvb ˆgBbvi KGjR, XvKv welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
gvb: 50
m†Rbkxj cÉk²
1. HCl, NH3, NaOH ivmvqwbK `ËeÅàGjv jÅveGiUwiGZ wewf®² KvGR 5. (i) CS2(s) + 3O2 CO2 + 2SO2; H = 1109 kJ
eÅen†Z nq| (ii) SO2 + O2 SO2 ; H = 297.39 kJ;
K. mwKÌqY kwÚ Kx?
1
L. ˆmwggvBGKÌv c«¬wZ cwiGek ev®¬e eÅvLÅv Ki| 2 (iii) C(s) + O2 CO2 ; H = 393.84 kJ;
M. DóxcGKi DwÍÏwLZ ivmvqwbK ˆhŒMmgƒGni wbivc` msiÞY ˆKŒkj (iv) C(s) + 1/2O2 CO(g); H = 283.0 kJ
eYÆbv Ki| 3 K. cfÉ veK mnvqK Kx? 1
N. DóxcGKi ivmvqwbK `ËeÅàGjvi AwaK eÅenvi cwiGek I gvbe L. mvaviY AeÕ©vq Na+ MwVZ nGjI Na2+ nq bv ˆKb? 2
mfÅZvi RbÅ ügwKÕ¼i…c weGkÏlY Ki| 4 M. DóxcGKi AvGjvGK CS2 ‰i msMVb Zvc wbYÆq Ki| 3
2. 1A, 6B, 7D, 8G N. DóxcGKi (iii) I (iv) bs wewKÌqvi mvnvGhÅ ˆnGmi mƒòwU KxfvGe cgÉ vY
K. R Kx? 1 KiGe ˆZvgvi DîGii Õ¼cGÞ hywÚ `vI| 4
L. 2d mÁ¿e bq ˆKb? 2
6.
M. DA3 ‰i mvG^ H+ hyÚ ˆh ˆhŒM MwVZ nq Zvi e®¬b MVb cÉK‡wZ 25C 400mL; 6 103M 25C 900mL; 25C ‰ Al(OH)3 ‰i
eYÆbv| 3 NH4OH `ËeY 6 103M AlF3 `ËeY Ksp = 4 1011 mol4L4
A-cvò B-cvò
N. DA3 I A2G AYyi AvK‡wZ Kx ‰KB iKg ˆZvgvi DîGii Õ¼cGÞ hywÚ K. nÅvRvWÆ cÉZxK Kx? 1
`vI| 4 L. N cigvYyi ˆkGli PviwU BGjKUÇGbi ˆKvqv´Ÿvg msLÅv ˆmU wbYÆq Ki|2
3. ˆgŒj chÆvq ˆkËwY M. A cvGòi abvñK ˆhŒMgƒjKwU kbvÚKiY cixÞv mgxKiYmn ˆ`LvI|3
A 2q 14 N. A I B cvGòi `ËeY wgwkÉZ KiGj Al(OH)3 ‰i AatGÞc coGe wKbv?
B 3q 14
M 3q 17 MvwYwZKfvGe weGkÏlY Ki| 4
7. wbGPi wPòwU jÞ Ki ‰es ckÉ ²àGjvi Dîi `vI:
K. evdvi `ËeY Kx? 1 1200mL 0.15 M HCOOH `ËeY 500 mL 0.17M, NaOH `ËeY pka = 4.74
wPò-1 wPò-2
L. Kc ‰i gvb Kx KLGbv kƒbÅ ev Amxg nGZ cvGi eÅvLÅv Ki| 2
M. M ˆgŒjwU AmvgémÅ wewKqÌ v cÉ`kÆb KGi `ywU wewKÌqvmn eÅvLÅv Ki| 3 K. wKÑwbs wgkÉY Kx? 1
N. BM4 Av`ËÆweGkÏwlZ nq wK¯§ AM4 Av`ËÆ weGkÏwlZ nq bv ˆKb? ˆZvgvi L. mvgÅveÕ©v meÆ`v MwZkxj ˆKb? 2
DîGii Õ¼cGÞ hywÚ `vI| 4 M. wPò-1 I wPò-2 ‰i wgwkÉZ `ËeGYi pH MYbv Ki| 3
4. N. wPò-1 I wPò-2 ‰i wgwkÉZ `ËeGY mvgvbÅ H2SO4 ev NaOH ˆhvM
Y KiGj pH ‰i ˆKvGbv cwieZÆb nGe Kx? ˆZvgvi DîGii Õ¼cGÞ hywÚ
n=4
`vI| 4
+ 8.
X A(C12H22O11)+H2O BbfviGUR B RvBGgR C + CO2 gvBGKvWvgÆv ‰wmwU eÅvÙi D
RviY
K. AeÕ©v¯¦i ˆgŒj Kx? 1 K. Lv`Å wbivcîv Kx? 1
L. we÷«¬ NaCl ‰i ˆKjvm cÉwKÌqvq Mvp HCl ˆhvM Kiv nq ˆKb? 2 L. MÐvm wKÑbvGi NaOH ‰i cwieGZÆ NH3 eÅenvi Kiv nq ˆKb? 2
M. DóxcGKi X AGcÞv Y AwaK kwÚkvjx eÅvLÅv Ki| 3 M. DóxcGKi cwÉ KÌqvwU wewKÌqvmn ˆjL| 3
N. DóxcGKi X ‰es Y ‰i gGaÅ ˆKvbwU «¼viv Rvj cvmGcvUÆ kbvÚ Kiv N. DóxcGKi B I D ‰i Lv`Å msiÞY ˆKŒkj ‰KB cÉK‡wZi wKbv
hvGe ˆZvgvi DîGii Õ¼cGÞ hywÚ `vI| 4 ˆZvgvi DîGii Õ¼cGÞ hywÚ `vI| 4
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 5
5. bvivqYMé KGjR
imvqb: cÉ^g cò welq ˆKvW: 1 7 6
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. K. nvBGWÈvGRb e®¬b Kx? 1
L. NH3 ‰KwU wjMÅv´£ eÅvLÅv Ki| 2
M. DóxcGKi F ‰i AÝvBGWi cKÉ ‡wZ eÅvLÅv Ki| 3
N. DóxcGKi C ˆ^GK J ˆgŒjmgƒGni AvqwbKiY kwÚi gvGbi avivevwnKZvi
ˆÞGò eÅwZKÌgmgƒn weGkÏlY Ki| 4
100 mL 5. HA + H2O HooooooI H3O+ + A
205.01cMm3
K. Zwor FYvñKZv Kx? 1
H2SO4
cvò-A cvò-B cvò-C cvò-D L. Kc ‰i gvb kƒbÅ nGZ cvGi wK? eÅvLÅv Ki| 2
K. dvÕ¡ ‰BW eÝ Kx? 1 M. 0.1 M gvòvi HA `ËeGYi pH wnmve KGiv| 3
L. jÅveGiUwiGZ wbivc` Pkgv eÅenvi Kiv nq ˆKb? 2 N. DóxcGK DwÍÏwLZ ‰wmWwUi ‰KwU evdvi `ËeY ŠZwi KGi ‰i evdvi
M. A cvGò we`Ågvb H2SO4 ‰i cwigvY wbYÆq Ki| 3 wKÌqvGKŒkj ˆ`LvI| 4
N. DóxcGK DwÍÏwLZ A, B, C h¯¨àGjv ˆKvb aiGbi h¯¨ ‰es ‰G`i 6.
eÅenvi ˆjL| 4
2.
UGgGUv ˆLRyGii im
ZnSO4 1bs wPò 2bs wPò
6 10–4 M
A+B cvò-B K. ˆcvjvwiwU Kx? 1
50 mL wgkÉY
L. MÐvm wKÑbvGi KwÕ¡K ˆmvWv eÅenvi Kiv nq bv ˆKb? 2
cvò-A
K. AiweUvj Kx? 1 M. 1bs wPGòi ˆ`kxq dGji ˆKŒUvRvZKiY eYÆbv Ki| 3
L. wkLv cwiÞvq HCl eÅenvi Kiv nq ˆKb? 2 N. 2bs wPGòi Dcv`vb ˆ^GK wfGbMvi cÉÕ§Z Kiv hvq wKbv hywÚ `vI| 4
M. A cvGòi ˆhŒGMi `ËveÅZv àYdj wbYÆq Ki| 3 7. PviwU ˆgŒGji ˆhvRÅZv Õ¦Gii BGjKUÇb webÅvm wbGP ˆ`Iqv nGjv:
N. A cvò ‰es B cvGòi `ËeY `ywUGZ ‰KGò wgwkÉZ Kiv nGj ˆKvGbv ˆgŒj P Q R S
AatGÞc mw† Ó¡i mÁ¿vebv AvGQ wKbv weGkÏlY Ki| 4 ˆhvRÅZv Õ¦i ns2np2 ns2 (n + 1)s2 (n + 1)p3 (n + 1)s2
3. ‰LvGb n = 2
M K. cfÉ veK wel Kx? 1
L
K L. ivmvqwbK mvgÅveÕ©v MwZkxj@ eÅvLÅv Ki| 2
+e
M. Q, R ‰es S, R «¼viv MwVZ ˆhŒGMi gGaÅ ˆKvbwUi Mjbvâ ˆewk
eÅvLÅv KGiv| 3
K. R Kx? 1 N. P ‰es R ˆgŒj «¼viv MwVZ ˆhŒGMi gGaÅ ˆKvb msKivqb AvGQ| Zv
L. 2d AiweUvj mÁ¿e wKbv? eÅvLÅv Ki| 2
wPGòi gvaÅGg ˆ`LvI| 4
M. DóxcGKi AvGjvGK cigvYyi MVb mÁ·wKÆZ gGWjwU AvGjvPbv Ki| 3 8.
N. DóxcGKi gGWjwU hw` nvBGWÈvGRb cigvYy nq ZvnGj BGjKUÇbwUi O2(g)
C(s)
avcv¯¦Gi ˆkvwlZ kwÚ wnmve KGi Zvi KÁ·vâ wbYÆq Ki| 4 CO2(s)
1
4. 2O2(g) H = 282.96kJ
H5 = 110.54kJ 1
1g AvqwbKiY kwÚ (kJ mol–1) B 2O2(g)
CO(g)
J
A GI K. ˆKvqvàGjkb Kx? 1
F H L. Lv`Å wbivcîvq imvqGbi f„wgKv eÅvLÅv Ki| 2
D
CE L M. DóxcGK cÉ`î WvUv ˆ^GK CO2 Drcv`Gb H ‰i gvb wnmve KGiv| 3
K
2 4 6 8 10 12 N. “ˆnGmi mƒò kwÚi AwebvwkZvev` mƒGòi wf®²i…c” DóxcGKi
cvigvYweK msLÅv AvGjvGK gƒjÅvqb Ki| 4
6 cvGéix ‰BP‰mwm ˆgBW BwR: cÉk²cò imvqb cÉ^g cò
mgq-2 N¥Ÿv 35 wgwbU 190. miKvwi wc. wm. KGjR, evGMinvU welq ˆKvW: 1 7 6
imvqb: cÉ^g cò
gvb: 50
m†Rbkxj cÉk²
1. AB MN 5. N2O4(g) XoooooI NO2(g)
0.06M
6 10–4M 40mL 25C Zvcgvòvq ‰es 1 atm 18% N2O4 weGhvwRZ nq|
50mL
cvò-1 cvò-2 K. ˆnGmi mƒòwU ˆjL| 1
AN2 ‰i Ksp = 1 10–17 (25C) L. Al2O3 ‰KwU DfagÆx AÝvBW eÅvLÅv Ki| 2
K. mg-Avqb cÉfve Kx?
1 M. DóxcGKi wewKqvwUi Kp ‰i gvb wbYÆq Ki| 3
L. Rvj UvKv kbvÚKiGY UV iwkÄ eÅenvi Kiv nq ˆKb? 2 N. ˆ`LvI ˆh, DóxcGKi wewKÌqvwUGZ Zvc e†w«¬i mvG^ mvG^ weGhvRb
M. cvò-1 I cvò-2 ‰i wgwkÉZ `ËeGY [M+] ‰i Nbgvòv wbYÆq Ki| 3
gvòv nËvm cvGe| 4
N. cvò-1 I cvò-2 ‰i wgkÉGY AN2 AatwÞµ¦ nGe wK-bv MvwYwZKfvGe 6. wgwg gvLb ˆLGZ cQ±` KGi| Zvi gv evmvq gvLb cÕÉ §Z KGi| Zvi
weGkÏlY Ki| 4 gv gvLb ˆ^GK AvGiv ‰gb ‰KwU eÕ§ ŠZwi KGi hv iv®²v Kiv LvevGi wf®²
2. wbGÁ²i BGjKUÇb webÅvmwU jÞ Ki: Õ¼v` ‰Gb ˆ`q ‰es ‰GK KÞ Zvcgvòvq `xNÆw`b msiÞY Kiv hvq|
A [Ar](n-1) d10ns2; K. ˆKvqv´Ÿvg msLÅv Kx? 1
‰LvGb A cÉPwjZ A^Æenb KGi bv| L. ˆmGK´£vwi Õ¡Åv´£vWÆ c`v^Æ ejGZ wK ˆevS? 2
K. eYÆvjx Kx?
1 M. wgwgi gv evmvq KxfvGe gvLb ŠZwi KGib eYÆbv Ki| 3
L. iGÚi evdvi wKÌqv eÅvLÅv Ki| 2 N. DóxcGKi ˆkGlvÚ eÕ§wU gvLb AGcÞv AwaK wÕ©wZkxj weGkÏlY
M. A2+ Avqb kbvÚKiY cixÞvwU wewKÌqvmn ˆjL| 3 Ki| 4
4
N. [A(NH3)4]2+ ‰i eGYÆi cÉK‡wZ weGkÏlY Ki| 7. X I Y `ywU R¾vjvwb hvG`i mvaviY msGKZ CnH2n+2 ‰es X, Y ‰K
3. 70C kxZjxKviK 25C ‰es `yB KveÆb wewkÓ¡| X(g), Y(g), CO2(g) ‰es H2O(g) ‰i cÉgvY MVb
25g ‰b^vjwc h^vKÌGg 78.89, 84.52, 393.30 ‰es 220.20 kJmol–1|
25g XY
`ËeY K. wMÉb ˆKwgwÕ¡È ejGZ wK ˆevS? 1
‰i mÁ·†Ú ˆKjvwmZ XY
`ËeY L. `ya ‰KwU KjGqW eÅvLÅv Ki| 2
wPò-2
wPò-1 M. X ‰i `nb ‰b^vjwc hw` 490 kJ/mol nq ZGe 1335.45 kJ Zvc
K. ˆKvqvàGjkb Kx? 1 Drcv`Gbi RbÅ wK cwigvY AwÝGRb jvMGe? 3
L. wkLv cixÞvq Mvp HCl eÅenvi Kiv nq ˆKb? 2 N. R¾vjvwb wnGmGe X I Y ‰i gGaÅ ˆKvbwU Dîg MvwYwZKfvGe weGkÏlY
M. DóxcGKi wPò-2 ‰ ˆKjvwmZ XY ‰i cwigvY KZ nGe? 3 Ki| 4
N. hw` wPò-2 ‰i `ËeGY X2Y ˆhvM Kiv nq nGe XY cÉvwµ¦i mÁ¿veÅZv 8. NH3 OH
weGkÏlY Ki| 4 A H2SO4
B
4. A, B, C ˆgŒj«¼Gqi cvigvYweK msLÅv h^vKÌGg 9, 10, 17| C
K. cÅvivGPŒÁ¼K c`v^Æ Kx? 1 K. ˆgvjvwiwU Kx? 1
L. NH3 AYyi AvK‡wZ wcivwgWxq ˆKb? 2 L. PCl5 MwVZ nq wK¯§ NCl5 MwVZ nq bv ˆKb? 2
M. BA6 mÁ¿e wK¯§ BC6 mÁ¿e bq ˆKb eÅvLÅv Ki| 3 M. DwÍÏwLZ ivmvqwbK c`v^ÆàGjv jÅveGiUwiGZ KxfvGe msiÞY Kiv nq
N. HA ‰es HC ‰i gGaÅ ˆKvbwUi Õ¹zUbvâ ˆewk nGe? ‰i Õ¼cGÞ hywÚ eYÆbv Ki| 3
`vI| 4 N. Õ¼vÕ©Å I cwiGeGki Dci DwÍÏwLZ Dcv`vbmgƒGni ÞwZKi cfÉ ve
cwijwÞZ nq weGkÏlY Ki| 4
kxlÆÕ©vbxq KGjGRi cÉk²cò: wbeÆvPwb cixÞv 2019 7
8. ev±`ievb miKvwi KGjR, ev±`ievb
imvqb: cÉ^g cò welq ˆKvW: 1 7 6
mgq-2 N¥Ÿv 35 wgwbU m†Rbkxj cÉk² gvb: 50
1. wbGPi DóxcK jÞ Ki ‰es cÉk²àGjvi Dîi `vI: 5. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI:
Na H2SO4 NH4OH CHCl3
K. `ËveÅZv Kx? 1
L. wkLv cixÞvq Mvp HCl eÅenvi Kiv nq ˆKb? 2
M. DóxcGKi Dcv`vbmgƒGni wbivc` msiÞY ˆKŒkj eYÆbv Ki| 3
N. DóxcGKi ˆhŒMmgƒGni AcwiwgZ eÅenvi gvbe Õ¼vÕ©Å ‰es cwiGeGki K. AiweUvj Kx? 1
RbÅ ügwKÕ¼i…c wKbv? weGkÏlY Ki| 4 L. "HCl ‰KwU ˆcvjvi ˆhŒM” eÅvLÅv Ki| 2
2. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI: M. 'A' ‰es 'B' cvGòi `ËeY ‰KGò wgwkÉZ KiGj ckÉ gb ZvGci gvb aË‚eK
(57.34kJ) AGcÞv Kg nGe eÅvLÅv Ki| 3
N. 'C' cvGò A͸ cwigvY HCl ˆhŒM KiGj ‰i `ËeGYi pH ‰i ˆKvb
cwieZÆb nGe wKbv weGkÏlY Ki| 4
6. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI:
PCl5(g) HooooooI PCl3(g) + Cl2(g); H = +Ve
PCl5 wewKÌqvwU 30C Zvcgvòvq 1.5 atm PvGc 15% weGqvwRZ nq|
K. cgÉ vY `ËeY Kx? 1 K. 'Like dissolves like' bxwZwU Kx? 1
L. "NH3 ‰KwU wjMÅv´£” eÅvLÅv Ki| 2 L. HNO3 I H3PO4 ‰i gGaÅ ˆKvbwU kwÚkvjx ‰wmW? eÅvLÅv Ki| 2
M. DóxcK I ‰i n = 3 ewntÕ¦ Õ¦Gii l I m ‰i gvb wnmve KGi AiweUvj M. DóxcGKi wewKÌqGKi weGqvRb gvòv '' nGj Kp ‰i ivwkgvjv wbYÆq
msLÅv wbYÆq Ki| 3 Ki, hLb ˆgvU Pvc 'P'| 3
N. DóxcK I I II ‰i cigvYy gGWj«¼Gqi Zzjbv Ki| 4 N. mvgÅveÕ©vq wewKÌqvwUGZ Zvc I PvGci cwieZÆb NUGj DrcvG`i
3. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI: cwigvGYi cwieZÆb NUGe wKbv? weGkÏlY Ki| 4
2q cvigvYweK 3 4 5 6 7 8 9 7. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI:
H
chÆvGqi msLÅv O
ˆgŒj HH
O OH
H
AvqbxKiY kwÚ 520 900 800 1086 1403 1314 1680
HH
kJ/mol HO OH
K. Fe++(26) I Cu(29) ‰i BGjKUÇb webÅvm ˆjL| 1 HH
O
L. wfGbMvi KxfvGe eÅvKGUwiqv a»sm KGi? 2 H
M. DóxcGK DwÍÏwLZ cvigvYweK msLÅvwewkÓ¡ ˆgŒjmgƒGni gGaÅ ˆKvb K. cvwbi AvqwbK àYdj Kx? 1
ˆgŒGji Zwor FYvñKZvi gvb chÆvq mviwYGZ meÆvwaK eÅvLÅv Ki| 3 L. AwÝGRGbi Zzjbvq bvBGUÇvRGbi 1g AvqbxKiY wefe ˆewk ˆKb? 2
N. DóxcGK DwÍÏwLZ cvigvYweK msLÅvwewkÓ¡ ˆgŒjmgƒGni AvqbxKiY M. DóxcGKi ˆhŒMwU cvwbGZ fvmvi KviY eÅvLÅv Ki| 3
wefGei KÌg cwieZÆb hywÚmn eÅvLÅv Ki| 4 N. DóxcGKi ˆhŒMwUGZ we`Ågvb ˆKvb weGkl KviGYi RbÅ mvaviY
4. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI: AeÕ©vq H2O Zij wK¯§ H2S MÅvmxq KviYmn weGkÏlY Ki| 4
(i) CuSO4(aq) + NH4OH (excess) A (Mvp bxj `ËeY) + H2O 8. wbGPi DóxcKwU jÞ Ki ‰es cÉk²àGjvi Dîi `vI:
(ii) NH3(g) + HCl B (mv`v ˆauvqv)| euvGki KuwP
ˆKvivj ˆLvmv eÐvwçs wKDwis KÅvwbs
K. wfGbMvi Kx? 1 msMÉn gyÚKiY
L. `ËveÅZv àYdGji Dci mgAvqb cÉfve eÅvLÅv Ki| 2 K. cvÉ Bgvwi Õ¡Åv´£vWÆ c`v^Æ Kx? 1
L. Zn wK AeÕ©v¯¦i ˆgŒj? eÅvLÅv Ki| 2
M. 'A' ˆhŒMwU iwOb nIqvi KviY eÅvLÅv Ki| 3 M. DóxcGKi AvGjvGK Lv`ÅeÕ§i ˆKŒUvRvZKiY c«¬wZ eYÆbv Ki| 3
N. DóxcGKi eÅen†Z eÐvwçs I KÅvwbs ‰i àiZ‚ ½ weGkÏlY Ki| 4
N. 'A' ˆhŒGMi wjMÅv´£ ‰es 'B' ˆhŒGMi ÞviKxq gƒjGKi gGaÅ AvK‡wZGZ
cv^ÆKÅ ˆ`Lv hvq KviYmn weGkÏlY Ki| 4
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chemistry 1st model test 19
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