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CH3 অধ্যায় ০৩: পরেমাণগত েসায়ি
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799. CH3 C CH CH2 Gi †hŠ‡Mi bvgKiY 1. M¨v‡mi †gvjvi AvqZb ej‡Z Kx †evSvq?
| K GK †gvj KwVb c`v‡_©i AvqZb
CH3 L GK †gvj Zij c`v‡_©i AvqZb
IUPAC Kx?
K 3, 3, 3- Trimethyl-1-Propen M GK †gvj M¨vmxq c`v‡_©i AvqZb
L 1, 1, 1 – Trimethyl – 2 – Propen N GK †gvj KwVb I †gvj Zij c`v‡_©i Avqb
M 3, 3 – Dimethyl. but – 1 – ene 2. ‡gvjvi AvqZ‡bi †ÿ‡Î we‡kl f~wgKv iv‡L-
N 2, 2 – Dimethyl. but – 1 – ene K e‡q‡ji m~Î L Pvj©‡mi m~Î
800. Butadiene enb K‡i- M A¨v‡fv‡M‡Wªvi m~Î N e¨vcb m~Î
K Kve©b cigvYiy sp msKiY 3. GKB ZvcgvÎv I Pv‡c mKj M¨v‡mi †gvjvi AvqZb KZ?
L Kve©b cigvYyi sp2 msKiY K 2.24 wjUvi L 22.4 wjUvi
M Kve©b cigvYyi sp I sp2 Dfq msKiY M 24.2 wjUvi N 224 wjUvi
N Kve©b cigvYiy sp3 msKiY 4. SATP ‡Z 25C ZvcgvÎv I 1atm Pv‡c M¨v‡mi †gvjvi
AvqZb KZ?
K 2.24 wjUvi L 22.4 wjUvi
M 24.789 wg. wjUvi N 24.789 wjUvi
5. STP ‡Z 22.4L M¨v‡m AYy _v‡K-
K 6.023 1023 wU L 3.012 1023 wU
M 6.023 10-23 wU N 3.012 10-23 wU
6. STP ‡Z GK †gvj M¨v‡mi AvqZb KZ?
K 22.4 wjUvi L 24.789 wjUvi
M 22.2 wjUvi N 224 wjUvi
7. STP- ‡Z †Kvb M¨v‡mi 6.023 1023 wU AYiy AvqZb
KZ?
K 22400 wjUvi L 24789 wjUvi
M 22.4 wjUvi N 24.789 wjUvi
8. c`v‡_©i GKwU AYiy fi = ?
K MÖvg cvigvYweK fi L MÖvg AvYweK fi
6.023 1023 6.023 1023
M MÖvg cvigvYweK fi N MÖvg AvYweK fi
22.4 22.4
9. ‡gŠ‡ji GKwU cigvYiy fi KZ?
‡gŠ‡ji MÖvg AvYweK fi
K 6.023 1023
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‡gŠ‡ji MÖvg AvYweK fi N 6.023 1024 wU eÜb
L
19. ‡Kv‡bv e¯i‘ GK †gv‡j hZ msL¨K AYy _v‡K, †mB msL¨v‡K
22.4 wK e‡j?
‡gŠ‡ji MÖvg cvigvYweK fi K A¨v‡fv‡M‡Wªv msL¨v L †gvjvi M¨vm aªæeK
M 6.023 1023
‡gŠ‡ji MÖvg cvigvYweK fi M †evëg¨vb aªæeK N jkwgU msL¨v
N 22.4
20. CO2 Gi GKwU AYyi mg GKK KZ?
10. GKwU HCl AYyi fi KZ?
K 7.3065 10-23 L 7.3065 10-26
K 6.06 10-23 kg L 6.06 10-23 g M 7.3065 10-22 N 7.3065 10-20
21. ‡gvj msL¨v, AYyi msL¨v I A¨v‡fvMv‡Wªvi msL¨vi g‡a¨
M 6.06 10-22 g N 6.023 1023 g m¤úK© Kx?
11. GKwU cvwbi AYyi fi KZ?
K 2.98 10-23 g L 2.98 10-23 kg K AYiy msL¨v = A¨v‡fv‡M‡Wªv msL¨v ‡gvj msL¨v
M 6.023 10-23 g N 6.023 10-23 kg L AYyi msL¨v = A¨v‡fv‡M‡Wªv msL¨v †gvj msL¨v
12. cÖgvY Ae¯v’ q 1.7 g NH3 M¨v‡mi AvqZb KZ? M A¨v‡fv‡M‡Wªv msL¨v = †gvj msL¨v AYiy msL¨v
K 22.4 dm3 L 2.24 dm3 N A¨v‡fv‡M‡Wªv msL¨v = †gvj msL¨v AYiy msL¨v
M 0.224 dm3 N 0.0224 dm3 22. cÖgvY Ae¯v’ q 2.0dm3 wg‡_b M¨v‡m AYiy msL¨v KZ?
13. 1 ‡gvj cvwb‡Z KZ¸‡jv nvB‡Wªv‡Rb cigvYy _v‡K? K 5.38 1022 wU L 5.38 1023 wU
K 6.023 1022 wU L 6.023 1023 wU M 6.023 1023 wU N 5.38 10-22 wU
M 12.04 1023 wU N 36 wU 23. 500wU ¯v^ ÿi w`‡Z MÖvdvBU †cw݇ji 55.6mg ÿq nq|
cÖwZwU ¯^vÿ‡i KZwU Kve©b cigvYy _v‡K?
14. GK †gvj Na2CO3 n‡jv-
K 98 g L 106 K 5.581 1018 wU L 5.58 1021 wU
M 106 g N 98 M 6.53 1018 wU N 6.53 1021 wU
15. STP ‡Z 6.023 1023 wU CO2 M¨v‡mi AYyi fi KZ? 24. mvjdv‡ii AvYweK ms‡KZ S8| 500g mvjdv‡ii †gvj
msL¨v KZ?
K 44 g L 33 g
M 22 g N 11 g K 2 †gvj L 2.5 †gvj
16. 2.016 H2 G cigvYiy msL¨v- M 1.95 †gvj N 2.95 †gvj
K 6.023 1023 L 12.04 1024 25. 19.6g H2SO4 G KqwU S cigvYy Av‡Q?
M 3.011 1023 N 2 6.023 1023 K 12.046 1022 L 6.023 1022
M 12.046 1023 N 6.023 1023
17. Kve©‡bi cvigvYweK fi 12| Zvn‡j 2 †gvj Kve©b ej‡Z 26. KZ †gvj C2H4O2 ‡Z 6.023 1023 wU nvB‡Wªv‡Rb
†evSvq- cigvYy _v‡K
K 12 g Kve©b L 24 g Kve©b
M 6 g Kve©b N 144 g Kve©b K 0.5 ‡gvj L 1.0 ‡gvj
18. 1 ‡gvj eÜb ej‡Z †evSvq? M 0.25 ‡gvj N 1.25 ‡gvj
K 1.66 1019 wU eÜb 27. ‡Kv‡bv †gŠj ev †hŠ‡Mi AvYweK fi‡K MÖv‡g cÖKvk Ki‡j
†h cwigvY cvIqv ‡gŠ‡ji ev †hŠ‡Mi H cwigvY‡K wK ejv
L 6.023 1023 wU eÜb nq?
M 6.023 10-23 wU eÜb K †gvj L †gvjvi AvqZb
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M A¨v‡fv‡M‡Wªvi msL¨vN AYy 38. STP ‡Z 1.0 105 dm3 wg‡_b M¨vm †÷v‡iR U¨vs‡K
Av‡Q| G‡Z KZ †gvj wg‡_b Av‡Q?
28. GK †gvj CO2 = ?
K 32g L 44g K 5 103 †gvj L 4.46 ‡gvj
M 32 N 44 M 5 ‡gvj N 4.461 103 †gvj
29. 14g bvB‡Uªv‡Rb M¨v‡m KZ †gvj? 39. STP ‡Z 1500 dm3 N2 M¨vm n‡Z NH3 cÖ¯‘Z Ki‡Z
KZ dm3 H2 M¨vm cÖ‡qvRb n‡e?
K 1 †gvj L 2 †gvj
N 4 †gvj
M 1 †gvj K 4500 dm3 L 450 dm3
2
M 45 dm3 N 4.5 dm3
30. ‡K¬vwib M¨v‡mi GK †gvj- 40. KwVb Kve©b I Aw·‡Rb M¨v‡mi ivmvqwbK wewµqvq M¨vmxq
Kve©b WvBA·vBW Drcbœ nq| G‡ÿ‡Î ivmvqwbK mgxKiY
K 35.5 g L 71 g
†KvbwU?
M 71 N 35.5
31. ‡gŠ‡ji cvigvYweK fi‡K MÖv‡g cÖKvk Ki‡j †h cwigvY K C + O2 CO2(g)
cvIqv hvq Zv‡K Kx ejv nq? L C(s) + O2(g) CO2(g)
K MÖvg cvigvYweK fi L MÖvg AvYweK fi M C(s) O2 CO(g)
M cvigvYweK fi N AvYweK fi N C + O2 CO2
32. GK †gvj cigvYy Aw·‡Rb = ? 41. CaCO3 CaO CO2(g); wewµqvq Drcbœ
CO2 Gi AvqZb STP ‡Z KZ?
K 32 L 16
M 32g N 16g K 44.8L L 22.4L
33. GK †gvj cvigvYweK fi Kve©b = ? M 44.8 N 22.4
K 12 g L6g 42. 2NH4Cl(6) + CaO(s) CaCl2(s) + H2O +
2NH3(g); STP ‡Z Drcbœ NH3 M¨v‡mi AvqZb KZ?
M 12 N 16
34. 12 g Kve©‡b KZwU Kve©b cigvYy _v‡K? K 44.8dm3 L 22.4dm3
K 6.023 1022 L 6.023 1023 M 44.8 N 22.4
M 12.04 1023 N 3.012 1023 43. 90% weï× 210g bgybvq weï× Pzbvcv_‡ii cwigvY KZ?
35. 32g SO2 G KZwU Aw·‡Rb cigvYy _v‡K?
K 200 g L 199 g
K 6.0231023 L 12.0461023 M 189 g N 190 g
M 3.0121023 N 6.0231023 44. CaCO3 + 2HCl CaCl2 + H2O + CO2; STP-
36. 20 g f‡ii GKwU M¨vm STP-‡Z 6.309 dm3 AvqZb ‡Z Drcbœ CO2 M¨v‡mi AvqZb KZ?
`Lj K‡i| M¨vmwUi bvg wK? K 22.8 dm3 L 22.4 dm3
M 24.789 dm3 N 44.8 dm3
K O2 L N2
M NH3 N Cl2 45. 2 ZnO + C 2 Zn + CO2; wewµqv Abhy vqx 20g
ZnO n‡Z cÖgvY Ae¯’vq KZ AvqZb CO2 cvIqv hv‡e?
37. 1 ‡duvUv cvwbi AvqZb 1 mL n‡j Ges 1 ‡dvu Uv cvwb‡K K 2.7518 dm3 L 22.4 dm3
M 3.4532 dm3 N 1.7518 dm3
Rjxq ev‡®ú cwiYZ Ki‡j STP ‡Z ev‡®úi AvqZb KZ?
K 1.30 dm3 L 1.244 dm3 46. 120g cUvwmqvg †K¬v‡iU (KClO3) ‡K 750C
M 2.244 dm3 N 2.30 dm3 ZvcgvÎvq DËß K‡i KZ AvqZb Aw·‡Rb cvIqv hv‡e?
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K 30.8874 dm3 L 32.8874 dm3 M 22 g N 5.5 g
M 22.40 dm3 N 31.8874 dm3
56. †jvwnZ Zß Avqib cvB‡ci ga w`‡q Kx cwigvY w÷g Pvjbv
47. 2Mg + 4HCl 2MgCl2 + 2H2; wewµqvq Drcbœ Ki‡j 20g H2 (g) ‰Zwi n‡e?
H2 M¨v‡mi AvqZb STP ‡Z KZ?
K 170 g L 175 g
K 22.4 dm3 L 44.8 dm3 M 180 g N 280 g
M 24.789 dm3 N 49.578 dm3 57. AvYweK fi, †gvjvi AvqZb I †gv‡ji g‡a¨ m¤úK© wb‡`k©
48. N2 + 3H2 2NH3 : SATP-‡Z Drcbœ NH3 M¨v‡mi K‡i †KvbwU?
AvqZb KZ?
K AvYweK fi = GK MÖvg AYy = GK †gvj = STP
K 49.578 dm3 L 44.8 dm3 †Z 22.4 dm3
M 24.789 dm3 N 47.578 dm3 L AvYweK fi = GK †gvj = GK MÖvg AYy
49. 45.0 g NaN3 we‡qvR‡b 30C I 1.15 atm Pv‡c KZ M AvYweK fi = STP †Z 22.4 dm3
AvqZb N2 M¨vm Drcbœ n‡e?
N GK †gvj = STP †Z 22.4 dm3
K 20.5L L 21.5L 58. 160 g H2O2-Gi we‡qvR‡b wK cwigvY Aw·‡Rb Drcbœ
nq
M 22.5L N 32.5L
50. SATP ‡Z †gvjvi AvqZb- K 74.294 g L 75.294 g
K 22.4L mol-1 L 24.04L mol-1 M 13.6 g N 140. 32 g
M 24.789L mol-1 N 22.04L mol-1 59. 500 CaC2- Gi mv‡_ cvwbi wewµqvq KZ AvqZb
A¨vwmwUwjb (C2H2) Drcbœ n‡e?
51. H2(g) + Cl2(g) 2HCl(g); wewµqvq Drcv` M¨v‡mi
†gvjvi AvqZb STP ‡Z KZ? K 15.75 dm3 L 17.79 dm3
K 2 24.789 L ev dm3 M 274.9 dm3 N 174.94 dm3
L 2 22.4 L ev dm3 60. 300 kg weï× mvjdvi †_‡K Kx cwigvY SO2 Drcbœ n‡e?
M 24 24.789 L ev dm3 K 6.31 104 g L 6.0 105 g
N 22 4 L ev dm3 M 9.31 105 g N 6.0 104 g
52. wewµq‡Ki †fŠZ Ae¯v’ Kq cÖKw… Zi n‡Z cv‡i? 61. wjwgwUs wewµqK wewµqv †k‡l-
K Pvi L wZb K AwZwi³ _v‡K L _v‡K bv
M `yB N cuvP M AcwiewZ©Z _v‡K N mxwgZ cwigv‡Y _v‡K
53. Drcv‡`i †fŠZ Ae¯v’ Kq cÖK…wZi n‡Z cv‡i? 62. CH4 + 202 CO2 + 2H2O; wewµqv Abymv‡i hw` 2
‡gvj CH4 Gi mv‡_ 2 ‡gvj O2 wewµqv Kiv‡bv nq Z‡e
K wZb L Pvi wjwgwUs wewµqK †KvbwU n‡e?
M cvu P N `By K CH4 L O2
54. GKB ZvcgvÎv I P‡c mKj M¨v‡mi †gvjvi AvqZb mgvb M CO2 N H2O
Ges cÖgvY ZvcgvÎv I Pv‡c Zv 22.4 dm3| GwU-
63. CaCO3 + 2HCl CaCl2 + H2O + CO2 wewµqv
K e‡q‡ji mÎ~ L Pvj©‡mi mÎ~
Abmy v‡i 100g Aewkó _vK‡e- CaCO3Gi mv‡_ 36.5g
M A¨v‡fv‡M‡Wªvi m~Î N Wvë‡bi m~Î HCl wewµqv Ki‡j wewµqv †k‡l Aewkó _vK‡e-
55. 25g weï× Pzbvcv_i bgby v‡K AwZwi³ HCl G `ªexfZ~ K‡i K CaCO3 L HCl
KZ f‡ii CO2 cvIqv hv‡e? M CaCl2 N CO2
K 11 g L 44 g
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64. 90% weï× Pbz vcv_‡ii 200g ‡K DËß Ki‡j †h cwigvY 71. `ªe‡Yi NbgvÎv cÖKv‡ki Rb¨ †hme GKK Pvjy Av‡Q Zv‡`i
CO2 cvIqv hvq Zv‡K m¤ú~Y©i~‡c Na2CO3 G cwiYZ g‡a¨ D‡jøL‡hvM¨ †KvbwU?
Ki‡Z wK cwigvY NaOH jvM‡e?
K †gvjvwiwU L †gvjvwjwU
K 244 g L 144 g M bigvwjwU N me¸‡jv
M 190.43 g N 290.43 g 72. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Yi cÖwZ wjUvi AvqZ‡b GK
†gvj `ªe `ªexf~Z _vK‡j †m `ªeY‡K wK e‡j?
65. 10 g KClO3‡K m¤ú~Y©i‡~ c we‡qvwRZ Ki‡j SATP ‡Z
KZ cm3 O2 cvIqv hv‡e? K †gvjvj `ªeY L †gvjvi `ªeY
K 2742.857 cm3 L 3035.387 cm3 M bigvj `ªeY N m¤ú„³ `ªeY
M 274.28 cm3 N 303.53 cm3 73. GKwU `ªe‡Yi cÖwZ wjUvi 98 g H2SO4 `ªexf~Z _vK‡j †m
`ªeYwU‡K wK ejv nq?
66. 4NH3 (g) + 502(g) 4 NO(g) +6H2O wewµqv
Abymv‡i 2 ‡gvj NH3 Gi mv‡_ 2.5 ‡gvj O2 m¤úY~ ©fv‡e K H2SO4 Gi ‡mwg‡gvjvi `ªeY
wewµqv Ki‡j wK cwigvY wewµqK wewµqv †k‡l Aewkó
_vK‡e? L H2SO4 Gi †Wwm‡gjvi `ªeY
K 0.5 ‡gvj NH3 M H2SO4 Gi †gvjvi `ªeY
L 1.0 ‡gvj NH3
M 0.5 ‡gvj O2 N H2SO4 Gi †gvjvj `ªeY
74. †Kv‡bv `ªe‡Yi cÖwZ wjUv‡i 10.6g Na2CO2 `ªexf~Z
_vK‡j H `ªe‡Yi NbgvÎv n‡e-
N †Kv‡bv wewµqK Aewkó _vK‡e bv K 1.0 M L 2.0 M
67. wewµqvnxb M¨vm wgkªY Gi cÖ‡Z¨K Dcv`vb GKKfv‡e M 0.1 M N 0.01 M
wgkª‡Yi mgMÖ AvqZb `Lj K‡i †h Pvc †`q, Zv‡K H
Dcv`vb M¨v‡mi wK e‡j? 75. †gvjvi `ªeY wbY©q K‡i-
K Pvc L ev®úPvc K f‡ii Ici L cv‡Îi Ici
M AvswkK Pvc N AvqZb e‡j M ZvcgvÎvi Ici N Pv‡ci Ici
68. cixÿvMv‡i evqgy Û‡ji Pvc wbY©q Kiv nq †KvbwUi mvnv‡h¨? 76. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Yi cÖwZ wjUvi AvqZ‡b 0.1
‡gvj `ªe `ªexf~Z _vK‡j †m `ªeY‡K ejv nq-
K w¯ú‡WvwgUvi L e¨v‡ivwgUvi
K `ªe‡Yi `kgvsk †gvjvi `ªeY
M _v‡g©vwgUvi N †µv‡bvwgUvi
L †Wwm‡gvjvi `ªeY
69. cvwb‡Z A`ªeYxq M¨vm‡K †Kvb cÖwµqvq msMÖn Ki‡Z nq?
M †mwg †gvjvi `ªeY
K evqyi wbgœgLy x AcmviY
N K I L DfqB
L cvwbi wbgœgyLx AcmviY
77. wbw`©ó ZvcgvÎvq cÖwZ wjUvi `ªe‡Y `ªexfZ~ `ª‡ei MÖvg-
M cvwbi EaŸ©gyLx AcmviY AvYweK fi ev †gvj msL¨v‡K wK e‡j?
N evqiy EaŸ©gyLx AcmviY K bigvwjwU L †gvjvwiwU
70. ga¨g, mwµq Zn I jNy HCl Gi wewµqvq Drcbœ M¨vm‡K M †gvjvwjwU N †gvj fMœvsk
†Kvb cÖwµqvq msMÖn Kiv nq?
78. †gvjvwiwUi GKK Kx?
K cvwbi wbgœgyLx AcmviY
K L mol L L mol-1
L cvwbi Ea٩gLy x AcmviY
M mol L-1 N mol L-1 K-1
M evqiy wbgœgyLx AcmviY 79. GK wjUvi `ªe‡Y 106g Na2CO3 `ªexf~Z _vK‡j H `ªe‡Yi
†gvjvwiwU KZ n‡e?
N evqyi Ea٩gLy x AcmviY
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K 10 mol L-1 L 1 mol L-1 M 0.01 M N 0.001 M
M 0.1 mol L-1 N 1 L mol-1
80. †gvjvwiwU, `ªe‡Yi fi I `ªe‡Yi AvqZ‡bi ga¨Kvi mwVK 88. H2SO4 Gi †gvjvi NbgvÎv bigvj NbgvÎvi-
m¤úK© †KvbwU?
K wظY L Pvi¸Y
M mgvb N A‡a©K
K wjUv‡i `ªe‡Yi AvqZb = †gvjvwiwU †gvj GK‡K 89. 2.0L `ªe‡Y 80g NaOH `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv-
`ª‡ei fi
K 2.0 M L 1. 0 M
L †gvj GK‡K `ª‡ei fi = †gvjvwiwU wjUv‡i M 0. 5 M N 0.2 M
`ªe‡Yi AvqZb
90. 0.5M NaOH `ªeY ej‡Z †evSvq-
M †gvjvwiwU = †gvj GK‡K `ª‡ei fi wjUv‡i K 1 kg `ªe‡Y 40 g NaOH `ªexf~Z Av‡Q
`ªe‡Yi AvqZb
L 1 kg `ªe‡Y 20g NaOH `ªexfZ~ Av‡Q
N †gvjvwiwU = †gvj GK‡K `ª‡ei fi wjUv‡i
`ªe‡Yi AvqZb M 1 L `ªe‡Y 20g NaOH `ªexfZ~ Av‡Q
81. †mvwWqvg Kve©‡bi 500 mL ‡Wwm‡gjvi `ªe‡Y KZ MÖvg `ªe N 1 L `ªe‡Y 40g NaOH `ªexf~Z Av‡Q
`ªexf~Z _vK‡e?
91. †gvjvwiwUi †P‡q †gvjvwjwUi mwy eav †ewk, KviY-
K 10.5 g L 5.3 g K †gvjvwiwUi mvnv‡h¨ cÖKZ… NbgvÎv Rvbv hvq bv
M 0.53 g N 1.06 g L †gvjvwiwU ZvcgvÎv wbf©ikxj bq
82. 30mL 0.25M HCl `ªe‡Y HCl Gi †gvj msL¨v KZ? M †gvjvwiwUi mvnv‡h¨ Ley Kg NbgvÎv wbY©q Kiv hvq
K 0.75 mole L 0.075 mole N †gvjvwiwU ZvcgvÎv wbf©i wKš‘ †gvjvwiwU ZvcgvÎvi
M 0.0075 mole N 0.00075 mole Ici wbfi© kxj bq
83. †Kv‡bv `ªe‡Yi †gvjvwiwU wnmve Kivi we‡eP¨ welq n‡jv-
92. 9.8 g H2SO4 100 mL `ªe‡Y `ªexfZ~ _vK‡j `ªe‡Yi
K `ªe‡Yi †gvU AvqZbL `ªve‡Ki cwigvY NbgvÎv KZ n‡e?
M `ª‡ei cwigvY N K I M Dfq K 0.01 M L 0.1 M
84. 250 mL AvqZ‡bi d¬v‡¯‹ 1.5 ‡gvj `ªe wb‡q 250 mL M 0.05 M N 0.5 M
`ªeY ˆZwi Ki‡j H `ªe‡Yi NbgvÎv KZ n‡e?
93. GKwU wbw`©ó ZvcgvÎv V wjUvi `ªe‡Y n ‡gvj `ªe `ªexfZ~
K 2M L 4M _vK‡j G `ªe‡Yi †gvjvi NbgvÎv-
M 6M N 8M K n mol L-1 L V mol L-1
v N
85. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Y wbw`©ó AvqZ‡b `ª‡ei cwigvY
Rvbv _vK‡j †m `ªeY‡K Kx e‡j? M V n mol L-1 N n L mol-1
v
K m¤ú³„ `ªeY L wgkª `ªeY
M †gvjvi `ªeY N cÖgvY `ªeY 94. †gvjvi `ªe‡Yi NbgvÎv KZ?
86. 250 ML 0.1M Na2CO3 `ªeY ˆZwi Ki‡Z KZ MÖvg K1M L2M
Na2CO3 cÖ‡qvRb?
M 0.1 M N 0.5 M
K 2.56 g L 2.65 g 95. †Wwm‡gvjvi `ªe‡Yi NbgvÎv n‡jv-
M 2.46 g N 26.5 g K 0.1 M L 0.01 M
87. 250 mL cvwb‡Z 1.0 gm NaOH wgwk‡q `ªeY ˆZwi M 0.5 M N1M
Ki‡j D³ `ªe‡Yi NbgvÎv KZ n‡e?
96. †mw›U †gvjvi `ªe‡Yi NbgvÎv n‡jv-
K 1M L 0.1 M K 0.1 M L 0.001 M
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M 0.01 M N1M M 0.2 g N 1.4 g
97. ‡gvjvwiwU ej‡Z †evSvq- 105. †Kv‡bv ‡ivMx‡K 25.0g Mø‡y KvR †hvMvb w`‡Z 0.2 M
`ª‡ei †gvj msL¨v Møy‡Kv‡Ri KZ wgwj `ªeY cÖ‡qvRb n‡e?
K wgwjwjUv‡i `ªe‡Yi AvqZb
K 277.7 mL L 694.4 mL
`ª‡ei †gvj msL¨v M 794.4 mL N 69.44 mL
L wjUv‡i `ªe‡Yi AvqZb 106. 1.25M NaOH Gi 500mL `ªeY KZ MÖvg NaOH
aviY K‡i?
`ª‡ei †gvj msL¨v K 2.5g L 25.0 g
M ‡KwR‡Z `ªe‡Yi AvqZb
M 50.0 g N 40.0 g
N `ª‡ei †gvj msL¨v wjUv‡i `ªe‡Yi AvqZb 107. 1.50L 0.25M Mø‡y KvR (C6H12O6) `ªe‡Y KZ MÖvg
Mø‡y KvR _v‡K?
98. GK wjUvi `ªe‡Y Aa©‡gvj `ªe _vK‡j H `ªeY‡K ejv nqÑ
K 66.0 g L 67.6 g
K †gvjvi `ªeY L †mwg‡gvjvi `ªeY
M 57.6 g N 69.6 g
M †mw›U‡gvjvi `ªeY N †mwg‡gvjvi `ªeY
108. AvqZwbK we‡køl‡Y `ªe‡Yi NbgvÎv cÖKv‡ki †Kvb c×wZ
99. 250mL ‡mwg‡gvjvi Na2CO3 `ªeY cÖ¯‘Z Ki‡Z KZ MÖvg AwaK cÖPwjZ?
Na2CO3 jvM‡e?
K bigvwjwU L †gvjvwjwU
K 13.25g L 26.50g
M †gvjvwiwU N kZKiv cwigvY
M 2.65g N 1.325g
109. j¨ve‡iUwi‡Z †Kvb ai‡bi `ªe‡Yi e¨envi †ewk?
100. 2.355g H2SO4 50mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ n‡e? K †gvjvj `ªeY L †gvjvi `ªeY
K 0.480M L 4.80M M bigvj `ªeY NKIL
M 0.048 M N 2.08 M 110. GK †gvj Na2CO3 = ?
101. evwYwR¨K nvB‡Wªv‡K¬vwiK Gwm‡Wi 12.0M Rjxq `ªe‡Yi K 10.6 L 106
300mL G KZ †gvj HCl _v‡K? M 53 N 106 g
K 0.36 mole L 3.0 mole 111. cÖwZwU wjUv‡i 106 g Na2CO3 `ªexfZ~ _vK‡j `ªe‡Yi
NbgvÎv KZ?
M 3.6 mole N 4.0 mole
102. 0.20M 125mL NaHCO3 `ªeY cÖ¯‘Z Ki‡Z KZ MÖvg K 1.0 M L 0.5 M
NaHCO3 jvM‡e?
M 2.0 M N 0.1 M
K 2.4g L 2.1g 112. cÖwZ wjUvi `ªe‡Y 53g Na2CO3 `ªexfZ~ _vK‡j `ªe‡Yi
NbgvÎv KZ?
M 0.21g N 3.1g
103. 650mL 2.50M H2SO4 `ªeY cÖ¯‘Z Ki‡Z KZ †gvj K 1.0M L 0.1M
H2SO4 cÖ‡qvRb?
M 5.0 M N 0.5 M
K 0.25 mole L 16.2 mole 113. 100 mL `ªe‡Y 10.6 g Na2CO3 `ªexf~Z _vK‡j `ªe‡Yi
NbgvÎv KZ?
M 1.62 mole N 2.5 mole
K 0.5 M L 1.0 M
104. ¯v^ fvweK i‡³ †Kv‡j‡÷ij (C27H46O) Gi NbgvÎv
0.005 M n‡j 250 mL i‡³ KZ MÖvg †Kv‡j‡÷ij M 0. 1 M N 0.01 M
_v‡K?
114. `ªe‡Yi NbgvÎv cÖKv‡ki kZKiv cwigvY‡K Kqfv‡M cÖKvk
K 2.0 g L 0.1g Kiv hvq?
K GK L `By |
M wZb N Pvi 123. 100mL `ªe‡Y 10g `ªe `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv
n‡e-
115. (W/W)% ej‡Z wK †evSvq? K 10% (W/W) L 10% (W/V)
M 10% (V/V) N 10% (W/V)
K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivfv‡e
124. 5% (w/v) `ªeY ej‡Z †evSvq-
L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKivi~‡c K 1000 mL `ªe‡Y 5g `ªe `ªexf~Z
L 1000g `ªe‡Y 5g `ªe `ªexf~Z
M `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi‡~ c M 100 mL `ªe‡Y 5g `ªe `ªexfZ~
N 100 g `ªe‡Y 5g `ªe `ªexf~Z
N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi‡~ c
125. 25% (W/W) `ªeY ej‡Z †evSvq-
116. 100 g `ªe‡Y 12 g Na2CO3 `ªexfZ~ _vK‡j kZKiv K 1000mL `ªe‡Y 5g `ªe `ªexf~Z
wn‡m‡e `ªe‡Yi NbgvÎv n‡e- L 1000g `ªe‡Y 5g `ªe `ªexf~Z
M 100mL `ªe‡Y 5g `ªe `ªexfZ~
K 12% (w/v) L 12%(w/w) N 100g `ªe‡Y 25g `ªe `ªexf~Z
M 12% (v/v) N 12% (v/w)
117. 95 g cvwb‡Z 5g `ªe `ªexfZ~ _vK‡j `ªe‡Yi NbgvÎv KZ 126. 5 g Na2CO3 100 mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi
n‡e? NbgvÎv KZ n‡e?
K 5% (W/V) L 5%(W/W)
K 95% (w/v) L 5%(w/w) M 95%(W/V) N 95%(W/W)
M 5% (v/v) N 12% (v/w) 127. 150g `ªe II `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv KZ?
K 15% (W/V) L 5% (W/W)
118. 80 g cvwb‡Z 20 g HCl `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv M 95% (W/V) N 95% (W/W)
KZ?
128. 30% (W/V) Na2CO3 `ªeY cÖ¯‘wZ‡Z-
K 80% (w/w) L 20%(w/w) K 100g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
L 70g cvwb‡Z 30g Na2CO3 `ªexfZ~ Ki‡Z n‡e
M 15%(w/w) N 5%(w/w) M 1000g cvwb‡Z 30g Na2CO3 `ªexf~Z Ki‡Z n‡e
119. 1000g `ªe‡Y 100g Na2CO3 `ªexf~Z _vK‡j kZKiv N 30g Na2CO3 †K cvwb †hv‡M 100mL Ki‡Z n‡e
wn‡m‡e `ªe‡Yi NbgvÎv KZ? 129. 25% (W/W) `ªeY cÖ¯‘wZ‡Z-
K 100g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
K 100%(w/w) L 100%(w/v) L 25g cvwb‡Z 100g `ªe `ªexfZ~ Ki‡Z n‡e
M 75g cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
M 10%(w/v) N 10% (w/w) N 100mL cvwb‡Z 25g `ªe `ªexf~Z Ki‡Z n‡e
120. (W/V)% ej‡Z †evSvq-
130. (V/V)% ej‡Z †evSvq-
K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivi‡~ c K `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKiviƒ‡c
L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c
L `ª‡ei fi‡K `ªe‡Yi †gvU AvqZb‡i kZKivi‡~ c M `ª‡ei AvqZb‡K `ªe‡Yi ‡gvU AvqZ‡bi kZKiviƒ‡c
M `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi‡~ c
N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c
121. `ª‡ei fi‡K `ªe‡Yi †gvU f‡ii kZKivi~‡c cÖKvk c×wZ
†KvbwU?
K (w/v)% L (w/w)%
M (v/v) N (v/w)%
122. `ª‡ei fi‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c cÖKvk
c×wZ †KvbwU?
K (W/V)% L (W/W)%
M (V/V)% N (V/W)%
|
N `ª‡ei AvqZb‡K `ªe‡Yi †gvU f‡ii kZKiviƒ‡c L `ªe‡Yi `k jÿ fv‡M `ª‡ei hZ fi ev AvqZb
`ªexfZ~ _v‡K
131. `ª‡ei AvqZb‡K `ªe‡Yi †gvU AvqZ‡bi kZKiviƒ‡c cÖKvk
c×wZ †KvbwU? M `ªe‡Yi `k nvRvi fv‡M `ª‡ei hZ fi ev AvqZb
`ªexfZ~ _v‡K
K (W/W)% L (W/V)%
M (V/W)% N (V/V)% N `ªe‡Yi GK nvRvi fv‡M `ª‡ei hZ fi ev AvqZb
`ªexfZ~ _v‡K
132. 5% (V/V) B_vbj ej‡Z †evSvq-
K 95mL cvwb‡Z 5mL weï× B_vbj Av‡Q 139. ‡Kv‡bv `ªe‡Yi cwigvY W1g Ges `ªe‡Y `ªexfZ~ `ª‡ei
cwigvY W2mg n‡j H `ªe‡Y `ª‡ei ppm NbgvÎv =?
L 100mL cvwb‡Z 5mL weï× B_vbj Av‡Q
K W1 106 L W2 106
M 95g cvwb‡Z 5mL weï× B_vbj Av‡Q W2 W1
N 100g cvwb‡Z 5mL weï× B_vbj Av‡Q M W1 103 N W2 103
W2 W1
133. 90mL cvwb‡Z 10mL weï× B_vbj _vK‡j `ªe‡Yi
NbgvÎv KZ n‡e? 140. ‡Kv‡bv `ªe‡Yi AvqZb VmL Ges H `ªe‡Y `ªexf~Z `ª‡ei
K 90% (V/V) L 10% (V/V) cwigvY W2 mg n‡j, H `ªe‡Y `ª‡ei ppm NbgvÎv = ?
M 90% (W/V) N 10% (W/V) K W2 106 L W2 106
134. 15%(V/V) HCl `ªeY cÖ¯‘Z Ki‡Z- V W1
K 100mL cvwb‡Z 15g HCl `ªexfZ~ Ki‡Z n‡e M V 106 N W1 106
W2 W2
L 100mL cvwb‡Z 15mL HCl `ªexf~Z Ki‡Z n‡e
M 85g cvwb‡Z 15g HCl `ªexfZ~ Ki‡Z n‡e 141. ‡Kvb ai‡bi `ªe‡Yi †ÿ‡Î ppm GKK e¨envi Kiv nq?
N 85mL cvwb‡Z 15mL HCl `ªexf~Z Ki‡Z n‡e K `ªe‡Y `ªexfZ~ `ª‡ei cwigvY †ewk n‡j
135. 1000mL `ªe‡Y 50mL `ªe _vK‡j `ªe‡Yi NbgvÎv KZ? L `ªe‡Y `ªexf~Z `ª‡ei cwigvY Aí n‡j
K 50% (V/V) L 5% (V/V) M `ªe‡Y `ªexf~Z `ª‡ei cwigvY AwZ Aí n‡j
M 50% (W/V) N 5% (W/V) N `ªe‡Y `ªexf~Z `ªe bv _vK‡j
136. 20% (W/V) `ªeY ej‡Z †evSvq-
K 1000mL `ªe‡Y 20mL `ªe Av‡Q 142. 5% (W.V) Na2CO3 `ªe‡Yi †gvjvi NbgvÎv KZ?
L 1000mL `ªe‡Y 200mL `ªe Av‡Q K 0.1747 M L 4.717 M
M 1000g `ªe‡Y 20mL `ªe Av‡Q M 0.04717 M N 0.4717 M
N 1000g `ªe‡Y 20g `ªe Av‡Q 143. 1L ev 1000mL `ªe‡Yi g‡a¨ `ª‡ei MÖvg AvYweK fi
cwigvb `ªexf~Z _vK‡j H `ªe‡Yi gvÎv -
137. 5% (W/V) H2SO4 ej‡Z †evSvq- K 10M L 1M
K 100g `ªe‡Y 5g H2SO4 Av‡Q M 100M N 1000M
L 100mL `ªe‡Y 5mL H2SO4 Av‡Q 144. 0.05M Na2CO3 `ªe‡Yi cÖwZ wjUv‡i `ªexfZ~ Na2CO3
M 100mL `ªe‡Y 5g H2SO4 Av‡Q =?
N 100g `ªe‡Y 5mL H2SO4 Av‡Q K 10.6 g L 5.3 g
138. `ªe‡Yi ppm NbgvÎv ej‡Z †evSvq-
M 53g N 1.06g
K `ªe‡Yi GK jÿ fv‡M `ª‡ei hZ fi ev AvqZb 145. 0.05M Na2CO3 `ªe‡Y Na2CO3 Gi cwigvY KZ?
`ªexf~Z _v‡K
K 0.53% (W/V) L 0.5%(W/V)
|
M 0.53% (W/V) N 5.3% (W/V) K 36.6885 dm3 L 3.66885 dm3
M 4.7899 dm3 N 47.899 dm3
146. 0.02M HCl `ªe‡Yi cÖwZ wjUv‡ii `ªexfZ~ HCl Gi 156. 1.15 Av‡cwÿK ¸iæ‡Z¡i 10% (W/W) HCl `ªe‡Yi
cwigvY KZ? mv‡_ weï× Pzbvcv_i bgby vi wewµqvq 37C ZvcgvÎv I
98.95 kPa Pv‡c 1.75 dm3 CO2 M¨vm Drcbœ Ki‡Z KZ
K 18.25g L 1.825g AvqZb HCl cÖ‡qvRb?
M 0.73g N 7.30g
147. 0.02M HCl `ªe‡Y HCl Gi kZKiv cwigvY KZ?
K 0.73% (W/V) L 0.073% (W/V) K 2.80 dm3 HCl L 3.82 dm3 HCl
M 28.43 dm3 N 25.85 dm3
M 7.30% (W/V) N 73% (W/V) 157. GKwU 30% f‡ii H2O2 Gi Rjxq `ªe‡Yi NbZ¡ 1.11
148. 0.01M Na2CO3 `ªe‡Yi kZKiv cwigvY KZ- g/mL n‡j `ªe‡Yi H2O2 Gi †gvjvwiwU KZ?
K 10.6% (W/V) L 106% (W/V)
M 1.06% (W/V) N 0.53% (W/V) K 7.99 M L 8.97 M
149. 5% (W/V) H2SO4 `ªe‡Yi NbgvÎv KZ?
M 9.79 M N 8.79 M
K 5.102 M L 0.5102 M 158. Avawy bKKv‡j j¨ve‡UiwU‡Z `ªe‡Yi gvÎv †gvjvwiwUi cwie‡Z©
†Kvb GK‡K cÖKvk Kiv nq?
M 0.05102 M N 0.0051 M
150. 5% (W/V) HCl `ªe‡Yi †gvjvi NbgvÎv KZ? K wgwjMÖvg L wjwcwe
K 13.69M L 1.369 M M wcwcwU N wcwcGg
M 0.1369M N 0.01369M 159. j¨ve‡UwiwU‡Z `ªe‡Yi gvÎv --------- nIqvB evÃbxq|
151. 5% (W/V) NaOH `ªe‡Yi †gvjvi NbgvÎv KZ? K ‡ewk L Aí
K 1.0M L 0.125M M A‡bK †ewk N 1M
M 1.25M N 12.5M 160. 1000mL `ªe‡Y 36.5g HCl `ªexf~Z _vK‡j HCl `ªe‡Yi
gvÎv KZ?
152. hw` 100g m‡y µv‡Ri `ªe‡Y 15g weï× my‡µvR _v‡K, Z‡e
H `ªe‡Y my‡µv‡Ri NbgvÎv KZ? K 0.1M L 1.0M
K 10% (W/V) L 10% (W/W) M 10.0M N 0.5M
M 10% (V/V) N 80% (W/W 161. 1000mL `ªe‡Y 49g H2SO4 `ªexfZ~ _vK‡j `ªe‡Yi gvÎv
153. 10% (V/V) A¨vj‡Kvnj ej‡Z eSy vq- KZ?
K cÖwZ 100g `eª ‡Y 10g A¨vj‡Kvnj `ªexf~Z Av‡Q K 1.0N L 2.0M
L cÖwZ 100mL `ªe‡Y 10g A¨vj‡Kvnj `ªexf~Z Av‡Q M 0.5M N 1.0M
M cÖwZ 100mL `ªe‡Y 10mL A¨vj‡Kvnj `ªexf~Z Av‡Q 162. cÖwZ wjUvi `ªe‡Y wgwjMÖvg cwigvY `ªe `ªexf~Z _vK‡j H
N cÖwZ 100g `ªe‡Y 10mLA¨vj‡Kvnj `ªexf~Z Av‡Q `ªe‡Yi NbgvÎv KZ n‡e?
154. 10% Na2CO3 `ªe‡Yi †gvjvwiwU‡Z NbgvÎv KZ? K ‡gvjvi NbgvÎv L bigvj NbgvÎv
K 0.9465 mol.kg–1 L 0.9434 mol.L–1
M 9.434 mol.kg–1 N 9.434 mol–1L M ppm N ppb
155. 1.15 Av‡cwÿK ¸iæ‡Z¡ 15% (W/W) HCl `ªe‡Yi mv‡_ 163. cÖwZ wgwjwjUvi `ªe‡Y `ª‡ei gvB‡µvMÖvg cwigvY `ªexf~Z
weï× Pbz vcv_i bgby vi wewµqvq 37C ZvcgvÎv I 98.75
kPa Pv‡c 1.75 dm3 CO2 M¨vm Drcbœ Ki‡Z KZ AvqZb _vK‡j H `ªe‡Yi NbgvÎv KZ n‡e?
HCl cÖ‡qvRb?
K ppb NbgvÎv L ppm NbgvÎv
M bigvj N ‡gvjvj
164. GKwU `ªe‡Yi NbgvÎv 5ppm ej‡Z †evSvq?
K cÖwZ wjUv‡i `ªexfZ~ `ª‡ei cwigvY 5mg
|
L cÖwZ wjUv‡i `ªexf~Z `ª‡ei cwigvY 5g 171. wb‡Pi †KvbwU mwVK?
M cÖwZ wgwjwjUv‡i `ªexfZ~ `ª‡ei cwigvY 5g K 1mg = 110–3g = 1103g
N cÖwZ wgwjwjUv‡i `ªexfZ~ `ª‡ei cwigvY 5L L 1mg = 110–3g = 1103g
165. NaOH `ªe‡Yi NbgvÎv 10ppm ej‡Z †evSvq- M 1 mg = 110–3 g = 1103g
K 1L `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10g N 1 mg = 1103g = 10–3 g
L 1L `ªe‡Y `ªexfZ~ NaOH Gi cwigvY 10mg
M 1L `ªe‡Y `ªexf~Z NaOH Gi cwigvY 10g 172. AvqZb, fi I Nb‡Z¡i g‡a¨Kvi m¤ú©K n‡jv-
N 100mL `ªe‡Y `ªexfZ~ NaOH Gi cwigvY 10g K AvqZb fi L NbZ¡ fi
NbZ¡ AvqZb
166. cÖwZ wjUvi `ªe‡Y 15mg HCl `ªexfZ~ _vK‡j `ªe‡Yi gvÎv
KZ? M fi = AvqZb NbZ¡ N meKwU
173. 1ppm = ?
K 15M L 15N K 1g.cm L 1g.cm–1
M 15 ppb N 15 ppm M 1g.cm3 N 1g.cm–3
167. cÖwZ wjUvi `ªe‡Y 120g NaOH `ªexfZ~ _vK‡j `ªe‡Yi 174. wb‡Pi †Kvb m¤úK©wU mwVK?
NbgvÎv KZ?
K 1molar = 1 mol.L–1
K 0.012 ppm L 0.12 ppm L 1molar = 1 mol.dm–3
M 1.2 ppm N 12.0 ppm M 1molar = 1 mol.m–3
168. H2SO4 `ªe‡Yi NbgvÎv 8ppm ej‡Z †evSvq- N 1molar = 1 mol.dm–2
K cÖwZ wgwjwjUvi `ªe‡Y 8g H2SO4 Av‡Q 175. 1 ppm = ?
K 1 mg.dm–3 L 1 mg.L–1
L cÖwZ wgwjwjUvi `ªe‡Y 8g H2SO4 Av‡Q M 1103g.dm–3 N meKwU
M cÖwZ wgwjwjUvi `ªe‡Y 8mg H2SO4 Av‡Q 176. 510–3g Abv`ª© Na2CO3 Gi 100mL `ªe‡Yi NbgvÎv
ppm GK‡K KZ?
N cÖwZ wgwjwjUvi `ªe‡Y 8L H2SO4 Av‡Q
169. 1 ppm = ? K 5ppm L 10ppm
K 1Ask `ª&e L 1g `ª&e M 50 ppm N 500ppm
1106 Ask `ª&eY 1106 `ª&eY
177. cvwbi bgby vq 0.01 ppm Pb2+ Avqb _vK‡j Pb2+
M 1106 g
1g `ª&eY N me KwU Avq‡bi cwigvY KZ?
170. wb‡Pi †Kvb m¤úK©wU mwVK? K 1.010–3g.L–1 L 1.010–5g.L–1
M 1.010–5mg.L–1N 1.010–3mg.L–1
K 1 Ask `ª&e 106 g `ª&e 178. 0.01 ppm Pb2+ bgby v `ªe‡Y Pb2+ Avq‡bi †gvjvi
1106 Ask `ª&eY 1g `ª&eY NbgvÎv KZ?
L 1 Ask `ª&e 106 g `ª&e K 4.8309M L 4.830910–3M
1106 Ask `ª&eY 1g `ª&eY
M 4.830910–8M N 0.830910–8M
M 1 Ask `ª&e 1g `ª&e 179. 0.01M 250mL NaOH `ªe‡Yi gvÎv ppm GK‡K KZ?
1106 Ask `ª&eY 106 g `ª&eY
K 4 ppm L 400 ppm
N 1 Ask `ª&e 1g `ª&e M 40 ppm N 4103 ppm
1106 Ask `ª&eY 1g `ª&eY
180. 0.01M 250mL NaOH `ªe‡Y NaOH Gi kZKiv
cwigvY KZ?
|
K 410–2% (W/V) L 4% (W/V) M kZKiv nvi N bigvwjwU
M 40% (W/V) N 0.4% (W/V) 189. i‡³ Mø‡y Kv‡Ri NbgvÎv 0.005M n‡j, ppm GK‡K
NbgvÎv KZ?
181. 0.02M 100mL HCl `ªe‡Yi gvÎv ppm GK‡K KZ?
K 73 ppm L 730 ppm K 90.0 ppm L 9.0 ppm
M 7.30 ppm N 7300 ppm M 900 ppm N 990 ppm
182. ‡gvjvi NbgvÎv‡K ppm GK‡K cÖKv‡ki †ÿ‡Î gj~ wbqvgK 190. wUDeI‡q‡ji cvwb‡Z Fe3+ Gi NbgvÎv 0.003M n‡j H
†KvbwU?
cvwb‡Z KZ ppm Fe3+?
K AvqZb L fi K 16 ppm L 16.755 ppm
M ZvcgvÎv N `ª‡ei cwigvY M 26.75 ppm N 1.6 ppm
191. 3.2M Na2CO3 `ªe‡Yi NbgvÎv kZKivq KZ?
183. ‡gvjvi NbgvÎv‡K kZKiv GK‡K cÖKv‡ki ‡ÿ‡Î g~j
wbqvgK †KvbwU? K 30.92% L 33.92%
K `ªve‡Ki cwigvY L AvqZb M 43.90% N 23.90%
M `ª‡ei cwigvY N ZvcgvÎv 192. 1ppm = ?
184. 200mL 115 ppm HCl `ªe‡Yi g‡a¨ HCl Gi cwigvY K 0.001% L 0.0001%
KZ?
M 0.00001% N 0.01%
K 0.025g L 0.25g 193. `ª‡ei kZKiv fi, `ª‡ei fi I `ªve‡Ki f‡ii g‡a¨ mwVK
m¤úK© †KvbwU?
M 0.125g N 1.25g
185. 0.15M H2SO4 `ªeY‡K kZKiv GK‡Ki cÖKvk †KvbwU? K `ª‡ei kZKiv fi `ªve‡Ki fi 100
`ª‡ei fi + `ªve‡Ki fi
K 147% (W/V) L 1.47% (W/V)
M 14.7% (W/V) N 0.147% (W/V) L `ª‡ei kZKiv fi `ªve‡Ki fi 100
`ª‡ei fi `ªve‡Ki fi
186. `ª‡ei †gvj fMœvsk = ?
K `ªve‡Ki †gvj msL¨v M `ª‡ei kZKiv fi `ªve‡Ki fi 100
`ªe‡Yi †gvU †gvj msL¨v `ªve‡Ki fi - `ª‡ei fi
`ª‡ei †gvj msL¨v N `ª‡ei kZKiv fi `ª‡ei fi 100
`ªe‡Yi †gvU †gvj msL¨v `ª‡ei fi + `ªve‡Ki fi
L
M `ªve‡Ki †gvj msL¨v 194. cvwb‡Z ZvcgvÎv wbf©i Aw·‡Rb M¨v‡mi `ªve¨Zv 0C
`ª‡ei †gvj msL¨v ZvcgvÎvq KZ?
K 14.6 ppm L 24.3 ppm
`ª‡ei †gvj msL¨v M 12.0 ppm N 25.6 ppm
`ªve‡Ki †gvj msL¨v
N 195. f-~ Mf¯© ’ cvbxq R‡j Av‡m©wb‡Ki Mo cwigvY KZ?
187. GKRb †ivMxi i‡³ Møy‡Kv‡Ri cwigvY 10 wgwj ‡gvj/wjUvi K 3.5 ppb L 3.5 ppm
n‡j wgwjMÖvg/‡WwmwjUvi GK‡K Gi cwigvY KZ?
M 2.5 ppb N 25.6 ppm
K 18 mg/dL L 1.8 mg/dL 196. ppmv ej‡Z Kx †evSvq?
M 280 mg/dL N 180 mg/dL
188. 100 fvM `ªe‡Y hZ fvM `ªe `ªexf~Z _v‡K Zvi cwigvYMZ K Parts per million
cÖKvk‡K Kx e‡j?
L Parts per million by volume
M parts per billion by volume
K ‡gvjvwiwU L ‡gvj fMœvsk N parts per billion
|
197. evqgy Û‡j _vKv Dcv`v‡bi NbgvÎv cÖKvk Kiv nq ‡Kvb K 1.0M L 2.0M
GK‡K?
M 0.5M N 0.1M
K ppT L ppb 205. 1.0M HCl `ªe‡Yi 100mL ‡K 0.1 M HCl `ªe‡Y
M ppmv N ppmw cwiYZ Ki‡Z-
198. MÖvg GjvKvi cwi®‹vi evqy‡Z Uw·K CO M¨v‡mi cwigvY K 100mL cvwb †hvM Ki‡Z n‡e
KZ? L 10 mL cvwb miv‡Z n‡e
K 0.5 ppmv L 0.05 ppmv M 900mL cvwb †hvM Ki‡Z n‡e
M 0.50 ppbv N 0.005 ppmv N 1.0mL cvwb miv‡Z n‡e
199. kn‡ii UªvwdK (hvbevnb) GjvKvq `~wlZ evqy‡Z Uw·K CO 206. 0.5M NaOH `ªe‡Yi 200mL cwigv‡Yi mv‡_ 100mL
M¨v‡mi cwigvY KZ? cvwb †hvM Kiv n‡j wgwkÖZ `ªe‡Yi NbgvÎv KZ?
K 5 ppmv L 50 ppmv K 1.33M L 0.33M
M 30 ppmv N 45 ppmv M 1.0M N 0.5M
200. 3.5g f‡ii U¨ve‡j‡U 40.5 mg Ca _vK‡j Ca Gi 207. 0.1M HNO3 `ªe‡Yi 150mL †K 0.01M `ªe‡Y cwiYZ
Ki‡Z wgwkÖZ `ªe‡Yi AvqZb KZ n‡e?
NbgvÎv ppm GK‡K KZ n‡e?
K 11.6104 ppm L 11.6105 ppm K 1.5L L 15L
M 1.16105 ppm N 1.16104 ppm M 0.15L N 150L
201. wcwcGg (ppm) `ª‡ei fi I `ªve‡Ki f‡ii ga¨Kvi mwVK
208. 0.115M HCl `ªe‡Yi 250mL Gi mv‡_ 250mL cvwb
m¤úK© †KvbwU? †hvM Ki‡j wgwkZÖ `ªe‡Yi NbgvÎv KZ n‡e?
K wcwcGg `ª‡ei fi 106 K 0.5750M L 0.575M
`ª‡ei fi + `ªve‡Ki fi
M 0.115M N 0.23M
L wcwcGg `ªve‡Ki fi 106 209. D”P †gvjvi `ªeY †_‡K wb¤œ †gvjvi `ªeY ˆZwii cÖwµqv‡K
`ª‡ei fi + `ªve‡Ki fi
wK e‡j?
`ª‡ei fi 109 K `ªe‡Yi jNyKiY L `ªe‡Yi MvpxKiY
`ª‡ei fi + `ªve‡Ki fi
M wcwcGg M `ªeY m¤ú³„ KiY N UvB‡Uªkb
N wcwcGg `ªve‡Ki fi 109 210. `ªe‡Yi †gvj msL¨v, †gvjvwiwU I `ªe‡Yi AvqZ‡bi ga¨Kvi
`ª‡ei fi + `ªve‡Ki fi mwVK m¤úK© †KvbwU?
202. jNy `ªeY ej‡Z Kx †evSvq? K `ª‡ei †gvj msL¨v = †gvjvwiwU wjUvi GK‡K
K `ª‡ei cwigvY †ewk, `ªve‡Ki cwigvY Kg `ªe‡Yi AvqZb
L `ª‡ei cwigvY Kg, `ªve‡Ki cwigvY †ewk
M `ªe I `ªve‡Ki cwigvY mgvb L `ª‡ei †gvj msL¨v = †gvjvwiwU wgwjwjUvi GK‡K
N `ª‡ei cwigvY A‡cÿv `ªve‡Ki cwigvY Kg `ªe‡Yi AvqZb
203. `ªeY jNyKi‡Yi †ÿ‡Î †Kvb m¤úK©wU cÖ‡hvR¨? M ‡gvjvwiwU = `ª‡ei †gvj msL¨v wjUvi GK‡K
K V1V2 = M1M2 L V1M2 = V2M1 `ªe‡Yi AvqZb
M V1M1 = V2M2 N 2V1M1 = V2M2
N ‡gvjvwiwU = wjUvi GK‡K `ªe‡Yi AvqZb `ª‡ei
204. 1.0M Na2CO3 `ªe‡Yi 100mL †K 200mL `ªe‡Y ‡gvj msL¨v
cwiYZ Ki‡j `ªe‡Yi NbgvÎv KZ n‡e?
211. evwYwR¨K 12M HCl `ªeY †_‡K 500mL 0.1M HCl
`ªeY ˆZwi Ki‡Z Kx cwigvY 12M Mvp HCl `ªeY
cÖ‡qvRb?
|
K 41.7 mL L 4.17 mL M Dfq `ªe‡Yi NbgvÎv mgvb n‡j
M 8.34 mL N 50 mL N Dfq `ªe‡Yi AvqZb mgvb n‡j
212. Mvp nvB‡Wªv‡K¬vwiK GwmW n‡jv GwU- 218. wbw`©ó ZvcgvÎvq †Kv‡bv `ªe‡Y cvwb‡Z ‡hvM Ki‡j wb‡Pi
†KvbwU cwiewZ©Z nq bv?
K cÖvBgvwi ÷¨vÛvW© c`v_©
L ‡m‡KÛvwi ÷¨vÛvW© c`v_© K `ªe‡Yi AvqZb L `ªe‡Yi NbgvÎv
M wb‡`©kK N cÖfveK M `ªe‡Y `ª‡ei cwigvY N `ªve‡Ki cwigvY
213. evwYwR¨K 18M Mvp H2SO4 `ªeY †_‡K 500mL d¬v‡¯‹ 219. GwmW `ªe‡Y ÿvi †hvM Ki‡j Kx N‡U?
0.1M H2SO4 `ªeY cÖ¯‘Z Ki‡Z KZ AvqZb 18M Mvp
H2SO4 cÖ‡qvRb? K cÖkgb wewµqv L ms‡hvRb wewµqv
M we‡qvRb wewµqv N `nb wewµqv
K 3.8 mL L 2.8 mL 220. cÖkgb wewµqvq Kx Drcbœ nq?
M 28.0 mL N 4.9 mL K cvwb L jeY I cvwb
214. `ªe‡Yi NbgvÎv I AvqZ‡bi cwieZ©b NUv‡bvi wbqg M GwmW N ÿvi
†KvbwU?
221. ‡Kvb wewµqvq GwmW Zvi GwmWZ¡ Ges ÿvi webó K‡i jeY
K x mL y M `ªeY 1mL xyM `ªeY I cvwb Drcbœ K‡i?
L x mL y M `ªeY xymL 1M `ªeY K RviY-weRviY wewµqv L ms‡kølY wewµqv
M x mL y M `ªeY 1mL x M `ªeY M mgvYKy iY wewµqv N cÖkgb wewµqv
y
222. ÿvi `ªe‡Y GwmW †hvM Ki‡j Kx Drcbœ nq?
N K I L DfqB K jeY L jeY I cvwb
215. jNyKiY g~jwfwË †KvbwU? M Kve©b-WvB-A·vBW N cvwb
‡gvjvwiwU 223. ‡h cÖwµqvq Zzj¨ cwigvY GwmW I ÿvi ci¯úi ci¯ú‡ii
K `ª‡ei †gvj msL¨v = wjUvi GK‡K `ªe‡Yi AvqZb mv‡_ wewµqv K‡i wbi‡cÿ †hŠM cY~ © jeY I cvwb Drcbœ
K‡i Zv‡K ejv nq-
L `ª‡ei †gvj msL¨v = †gvjvwiwU wjUvi GK‡K
`ªe‡Yi AvqZb K cwjgviKiY wewµqv L RviY-weRviY wewµqv
M wjUvi GK‡K `ªe‡Yi AvqZb = †gvjvwiwU `ª‡ei M cÖkgb wewµqv N ms‡hvRb wewµqv
†gvj msL¨v
224. cÖkgb wewµqvq gj~ Z Kviv AskMÖnY K‡i?
N ‡gvjvwiwU = wjUvi GK‡K `ªe‡Yi AvqZb K H+ L OH
`ª‡ei †gvj msL¨v
M avZe Avqb NKIL
216. M1 †gvjvwiwUi V1 wjUvi `ªe‡Y cvwb †hvM K‡i M2 225. Gwm‡Wi H+ I ÿv‡ii OH– Avqbh³y n‡q wbi‡cÿ †hŠM
†gvjvwiwUi V2 wjUvi `ªe‡Y cwiYZ Ki‡j †Kvb mÎ~ wU
cÖ‡hvR¨ nq? cvwb Drcbœ nq †Kvb wewµqvq?
K cvwb †hvRb wewµqv L Av`ª© we‡kølY wewµqv
K V1V2 = M1M2 L V1M2 = V2M1 M ms‡hvRb wewµqv N cÖkgb wewµqv
M V1 V2 N V1M1= V2M2 226. Gwm‡Wi AvYweK fi‡K H Gwm‡Wi ÿviKZv Øviv fvM K‡i
M1 M2 †h gvb cvIqv hvq Zv‡K Kx ejv nq?
217. `ªeY jNyKi‡Yi V1M1= V2M2 mÎ~ wU cÖ‡hvR¨ nq- K ‡gvjvi fi L Zzj¨ fi
K Dfq `ªe‡Yi †gvj msL¨v Amgvb n‡j M A¤øZ¡ N ÿviKZ¡
L Dfq `ªe‡Yi †gvj msL¨v mgvb n‡j 227. HCl Gi Zjz ¨ fi KZ?
|
K 36.5 L 35.5 Gwm‡Wi AvYweK fi
K ÿv‡ii A¤øZ¡
M 18.25 N 73 L
228. H2SO4 Gi Zjz ¨ fi KZ? Gwm‡Wi AvYweK fi
Gwm‡Wi A¤øZv
K 98 L 9.8
M 49 N 24.5 ÿv‡ii AvYweK fi
M ÿv‡ii A¤øZ¡
229. Gwm‡Wi Zzj¨ fi = ? N
K Gwm‡Wi AvYweK fi Gwm‡Wi ÿviKZv ÿv‡ii AvYweK fi
Gwm‡Wi A¤øZv
L Gwm‡Wi AvYweK fi
Gwm‡Wi ÿviKZv
237. NaOH Gi Zzj¨ fi KZ?
M Gwm‡Wi AvYweK fi + Gwm‡Wi ÿviKZv K 20 L 40
Gwm‡Wi ÿviKZv M 60 N 80
N Gwm‡Wi AvYweK fi
238. Na2CO3 Gi Zjz ¨ fi KZ?
230. HNO3 Gi Zzj¨ fi KZ? K 106 L 10.6
K 31.5 L 63 M 53 N 5.3
M 60 N 63 239. NaOH Gi A¤øZ¡ KZ?
231. wb‡Pi †KvbwU GK ÿviKxq GwmW? K0 L1
K HCl L H2SO4 M 2 N 2.5
240. NaCO3 Gi A¤øZ¡ KZ?
M Na2SO4 N NaOH
232. HCl Gwm‡Wi ÿviKZ¡ KZ? K0 L1
K1 L2 M2 N3
241. GwmW-ÿvi cÖkgb wewµqv Kq cÖKvi?
M3 N0
233. H2SO4 Gwm‡Wi ÿviKZ¡ KZ? K `yB L wZb
K0 L1 M Pvi N Qq
M2 N3 242. GwmW-ÿvi cÖkgb wewµqvq-
234. HCl(aq) + NaOH(aq) NaCl(aq) + H2O(ℓ); K Zv‡cvrcv`x wewµqv L Zvcnvix wewµqv
wewµqvq `k©K Avqb Kviv?
M GK AvYweK wewµqvN ms‡kølY wewµqv
K Na+ I H+ L H+ I OH– 243. GwmW-ÿvi cÖkgb wewµhvq-
M OH– I Cl– N Na+ I Cl–
K GwmW I ÿvi Df‡qi ag© wejßy nq
235. ÿv‡ii AvYweK fi‡K H ÿv‡ii A¤øZ¡ Øviv fvM K‡i †h gvb L ïay Gwm‡Wi ag© wejßy nq
cvIqv hvq Zv‡K Kx ejv nq?
M ïay ÿv‡ii ag© wejßy nq
K ÿviKZ¡ L A¤øZ¡
N Zvc †kvwlZ nq
M ‡gvjvi fi N Zjz ¨ fi
244. HCl I NaOH Gi cÖkgb wewµqvi cÖkgb Zv‡ci gvb
236. ÿv‡ii Zzj¨ fi = ? KZ?
K 57.34 kJmol–1 L – 57.34 kJmol–1
M – 55.23 kJmol–1 N 55.23 kJmol–1
|
245. UvB‡Uªkb GKwU- 254. 0.675 g f‡ii GK A¤øxq ÿvi‡K cvwb‡Z `ªexf~Z K‡i
50mL `ªeY cÖ¯‘Z Kiv n‡jv| G `ªeY‡K cY~ © cÖkgb Ki‡Z
K fiwgwZK c×wZ L AvqZbwgwZK c×wZ 16mL 1.055M HCl cÖ‡qvRb n‡j, ÿv‡ii AvYweK fi
KZ?
M ms‡kølY c×wZ N K I L
246. A¤ø-ÿvi cÖkgb wewµqvq Drcbœ Zvc gj~ Z- K 30 L 36.5
K cvwb Drcbœ n‡Z wbM©Z Zvc M 40 N 106
L jeY Drcbœ n‡Z wbM©Z Zvc 255. 20mL 0.5M Na2CO3 `ªeY A mL AvqZ‡bi
1.0M NaOH `ªeY, A Gi gvb KZ?
M cvwb Drcbœ n‡Z †kvwlZ Zvc
N jeY Drcbœ n‡Z †kvwlZ Zvc K 10 mL L 20 mL
247. Gwm‡Wi g‡a¨ ÿvi †hvM Ki‡j Gwm‡Wi †kl we›`y hv ÿvi‡K M 40 mL N 5 mL
cY~ © cÖkwgZ K‡i, H †kl we›`‡y K Kx e‡j?
256. 10mL 0.1M HCl `ªe‡Yi g‡a¨ 8mL 0.15M HCl
K wb‡`©kK we›`y L cÖkgb we›`y `ªeY †hvM Kivi d‡j Drcbœ nj A mL 1M HCl `ªeY,
M mgvwß we›`y N L I M DfqB A Gi gvb KZ?
248. cÖkgb we›`y wb‡`©k K‡i †KvbwU? K 18 mL L 2.2 mL
K wewµqvi ïiæ L wewµqvi mvg¨ve¯v’ M 2 mL N 5 mL
M wewµqvi mgvwß N wewµqvi ga¨ Ae¯v’ 257. 25mL 0.5M Na2CO3 `ªeY‡K c~Y© cÖkwgZ Ki‡Z
20mL HCl Gwm‡Wi cÖ‡qvRb n‡j, GwmW `ªe‡Yi gvÎv
249. wb‡`©kK wKfv‡e cÖkgb we›`y wb‡`©k K‡i?
K wb‡Ri fi cwieZ©‡bi gva¨‡g KZ?
L wb‡Ri MÜ cwieZ©‡bi gva¨‡g K 0.25M L 0.625 M
M wb‡Ri AvqZb cwieZ©‡bi gva¨‡g M 1.6 M N 1.25M
N wb‡Ri eY© cwieZ©‡bi gva¨‡g 258. 1.15 Avt ¸iæ‡Z¡i 2mL H2SO4 †K cvwb‡Z `ªexfZ~ K‡i
200mL `ªeY cÖ¯‘Z Kiv n‡jv, `ªe‡Yi gvÎv KZ?
250. ÿv‡ii g‡a¨ GwmW ‡hvM Kivi mgq ÿv‡ii ‡kl we›`y hv
GwmW‡K cY~ © cÖkwgZ K‡i, H †kl we›`y‡K wK e‡j? K 0.1173M L 1.173M
K cÖkgb we›`y L ‰Îa we›`y M 2.23M N 1.33M
M wb‡`©kK we›`y N K I L 259. 2.86g Kvco KvPv †mvWv (Na2CO3.10H2O) cvwb‡Z
`ªexfZ~ K‡i KZ NbgvÎvi 100mL `ªeY cÖ¯‘Z Kiv hv‡e?
251. 1.06 Abv`ª© Na2CO3 †K cvwb‡Z `ªexf~Z K‡i 200mL K 0.01M L 0.1M
`ªeY cÖ¯‘Z Kiv n‡j, `ªe‡Yi NbgvÎv KZ?
M 0.5M N 1.9M
K 0.5 M L 0.05 M
260. 300mL NaOH `ªe‡Yi 25mL †K cÖkwgZ Ki‡Z
M 0.002M N 0.02 M
18mL 0.1M H2SO4 `ªe‡Yi cÖ‡qvRb n‡j gj~ `ªe‡Y
252. 4.9g H2SO4 200mL `ªe‡Y `ªexf~Z _vK‡j `ªe‡Yi gvÎv NaOH Gi cwigvY KZ?
KZ?
K 1.728 g L 17.28 g
K 2.5 M L 0.25 M
M 23.38 g N 27.27 g
M 0.01 M N 0.1 M
261. xA + yB Drcv`; wewµqvq Rb¨ cÖ‡qvR¨ mgxKiY
253. 0.05M 200mL Na2CO3 `ªeY ˆZwi Ki‡Z cÖ‡qvRbxq †KvbwU?
Na2CO3 Gi cwigvY KZ?
K x VAMA=y VBMB
K 106g L 10.6 g L y VAMA=m VBMB
M 1.06g N 0.53 g
|
M x VAVB=y MAMB 269. ‡Kv‡bv wewµqvq †h me c`v_© Aci †Kv‡bv c`v_©‡K
nvB‡Wªv‡Rb ev Zwor abvZ¥K cigvYy ev g~jK †hvMvb †`q
N y VAVB= x MAMB Zv‡`i‡K e‡j-
262. 50 mL 0.8% (W/V) NaOH `ªe‡Yi g‡a¨ 25mL
K RviK L weRviK
0.5M HCl `ªeY ‡gkv‡bv n‡jv, wgkÖ‡Yi cÖKw… Z wKiƒc
n‡e? M RvwiZ c`v_© N weRvwiZ c`v_©
K A¤øagx© L ÿviagx© 270. RviKmg~n Ab¨ c`v_©‡K RvwiZ Kivi mgq wb‡R-
M wbi‡cÿ N m¤ú³„ K RvwiZ nq L weRvwiZ nq
263. 30mL H2SO4 `ªe‡Yi cY~ © cÖkg‡bi Rb¨ 12.25mL M wbi‡cÿ _v‡K N Aw¯ÍZ¡nxb nq
12M Na2CO3 `ªe‡Yi cÖ‡qvRb n‡j Gwm‡Wi NbgvÎv
KZ? 271. weRviKmgn~ †Kv‡bv c`v_©‡K weRvwiZ Kivi mgq wb‡R-
K RvwiZ nq L weRvwiZ nq
K 0.0304M L 0.408 M M wbi‡cÿ _v‡K N Aw¯ÍZ¡nxb nq
M 0.340 M N 0.400M 272. RviY wewµqvq †h c`v_©wUi RviY N‡U Zv‡K Kx e‡j?
264. ‡h ivmvqwbK wewµqvq †Kv‡bv †gŠj ev †hŠ‡Mi mv‡_ K RvwiZ c`v_© L weRvwiZ c`v_©
Aw·‡Rb ev Ab¨ †Kv‡bv Zwor FYvZ¥K †gŠj ev g~j‡Ki
ms‡hvRb nq †mB wewµqv‡K Kx e‡j? M RviK c`v_© N weRviK c`v_©
K RviY wewµqv L weRviY wewµqv 273. wb‡Pi †KvbwU RviY wewµqv?
M cÖkgb wewµqv N ms‡kølY wewµqv K Mg + Cl2 MgCl2
L CH4 + O2 CO2 + H2O
265. ‡h ivmvqwbK wewµqvq †Kv‡bv †hŠM †_‡K nvB‡Wªv‡Rb ev M MnO2 + 4HCl MnCl2 + 2H2O+Cl2
Ab¨ †Kv‡bv Zwor abvZ¥K †gŠ‡ji ev gj~ ‡Ki AcmviY N‡U N me¸‡jv
†mB wewµqv‡K Kx e‡j?
K cÖkgb wewµqv L cÖwZ¯’vcb wewµqv 274. FeCl2 + Cl2 FeCl3 wewµqvq Kvi RviY N‡U?
M RviY wewµqv N weRviY wewµqv K FeCl2 L FeCl3
266. RviY-weRviY †h c`v_© Øviv RviY N‡U Zv‡K Kx e‡j? M Cl2 NKIM
K RvwiZ c`v_© L weRvwiZ c`v_© 275. 3Cu + 8HNO3 3Cu(NO3)2 + 4H2O + 2NO;
wewµqvq Kvi RviY N‡U?
M weRviK N RviK
267. ‡h wewµqvq †Kv‡bv †gŠj ev †hŠ‡Mi mv‡_ nvB‡Wªv‡Rb ev K HNO3 L NO
Ab¨ †Kv‡bv Zwor abvZ¥K †gŠj ev gj~ ‡Ki ms‡hvRb N‡U M Cu N Cu(NO3)2
Zv‡K Kx e‡j? 276. PbS Gi eY© wKiƒc?
K RviY wewµqv L weRviY wewµqv K mv`v L nj`y
M ms‡kølY wewµqv N cÖwZ¯’vcb wewµqv M jvj N Kv‡jv
268. ‡h wewµqvq †Kv‡bv †gŠj ev †hŠM †_‡K Aw·‡Rb ev Ab¨ 277. PbSO4 Gi eY© wKiƒc?
†Kv‡bv Zwor FYvZ¥K †gŠj ev g~j‡Ki AcmviY N‡U Zv‡K
Kx e‡j? K mv`v L Kv‡jv
K AcmviY wewµqv L cÖwZ¯’vcb wewµqv M nj`y N jvj
M RviY wewµqv N weRviY wewµqv 278. Zn + CuSO4 Cu + ZnSO4 wewµqvq †KvbwUi
RviY N‡U?
K Zn L ZnSO4
M Cu N CuSO4
|
279. wb‡Pi †KvbwU weRviY wewµqv? M RviY N weRviY
K H2 +Cl22HCl 288. Zn(s) + CuSO4(aq) ZnSO4(aq) + Cu(s)
L Mg + O2 MgO wewµqvwU‡Z weRviKiƒ‡c KvR K‡i-
M ZnO + C Zn + CO
K Zn(s) L CuSO4(aq)
N me¸‡jv M ZnSO4(aq) N Cu(s)
280. CuO + H2 Cu + H2O wewµqvq †KvbwU weRvwiZ 289. wb‡Pi wewµqvmg~‡ni g‡a¨ †KvbwU mwVK?
nq?
K Na Na+ + e– (RviY)
K H2O L CuO L Cl + e– Cl– (RviY)
M H2 N Cu M Cu2+ + 2e Cu (RviY)
281. FeCl3 + H2S FeCl3 + 2HCl + S; wewµqvq N Mg2+ + 2e Mg (RviY)
†KvbwU weRvwiZ nq?
290. wb‡Pi †KvbwU RviY wewµqv?
K FeCl3 L H2S K Fe3+ + e– Fe2+ L Fe2+ + 2e– Fe
M Fe Fe2+ + 2e N I2 + 2e 2I–
M FeCl2 N HCl
291. wb‡Pi †KvbwU weRviY wewµqv?
282. CuSO4 + Zn ZnSO4 + Cu; wewµqvq †KvbwU K Cu2+ + 2e Cu L Zn Zn2+ + 2e–
weRvwiZ nq? M Fe3+ + e– Fe2+ N K I L DfqB
K CuSO4 L Zn
M ZnSO4 N Cu 292. ‡h RviY-weRviY wewµqvq GKB c`v_© AvswkKfv‡e RvwiZ
Avevi AvswkKfv‡e weRvwiZ nq Zv‡K Kx e‡j?
283. MnO2 + 4HCl MnCl2 + 2H2O + Cl2; wewµqvq
†KvbwUi RviY N‡U? K cÖkgb wewµqv
K MnO2 L HCl L ¯Z^ tRviY-weRviY wewµqv
M MnCl2 N Cl2 M wØwe‡qvRb wewµqv
284. ‡h ivmvqwbK wewµqvq †Kv‡bv cigvYy, gj~ K ev Avqb
B‡jKUªb Z¨vM K‡i, d‡j mswkøó cigvY,y g~jK ev Avq‡bi N Av`ª© we‡kølY wewµqv
abvZ¥K PvR© e„w× cvq, Zv‡K ejv nq- 293. wb‡Pi †KvbwU ¯^ZtRviY wewµqvi D`vniY?
K RviK L weRviK K FeCl3+ 2H2O + SO2 2FeCl3 + 2HCl
+ H2SO4
M RviY N weRviY
L 2FeCl3 + H2S 2FeCl2 + 2HCl + S
285. ‡h ivmvqwbK wewµqvq †Kv‡bv cigvYy, g~jK ev Avqb M 2KI + Cl2 2KCl + I2
B‡jKUªb MÖnY K‡i Zv‡K Kx e‡j? N 2KClO3 2KCl + 3O2
294. 2Pb(NO3)2 2PbO 4NO2 O2;
K RviK L RviY wewµqvwU‡K ejv nq-
M weRviK N weRviY
286. ‡hme †gŠj, gj~ K ev Avqb wewµqvKv‡j B‡jKUªb MÖnY K‡i, K RviY wewµqv
Zv‡`i Kx ejv nq?
K RviY L weRviK L weRviY wewµqv
M RviK N weRviK M RviY-weRviY wewµqv
287. ‡hme †gŠj, g~jK ev Avqb wewµqvKv‡j B‡jKUªb Z¨vM K‡i N ¯Z^ tRviY weRviY wewµqv
Zv‡`i Kx ejv nq?
K RviK L weRviK
|
295. SnCl2 + 2HgCl2 SnCl2 +2HgCl; wewµqvq 304. ‡hŠ‡Mi wbi‡cÿ ev Avavbwenxb AY‡y Z Dcw¯’Z meKqwU
RviK I weRviK n‡jv h_vµ‡g- cigvYiy RviY msL¨vi †hvMdj-
K HgCl2 I SnCl2 L SnCl2 I HgCl2 K k~b¨ L kb~ ¨ nq bv
M SnCl2 I HgCl N SnCl2 I SnCl4
296. RviK c`v_© †Kvb¸‡jv? M cigvYiy †gvU msL¨v mgvb
N cigvYiy f‡ii mgvb
K KMnO4, K2Cr2O7, I2, CuSO4 305. Avq‡b Dcw¯’Z me cigvYiy RviY msLvi †hvMdj-
L KMnO4, K2Cr2O7, KI, CuSO4
M K2Cr2O7, KI, H2O2, Na2S2O3 K Avq‡b Dcw¯Z’ cigvYy msL¨vi mgvb
N K2Cr2O7, KI, I2, H2O2
297. weRviK c`v_© †Kvb¸‡jv? L Avq‡bi Pv‡R©i mgvb
M kb~ ¨ (0) N GK (1)
306. cviA·vBW †hŠ‡M O Gi RviY msL¨v KZ?
K KMnO4, H2S, KI, Na K+1 L–1
L H2S, KI, I2, Na2S2O3
M H2S, KI, H2O2, Na2S2O3 M–2 N 1
N KI, I2, H2O2, NaOH 2
298. ‡Kv‡bv †gŠ‡ji GKwU cigvYy B‡jKUªb MÖnY ev eR©b K‡i †h
Avq‡b cwiYZ nq †mB Avq‡bi Pv‡R©i msL¨v‡K H †gŠ‡ji 307. OF2 †hŠ‡M O Gi RviY msL¨v KZ?
Kx ejv nq?
K+1 L–1
M–2 N+2
308. mycvi A·vBW O Gi RviY msL¨v KZ?
K A¨v‡fv‡M‡Wªvi msL¨vL RviY msL¨v K 1 L 1
2 2
M RviK msL¨v N weRviY msL¨v
299. GK cigvYywewkó mij Avq‡bi RviY msL¨v Zv‡`i------ M+1 N–2
mgvb|
309. KO2 ‡hŠ‡M O Gi RviY msL¨v -
K ‡hvRbxq L Pv‡R©i K 1
2
M ‡hvRbx I PvR© Df‡qi N B‡jKUª‡bi L–1
300. ‡Kv‡bv cigvYy B‡jKUªb eR©b Ki‡j Zvi RviY msL¨v- M–2 N 1
2
K abvZ¥K L FYvZ¥K
M cÖkg N kb~ ¨ (0) 310. ICl3 I IF3 †hŠ‡M Av‡qvwW‡bi RviY msL¨v-
301. ‡Kv‡bv cigvYy B‡jKUªb MÖnY Ki‡j Zvi RviY msL¨v- K +3, – 3 L +3, +3
K abvZ¥K L FYvZ¥K M – 3, – 3 N +3, 0
M cÖkg N k~b¨ 311. HCl ‡hŠ‡M H I Cl Gi RviY msL¨v KZ?
302. ‡gŠwjK Ae¯v’ q cigvYyi RviY msL¨v- K +1, +1 L – 1, +1
M +1, – 1 N 0, – 1
K `yB L wZb
M GK N kb~ ¨ 312. Cl2 + H2O HCl + HOCl; G wewµqvq Drcbœ
HOCl †hŠ‡M Cl Gi RviY msL¨v KZ?
303. P4 I S8 Gi RviY msL¨v-
K–1 L+1
K +4, +8 L +2, +4
M–2 N+2
M +1, +2 N 0, 0
313. Hg2O I HgO †hŠ‡M Hg Gi RviY msL¨v h_vµ‡g-
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K +2, +1 L +1, +2 325. K2Cr2O7 †hŠ‡M Cr Gi RviY msL¨v KZ?
M +2, 0 N – 1, –2 K+6 L–6
314. ICl †hŠ‡M Av‡qvwWb I †K¬vwi‡bi RviY msL¨v h_vµ‡g- M+3 N–3
K +1, – 1 L – 1, +1 326. [Fe(CN)6]3– ‡hŠ‡M Fe Giv KZ?
M 1, 1 N 0, 0 K+2 L+3
315. MÖæc IA Gi avZzmg‡~ ni RviY msL¨v KZ? M–3 N+4
K +1 L–1 327. [Cu(NH3)4]2+ †hŠ‡M Cu Gi RviY msL¨v KZ?
M+2 N0 K+2 L–2
316. avZe nvBWªvB‡W nvB‡Wªv‡R‡bi RviY msL¨v KZ? M+4 N+1
K +1 L +2 328. C2H2 I CH2Cl2 ‡hŠ‡M Kve©‡bi RviY msL¨v h_vµ‡g-
M–1 N–2 K +1 I –1 L–1I–1
317. avZzi mv‡_ nvB‡Wªv‡Rb h³y n‡q †hŠM MVb Ki‡j H †hŠ‡M M – 1 I k~b¨ N – 1 I +1
H Gi RviY gvb KZ? 329. ‡mvwWqvg †UUªv _v‡qv‡bU (Na2S4O6) †hŠ‡M S Gi RviY
msL¨v KZ?
K–1 L +1
M+2 N0 K +2 L +2.5
318. mvaviYZ cÖvq me †hŠ‡M Aw·‡R‡bi RviY msL¨v KZ? M +4 N +10
K +1 L–1 330. KI3 †hŠ‡M K I I2 Gi RviY msL¨v KZ?
M–2 N +2 K +1, – 1 L +1, –3
319. Aw·‡R‡bi RviY msL¨v wnmve Kiv nq- M +1, 1 N +1, +3
3
K AvYweK ms‡KZ †_‡K L ¯~j’ ms‡KZ †_‡K
M cvigvYweK fi †_‡K N MvVwbK ms‡KZ †_‡K 331. RviY-weRviY wewµqvq cY~ © mgxKi‡Y KqwU Ask _v‡K?
320. ‡Kvb †gŠj¸‡jvi †hvRbx I RviY msL¨v GKB? K `ywU L wZbwU
K H2, Cl2, Na L H2, He, Na M PviwU N cvPu wU
M Na, K, He N He, Ne, Ar 332. weRviK KZK©… B‡jKUªb Z¨v‡Mi d‡j mswkøó †gŠ‡ji cigvYy
ev AvqbwU RvwiZ nq, G‡K Kx ejv nq?
321. CH4 I CCl4 G Kve©‡bi RviY msL¨v KZ?
K+4 L–4 K RviY Aa©wewµqv L weRviY Aa©-wewµqv
M–4I+4 N+4I–4 M RviY-weRviY wewµqv N weRvwiZ nIqv
322. KMnO4 ‡hŠ‡M Mn Gi RviY msL¨v KZ? 333. RviK KZK…© B‡jKUªb MÖn‡bi d‡j mswkøó †gŠ‡ji cigvYy ev
Avqb weRvwiZ nq, G‡K Kx ejv nq?
K+3 L+5
M+7 N–7 K RviY Aa©wewµqv L weRviY Aa©wewµqv
323. H2SO4 †hŠ‡M S Gi RviY msL¨v KZ? M RviY-weRviY Aa©wewµqv N RvwiZ nIqv
K+4 L–4 334. RviY-weRviY wewµqvq RviK KZ…©K Mn„ xZ B‡jKUªb msL¨v
I weRviK KZ…©K Z¨vMK…Z B‡jKUª‡bi msL¨v me`© v-
M+6 N–6
324. Na2S2O3 Gi †ÿ‡Î S Gi RviY msL¨v KZ? K wfbœ n‡e L Awfbœ n‡e
K+2 L+3 M wظb n‡e N A‡a©K n‡e
M–2 N+4
|
335. MnO 8H 5Fe2 Mn 2 4H2O + K Mn++ G L MnO2 G
4
5Fe3+; wewµqvi RviK KZ…©K M„nxZ B‡jKUªb msL¨v KZ? M Mn2+ G N MnO 2 G
4
K 5wU L 3wU 342. Redox wewµqvq ÿvixq MnO wewµqvi ci wK‡m
4
M 7wU N 2wU iƒcvšÍwiZ nq?
336. 2S2O32 I2 S4O62 2I ; wewµqvq weRviK K Mn2+ G L Mn7+ G
KZK…© Z¨vMK…Z B‡jKUªb KqwU?
M MnO2 G N Mn5+ G
K 2wU B‡jKUªb Z¨vM K‡i 343. A¤øxq gva¨‡g K2Cr2O7 Gi Cr2O72 Avqb wewµqvi ci
wK‡m iƒcvšÍwiZ nq?
L 2wU B‡jKUªb MÖnY K‡i
M 4wU B‡jKUªb Z¨vM K‡i K Cr6+ L Cr3+
N 4wU B‡jKUªb MÖnY K‡i M Cr2O3 N Cr5+
337. K2Cr2O7 + 8HCl + 3H2O2 2CrCl3 + 7H2O + 344. A¤øxq gva¨‡g H2C2O4 ev C2O24 wewµqvi ci iƒcvšÍwiZ
O2 + KCl; wewµqvq `k©K Avqb n‡jv- nq-
K K+ I Cr2O72 L K+ I H+ K CO-G L CO2-G
M K+ I Cl– N Cr2O72 I Cl– M CO32 G N H2O G
338. H2O2 + 2KI 2KOH + I2; wewµqvq weRviK KZK©… 345. ÿvixq gva¨‡g C2O24 wewµqvi ci wK‡m iƒcvšÍwiZ nq?
Z¨vMK…Z B‡jKUªb KqwU?
K CO L CO2
K 2wU L 3wU M CO32 N H2O
M 4wU N 5wU 346. Na2S2O3 ev S2O32 Avqb wewµqvi ci wK‡m iƒcvšÍwiZ
nq?
339. jNy H2SO4 hy³ KMnO4 `ªe‡Yi mv‡_ FeSO4 Gi
wewµqvi mgZvK…Z mgxKiY †KvbwU? K S3O62 L S4O62
K 5FeSO4 + 8H2SO4 + 2KMnO4 M SO2 N SO3
5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O
347. KI ev I– Avqb ÿvixq gva¨‡g IO3 G cwiYZ n‡Z KqwU
L 10FeSO4 + 8H2SO4 + KMnO4
5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O B‡jKUªb MÖnY ev eR©b K‡i?
M 10FeSO4 + 8H2O + KMnO4 K 3wU B‡jKUªb Z¨vM K‡i
5Fe2(SO4)3 + K2SO4 + 2MnSO4 + 8H2O
L 3wU B‡jKUªb MÖnY K‡i
N FeSO4 + H2SO4 + KMnO4
Fe2(SO4)3 + K2SO4 + 2MnSO4 + H2O M 6wU B‡jKUªb Z¨vM K‡i
340. ‡mvwWqvg _v‡qvmvj‡dU `ªe‡Y I2 Gi RviY-weRviY
N 6wU B‡jLUªb MÖnY K‡i
wewµqvi mgZvK…Z mgxKiY †KvbwU?
348. Fe3O4 + CO FeO + CO2 wewµqvq Fe cigvYiy
K Na2S2O3 + 2I2 4NaI + Na2S4O6 RviY msL¨v KZ n«vm ev e„w× †c‡q‡Q?
L 2Na2S2O3 + I2 2NaI + Na2S4O6 K +0.67 GKK n«vm L +0.67 GKK ew„ ×
M 2Na2S2O3 + 2I2 4Na2I + Na2S4O6 M +1 GKK e„w× N – 1 GKK e„w×
N Na2S2O3 + I2 NaI + NaS4O4 349. wb‡Pi †KvbwU RviY weRviY wewµqv bq?
341. RviY-weRviY wewµqvq A¤øxq MnO wewµqvi ci K Na2SO4 + Ba(NO3)2 2NaNO3 +
4 BaSO4
cwiewZ©Z nq-
|
L Na2S2O3 + I2 Na2S4O6 + NaI K 2CuSO4 + 2KI 2Cu2SO4 + I2 + KI
M SO2 + Cl2 + H2O H2SO4 + HCl L CuSO4 +2KI K2SO4 + Cu + I2
N 2KClO3 2KCl + 3O2 M 2CuSO4 + 2KI Cu2SO4 + K2SO4 + I2
350. wb‡Pi †KvbwU mwVK? N CuSO4 + KI Cu2SO4 + K2SO4 + 2I2
K H2O2 + 2e 2OH– (weRviY Aa©-wewµqv) 358. 10g FeSO4 †K RvwiZ Ki‡Z KZ MÖvg weï× K2Cr2O7
L H2O2 2H+ + O2 + 2e (RviY Aa©wewµqv) cÖ‡qvRb?
M IO3 12H 10e I2 6H2O K 1.04 g L 2.34 g
(weRviY Aa© wewµqv)
M 3.23 g N 5.52 g
N me¸‡jv 359. UvB‡UªkbKv‡j wewµqvi mgvwß we›`y wbavi© ‡Yi Rb¨ wK
e¨envi Kiv nq?
351. 2IO3 12H ne I2 6H2O ; Aa© K cÖvBgvwi ÷¨vÛvW© c`v_© L ‰Re †hŠM
wewµqvq n Gi gvb KZ?
M wb‡`©kK N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
K5 L8 360. wewµqvi mgvwß we›`y‡Z m¯y úó eY© cwieZ©b N‡U †KvbwU?
M 10 N 12 K Gwm‡Wi L ÿvi‡Ki
352. 2MnO 6H 5H2O2 2Mn 2 + 8H2O M cÖgvY `ªe‡Yi N wb‡`©k‡Ki
4
+5O2; wewµqv ¯’vbvšÍwiZ B‡jKUª‡bi msL¨v KZ? 361. wb‡`©kKmg~n A¤øxq I ÿvixq gva¨‡g cÖ`k©b K‡i-
K5 L7 K GKB eY© L wfbœ wfbœ eY©
M 12 N 10 M njy`
353. Cr2O72 nH 6Fe2 2Crm 7H2O + N ‡Kv‡bv eY© cÖ`k©b K‡i bv
6Fe3+; wewµqvq n I m Gi gvb h_vµ‡g-
362. wb‡`©kK wK?
K n = 8, m = 3 L n = 10, m = 5 K `ey ©j ˆRe GwmW L `ey ©j ˆRe ÿvi
M n = 14, m = 3 N n = 14, m = 2 M `ye©j ˆRe GwmW I `ey ©j ˆRe ÿvi
354. 0.25g FeSO4 †K m¤úY~ ©fv‡e RvwiZ Ki‡Z 0.02M
N `ye©j A‰Re GwmW I ÿvi
NbgvÎvi KZ AvqZb K2Cr2O7 `ªe‡Yi cÖ‡qvRb?
363. UvB‡UªkbKv‡j wb‡`©kK †hvM Kiv nq †Kv_vq?
K 13.719 mL L 4.441 mL
M 7.892 mL N 8.871 mL K KwbK¨vj d¬v‡¯‹ L ey¨‡i‡U
355. jNy H2SO4 hy³ †jvnvi `ªeY‡K m¤ú~Y©fv‡e UvB‡UªU Ki‡Z
0.05M KMnO4 `ªe‡Yi 50mL Gi cÖ‡qvRb n‡j `ªe‡Y M cÖgvY `ªe‡Y N wc‡c‡U
†jvnvi cwigvY KZ?
364. wg_vBj A‡iÄ Kx?
K `ey ©j ˆRe GwmW L kw³kvjx ˆRe GwmW
K 0.702753g L 0.53252 g M `ey ©j ˆRe ÿvi N kw³kvjx ˆRe ÿvi
M 7.02753g N 5.3252 g 365. wg_vBj †iW Kx?
356. 5g FeSO4 †K m¤úY~ ©fv‡e RvwiZ Ki‡Z KZ MÖvg K `ey ©j ˆRe GwmW L Zxeª ˆRe GwmW
KMnO4 cÖ‡qvRb?
M `ye©j ˆRe ÿvi N Zxeª ÿvi
K 1.04 g L 2.04 g 366. ‡dbd_¨vwj‡bi pH cwimi KZ?
M 1.40 g N 2.44 g K 8.3-10.0 L 6.8-8.4
M 4.2-6.3 N 3.1-4.4
357. Kcvi mvj‡dU I cUvwmqvg Av‡qvWvB‡Wi g‡a¨Kvi
wewµqvi mgZvKZ… mgxKiY †KvbwU?
|
367. wg_vBj †i‡Wi pH cwimi KZ? K wg_vBj A‡iÄ
K 8.3-10.0 L 6.3-8.4 L ‡dbd_¨vwjb
M 4.2-6.3 N 4.2-8.4 M ‡h †Kv‡bv wb‡`©kK
368. wg_vBj A‡i‡Äi pH cwimi KZ? N ‡Kv‡bv Dch³y wb‡`©kK †bB
K 3.1-6.3 L 3.1-4.4 379. Zxeª GwmW I g`„ y ÿv‡ii cÖkgb wewµqvq Dchy³ wb‡`©kK
†KvbwU?
M 4.5-6.8 N 6.8-8.4
369. ‡dbd_¨vwjb A¤øxq gva¨‡g Kx eY© †`q? K wg_vBj A‡iÄ L ‡dbd_¨vwjb
K jvj L ‡Mvjvwc M wg_vBj †iW N K I M
M njy` N eY©nxb 380. g„`y GwmW I Zxeª ÿv‡ii wewµqvq Dch³y wb‡`©kK †KvbwU?
370. ‡dbd_¨vwjb ÿvixq gva¨‡g Kx eY© †`q? K ‡dbd_¨vwjb L wg_vBj A‡iÄ
K ‡Mvjvwc L eY©nxb M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK
M jvj N njy` 381. g„`y GwmW I Zxeª ÿv‡ii wewµqvq Dch³y wb‡`©kK †KvbwU?
371. wg_vBj A‡iÄ A¤øxq I ÿvixq gva¨‡g Kx eY© †`q? K wg_vBj A‡iÄ I wg_vBj †iW
K jvj I njy` L nj`y I jvj L ‡dbd_¨vwjb
M ‡Mvjvwc I jvj N njy` I †Mvjvwc M wgkv‡bv wb‡`©kK
372. wg_vBj †iW A¤øxq gva¨‡g Kx eY© †`q? N ‡Kv‡bv Dchy³ wb‡`©kK †bB
K jvj L nj`y 382. HCl GwmW `ªe‡Y wg_vBj A‡i‡Äi eY©-
M ‡Mvjvwc N eY©nxb K jvj L nj`y
373. ‡dbj †iW GwmW `ªe‡Y wKiƒc eY© †`q? M ‡Mvjvwc N eY©nxb
K jvj L njy` 383. HCl I NaOH Gi wewµqvq Dchy³ wb‡`©kK n‡jv-
M ‡Mvjvwc N eY©nxb K ‡dbd_¨vwjb
374. ‡dbj †i‡Wi pH cwimi KZ? L ïaygvÎ wg_vBj A‡iÄ
K 8.3-10.0 L 6.8-8.4 M ‡h‡Kv‡bv wb‡`©kK
M 4.2-6.7 N 3.1-4.4 N ‡Kv‡bv Dchy³ wb‡`©kK †bB
375. wg_vBj †iW ÿvixq gva¨‡g wK eY© aviY K‡i? 384. HCl I NH4OH Gi wewµqvq Dch³y wb‡`©kK n‡jv-
K wg_vBj †iW
K nj`y eY© L jvj eY©
M meRy N eY©nxb L ‡dbd_¨vwjb
376. wb‡Pi †KvbwU `ey ©j ˆRe GwmW? M ‡h‡Kv‡bv wb‡`©kK
K wg_vBj A‡iÄ L wg_vBj †iW N ‡Kv‡bv Dchy³ wb‡`©kK †bB
M wjUgvm N Kve©wbK GwmW 385. HCN I NH4OH Gi wewµqvq Dchy³ wb‡`©kK-
377. wb‡Pi †KvbwU `ey ©j ˆRe ÿvi? K wg_vBj A‡iÄ
K wg_vBj †iW L ‡dbd_¨vwjb L wg_vBj †iW
M A¨v‡gvwbqv N wjUgvm M ‡dbd_¨vwjb
378. Zxeª GwmW I Zxeª ÿv‡ii cÖkgb wewµqvq wb‡`©kK wn‡m‡e N ‡Kv‡bv Dch³y wb‡`©kK †bB
Kx e¨eüZ nq?
386. HF I NaOH Gi wewµqvq Dch³y wb‡`©kK-
|
K ‡dbd_¨vwjb L wg_vBj A‡iÄ K jvj L Kgjv
M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK M njy` N bxj
387. Na2CO3 Gi Rjxq `ªe‡Y wg_vBj A‡iÄ wKiƒc eY© aviY 397. ‡eªv‡gv †db‡ji eY© cwieZ©‡bi pH mxgv KZ?
Ki‡e?
K 3.0-4.6 L 3.1-4.0
K jvj L njy` M 8.3-10.0 N 4.2-6.3
M ‡Mvjvwc N eY©nxb 398. A¤øxq gva¨‡g †eªv‡gv‡dbj wKiƒc eY© aviY K‡i?
388. CuSO4 Gi Rjxq `ªe‡Y wg_vBj †iW wKiƒc eY© aviY K njy` L bxj
Ki‡e?
M jvj N Kgjv
K jvj L nj`y 399. ÿvixq gva¨‡g †eªv‡gv‡dbj wKiƒc eY© aviY K‡i?
M ‡Mvjvwc N eY©nxb K Kgjv L jvj
389. wb‡`©k‡Ki eY© n‡e- M bxj N nj`y
K h‡_ó ¯’vqx L A¯’vqx I D¾¡j 400. _vBgj eøy-i eY© cwieZ©‡bi pH mxgv KZ?
M Ab¾y ¡j N h‡_ó ¯’vqx I D¾¡j K 1.2-2.8 L 3.0-4.6
390. Al2(SO4)3 Gi Rjxq `ªe‡Y †dbd_¨vwjb wKiƒc eY© aviY M 6.0-7.6 N 7.2-8.8
Ki‡e?
401. wb‡Pi †KvbwU A¤øxq `ªe‡Y jvj eY© Ges ÿvixq `ªe‡Y njy`
K jvj L njy` eY© †`Lvq?
M ‡Mvjvwc N eY©nxb K wg_vBj †iW L _vBgj eøy
391. wewµqvi mgvwß we›`y wbY©‡q ¸iæZ¡c~Y© fwy gKv cvjb K‡i M wg_vBj A‡iÄ N me¸‡jv
K cÖgvY `ªeY L cixÿYxq `ªeY 402. _vBgj_¨vwj‡bi eY© cwieZ©‡bi pH mxgv KZ?
M wb‡`©kK N cÖvBgvwi ÷¨vÛvW© c`v_© K 8.2-9.8 L 8.3-10.5
392. UvB‡UªkbKv‡j wewµqvi mgvwß we›`y wba©vi‡Yi Rb¨ KwbK¨vj M 6.8-8.4 N 3.8-5.4
d¬v‡¯‹i `ªe‡Y GKwU ˆRe †hŠM e¨envi Kiv nq, H ˆRe
†hŠM‡K Kx ejv nq? 403. wb‡Pi †KvbwU A¤øxq gva¨‡g eY©nxb A_P ÿvixq gva¨‡g bxj
eY© aviY K‡i?
K wb‡`©kK L indicator K wg_vBj A‡iÄ L ‡dbd_¨vwjb
M mP~ K N me¸‡jv M _vBgj_¨vwjb N wg_vBj †iW
393. 20mL cÖgvY 0.1M Na2CO3 `ªe‡Y `‡y dvUv wg_vBj 404. Zxeª ÿviK Øviv Zxeª GwmW‡K UvB‡Uªk‡bi mgq cÖkgb
A‡iÄ †hvM Ki‡j `ªe‡Yi eY© †Kgb n‡e? we›`‡y Z pH cwieZ©‡bi mxgv KZ?
K Kgjv L njy` K 3.1-9.7 L 4.0-9.0
M jvj N ‡Mvjvwc M 6.0-11.0 N 3.5-7.0
394. wjUgvm †ccv‡i eY© cwieZ©‡bi pH mxgv KZ? 405. g`„ y ÿviK Øviv g„`y GwmW‡K UvB‡Uªk‡bi †ÿ‡Î cÖkg we›`‡y Z
K 6.0-8.0 L 3.1-4.0 pH cwieZ©‡bi mxgv KZ?
M 1.2-2.8 N 8.3-10 K 3.1-9.7 L 6.0-11
395. A¤øxq `ªe‡Y wjUgvm †ccvi Kx eY© aviY K‡i? M 3.5-7.0 N 0 (kb~ ¨)
K bxj L jvj 406. CH3COOH I NH4OH `ªe‡Yi UvB‡Uªk‡b e¨eüZ
wb‡`©kK n‡jv-
M nj`y N Kgjv
396. ÿvixq `ªe‡Y wjUgvm †ccvi Kx eY© aviY K‡i? K wg_vBj A‡iÄ
|
L ‡dbd_¨vwjb K nvjKv njy` L nvjKv meyR
M ‡h‡Kv‡bv wb‡`©kK M jvj N eY©nxb
N ‡Kv‡bv wb‡`©kKB Dc‡hvMx bq 417. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©?
407. CH3COOH I NaOH `ªe‡Yi UvB‡Uªk‡b e¨eüZ K NaOH `ªeY L Na2CO3 `ªeY
wb‡`©kK n‡jv-
M HCl `ªeY N H2SO4 `ªeY
K ‡dbd_¨vwjb L wg_vBj A‡iÄ 418. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
M wg_vBj †iW N ‡h‡Kv‡bv wb‡`©kK K Na2CO3 `ªeY L K2Cr2O7 `ªeY
408. CH3COOH ebvg NH4OH `ªe‡Yi UvB‡Uªk‡b cÖkgb M HCl `ªeY N A·vwjK GwmW `ªeY
we›`y‡Z pH cwieZ©‡bi mxgv KZ?
419. wb‡Pi †KvbwU cÖgvY `ªeY cÖ¯‘wZ‡Z e¨eüZ nq?
K 9.12-12.0 L 3.1-9.7 K Na2CO3 L Na2S2O3.5H2O
M 3.5-7.0 N 0 (k~b¨)
M KMnO4 N NaOH
409. GwmW-ÿvi UvB‡Uªk‡bi wb‡`©kK wn‡m‡e wK e¨envi Kiv 420. wb‡Pi †KvbwU cÖgvY `ªeY cÖ¯‘wZ‡Z e¨eüZ nq bv?
nq?
K cUvwmqvg WvB‡µv‡gU
K mv`v dzj L iwOb djz
L B‡_b WvB AwqK GwmW
M ‡h‡Kvb Dw™¢` N iwOb cvZv
M Kw÷K †mvWv
410. d‡z ji cvcwoi is cvwb‡Z fv‡jv g‡Zv `ªexf~Z bv n‡j Gi
mv‡_ Kx †hvM Ki‡Z nq? N Abv`ª© †mvwWqvg Kve©‡bU
K B_vbj L wg_vbj 421. Na2CO3 `ªeY HCl `ªe‡Yi UvB‡Uªk‡b wb‡`©kK wn‡m‡e
e¨envi Kiv nq-
M ‡dbj N ‡ebwRb
K wg_vBj A‡iÄ
411. iwOb Dw™¢` ev d‡z ji cvcwo †_‡K cÖ¯‘Z Kiv hvq-
L ‡dbd_¨vwjb
K cÖfveK L wb‡`©kK
M ‡h‡Kv‡bv wb‡`©kK
M wg_vBj A‡iÄ N ‡dbd_¨vwjb
N ‡Kv‡bv Dch³y wb‡`©kK †bB
412. wb‡`©kK `ªeY cÖ¯‘wZ‡Z e¨envi Kiv hvq-
422. Na2CO3 GKwU-
K iwOb †Mvjvc L mv`v †Mvjvc K wØ-GwmWxq ÿvi L wØ-ÿviKxq GwmW
M iRbxMÜv N mv`v Rev M GK GwmWxq ÿvi N GK ÿviKxq GwmW
413. Rev d‡z ji im GwmW `ªe‡Y Kx eY© aviY K‡i? 423. wb‡Pi †KvbwU GK ÿvixq GwmW?
K ‡Mvjvwc L meRy K H2SO4 L HCl
M jvj N njy` M NaOH N NaCl
414. mej GwmW I mej ÿv‡ii cÖkgb we›`y‡Z pH gvb KZ? 424. HCl Gwm‡Wi †gvjvi NbgvÎv ej‡Z eySvq-
K 3.0 L 3.6 K cÖwZ wjUvi `ªe‡Y `ªexfZ~ HCl Gi cwigvY
M 7.0 N 9.3 L cÖwZ wgwj `ªe‡Y `ªexfZ~ HCl Gi cwigvY
415. GwmW ÿvi wb‡`©kK n‡jv- M cÖwZ wK‡jvMÖvg `ªe‡Y `ªexf~Z HCl Gi cwigvY
K jvj Rev d‡z ji gvb L njy‡`i im N cÖwZ MÖvg `ªe‡Y `ªexf~Z HCl Gi cwigvY
M jvj †Mvjv‡ci im N me¸‡jv 425. ‡gvjvi `ªeY = ?
K mol. L
416. 20mL 0.1M NaOH `ªe‡Y Rev dz‡ji gvb im †hvM L mol.L–1
Ki‡j `ªe‡Yi eY© Kxiƒc n‡e?
|
M L.mol–1 N molL–1K–1 ÿv‡ii NbgvÎv e¨eüZ ÿv‡ii AvqZb
M Gwm‡Wi NbgvÎv Gwm‡Wi AvqZb =
426. ÔXÕ M 1L HCl `ªe‡Y HCl Gi cwigvY KZ?
K 36.5 g L 36.5 Xg Gwm‡Wi †gvj msL¨v
ÿv‡ii †gvj msL¨v
M 36.5 g N (36.5+X)g
X
N ÿv‡ii NbgvÎv Gwm‡Wi NbgvÎv = e¨eüZ
427. Na2CO3 I HCl Gi UvB‡Uªk‡b msNwUZ ivmvqwbK
wewµqvi mwVK mgxKiY †KvbwU? ÿv‡ii AvqZb Gwm‡Wi AvqZb
K Na2CO3+2HCl 2NaCl+H2O+CO2 432. A·vwjK GwmW I NaOH `ªe‡Yi UvB‡Uªk‡b wb‡`©kK
n‡jv-
L Na2CO3 + 2HCl NaCl + H2O+2CO2
K wg_vBj A‡iÄ L wg_vBj †iW
M Na2CO3(aq) + 2HCl (aq) 2NaCl(aq)
+ H2O (ℓ) + CO2(g) M ‡dbd_¨vwjb N ‡h‡Kv‡bv wb‡`©kK
N Na2CO3(aq) + 2HCl (aq) 433. ‡hme c`v_© cÖK…wZ‡Z weï× Ae¯v’ q cvIqv hvq Ges Zvi
2NaCl(aq) + H2O (ℓ) + CO2(g) `ªeY‡K `xNw© `b †i‡L w`‡jI `ªe‡Yi NbgvÎvi cwieZ©b N‡U
bv, Zv‡`i Kx ejv nq?
428. HCl `ªe‡Yj MÖvg AvYweK fi-
K 36.5 L 36.5 g mol–1 K cÖfveK
M 35.5 g mol–1 N 35.5 L ‡m‡KÛvwi ÷¨vÛvW© c`v_©
429. 10mL 0.1M Na2CO3 `ªeY‡K cÖkgb Ki‡Z e¨eüZ M wb‡`©kK
HCl `ªe‡Yi AvqZb 15mL n‡j HCl `ªe‡Yi AvqZb
N cÖvBgvwi ÷¨vÛvW© c`v_©
NbgvÎv KZ? 434. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©?
K 0.033M L 0133 M K H2C2O4.2H2O L CO2
M 1.33M N 0.33M M KMnO4 N Na2S2O3.5H2O
430. ‡h UvB‡Uªk‡b cixÿYxq `ªeY I cÖgvY `ªeYiƒ‡c A¤ø I ÿvi 435. cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq-
`ªeY e¨eüZ nq Zv‡K Kx e‡j? K cÖfveK L wb‡`©kK
K UvB‡Uªkb L RviY-weRviY UvB‡Uªkb M cÖvBgvwi ÷¨vÛvW© c`v_©
M A¤ø-ÿvi UvB‡Uªkb N me¸‡jv N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
431. UvB‡Uªkb wewµqvq e¨eüZ `ªe‡Yi AvqZb I †gvjvi 436. wb‡Pi †KvbwU‡K weï× Ae¯v’ q cvIqv hvq bv?
NbgvÎvi g‡a¨ m¤úK© †KvbwU?
K Na2CO3 L NaOH
ÿv‡ii NbgvÎv e¨eüZ ÿv‡ii AvqZb
K Gwm‡Wi NbgvÎv Gwm‡Wi AvqZb = M K2Cr2O7 N H2C2O4.2H2O
437. evqyi ms¯ú‡k© AcwiewZ©Z _v‡K-
ÿv‡ii †gvj msL¨v K Na2C2O4.2H2O L KMnO4
Gwm‡Wi †gvj msL¨v
M H2SO4 N Na2S2O3.5H2O
ÿv‡ii AvqZb Gwm‡Wi AvqZb 438. msiÿY Ki‡j `xNK© vj weï× _v‡K-
L ÿv‡ii NbgvÎv Gwm‡Wi NbgvÎv
= K NaOH `ªeY L Na2CO3 `ªeY
ÿv‡ii †gvj msL¨v
Gwm‡Wi †gvj msL¨v M H2SO4 `ªeY N HCl `ªeY
439. evqyi CO2, O2 I Rjxqev®ú Øviv AvµvšÍ nq bv-
K A·vwjK GwmW
|
L Kw÷K †mvWv L ‡m‡KÛvwi ÷¨vÛvW© c`v_©
M nvB‡Wªv‡K¬vwiK GwmW M ‡mvwWqvg _v‡qvmvj‡dU
N ‡mvwWqvg _v‡qvmvj‡dU NKIL
440. ‡Kvb `ªe‡Yi NbgvÎv `xN©w`b hver AcwiewZ©Z _v‡K? 448. B‡_b WvBAwqK Gwm‡Wi ms‡KZ †KvbwU?
K 0.1M K2Cr2O7 `ªeY K C2H2O4 L Na2S2O3
L 0.1M NaOH `ªeY M C2H4O2 N Na2C2O4
M 0.1M KMnO4 `ªeY 449. ‡hme c`v_© evqyi Dcv`vbmg~n Øviv mn‡R AvµvšÍ nq Ges
N 0.2M HCl `ªeY Gme c`v‡_©i `ªe‡Yi NbgvÎv mv‡_ mv‡_ cwiewZ©Z n‡q hvq
441. wb‡Pi †KvbwU cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq bv? Zv‡`i‡K Kx ejv nq?
K FeSO4 L Na2CO3 K weRviK c`v_©
M K2Cr2O7 N Na2C2O4.2H2O L wb‡`©kK
442. j¨ve‡iUwi‡Z wWwRUvj e¨v‡jÝ ev cj-ewy ½ e¨v‡j‡Ýi M cÖvBgvwi ÷¨vÛvW© c`v_©
mvnv‡h¨ IRb K‡i cÖgvY `ªeY ˆZwi Kiv hvq †KvbwU? N ‡m‡KÛvwi ÷¨vÛvW© c`v_©
K Na2C2O4.2H2O L Na2S2O3.5H2O 450. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
M KMnO4 N NaOH K cUvwmqvg cvig¨v½v‡bU L cUvwmqvg
WvB‡µv‡gU
443. AvqZwbK we‡køl‡Y cÖgvY `ªeY ˆZwi‡Z e¨eüZ nq-
K cÖvBgvwi ÷¨vÛvW© c`v_© M A·vwjK GwmW N ‡mvwWqvg Kve©‡bU
L ‡m‡KÛvwi ÷¨vÛvW© c`v_© 451. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
M ‡mvwWqvg _v‡qvmvj‡dU K H2SO4 L HCl
N cUvwmqvg cvig¨v½v‡bU M Na2S2O5.5H2O N Na2C2O4.2H2O
444. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_© bq? 452. ‡m‡KÛvwi ÷¨vÛvW© c`v_©-
K Na2CO3 L K2Cr2O7 K weï× Ae¯v’ q cvIqv hvq bv
M Na2C2O4.2H2O N Na2S2O3.5H2O L evqyi ms¯ú‡k© cwieZ©b N‡U
445. wb‡Pi †KvbwU cÖvBgvwi ÷¨vÛvW© c`v_©? M Gi `ªe‡Yi NbgvÎv mg‡qi mv‡_ cwiewZ©Z nq
K ‡KjvwmZ B‡_b WvBAwqK GwmW N meKqwU
L mvjwdDwiK GwmW 453. wb‡Pi †Kvb c`v_© weï× Ae¯v’ q cvIqv hvq bv?
M cUvwmqvg cvig¨v½v‡bU K Na2CO3 L K2Cr2O7
M Na2C2O4 N H2SO4
N Kw÷K †mvWv 454. KMnO4 GKwU-
446. cÖvBgvwi ÷¨vÛvW© c`v‡_©i ˆewkó¨ bq †KvbwU?
K cÖK…wZ‡Z weï× Ae¯v’ q cvIqv hvq K weRviK L cÖvBgvwi ÷¨vÛvW© c`v_©
L evqyi ms¯ú‡k© cwiewZ©Z n‡q hvq M ‡m‡KÛvwi ÷¨vÛvW© c`v_© N K I M
M wWwRUvj e¨v‡j‡Ý IRb K‡i cÖgvY `ªeY cÖ¯‘Z Kiv hvq 455. evqyi Dcv`vb CO2, O2 I Rjxqev®ú Øviv AvµvšÍ nq-
N `ªe‡Yi NbgvÎv `xN©w`b AcwiewZ©Z _v‡K K Abv`ª© †mvwWqvg Kve©‡bU L A·vwjK
GwmW
447. ‡KvbwU weï× Ae¯v’ q cvIqv hvq Ges `xNw© `b weï× _v‡K?
M Na A·v‡jU N Kw÷K †mvWv
K cÖvBgvwi ÷¨vÛvW© c`v_©
456. wb‡Pi †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©?
|
K NaCl L NaOH M 5 N 12
466. KMnO4 Gi AvYweK fi KZ?
M Na2CO3 N Na2C2O4.2H2O
457. evqiy ms¯ú‡k© Avm‡j f‡ii cwieZ©b nq bv †KvbwUi? K 158 L 158 g
K K2Cr2O7 L KMnO4 M 258 N 258g
M Na2S2O3.2H2O N HCl 467. KMnO4 Gi MÖvg AvYweK fi KZ?
458. evqyi ms¯ú‡k© f‡ii cwieZ©b N‡U †KvbwUi? K 158 mol–1 L 158g mol–1
K K2Cr2O7 L Na2C2O4.2H2O M 160g mol–1 N 160 mol–1
M Na2S2O3.5H2O N Na2CO3 468. 1M NbgvÎvi 1L KMnO4 `ªeY cª¯‘wZ‡Z cÖ‡qvRbxq
KMnO4 Gi cwigvY KZ?
459. mg‡qi mv‡_ `ªe‡Yi NbgvÎv cwiewZ©Z nq †KvbwUi?
K H2SO4 `ªeY L Na2CO3 `ªeY K 15.8 g L 1.58 g
M K2Cr2O7 `ªeY N H2C2O4.2H2O `ªeY M 158 N 158g
460. wb‡Pi †Kvb c`v_©wU e¨v‡j‡Ýi ÿwZ K‡i? 469. 0.1M NbgvÎvi 1L `ªeY cÖ¯‘wZ‡Z cÖ‡qvRbxq KMnO4
Gi cwigvY KZ?
K A·vwjK GwmW L ‡mvwWqvg _v‡qvmvj‡dU
M ‡mvwWqvg Kve©‡bU N ‡mvwWqvg A·v‡jU K 158g L 1.58 g
461. wb‡Pi †KvbwU e¨v‡j‡Ýi ÿwZ K‡i bv? M 15.8 g N 0.158 g
K HCl L KMnO4 470. 0.1M NbgvÎvi 200mL `ªeY cÖ¯‘wZ‡Z cÖ‡qvRbxq
M K2Cr2O7 N KOH
462. A·vwjK GwmW GKwU- KMnO4 Gi cwigvY KZ?
K 15.8 g L 1.58 g
K kw³kvjx weRviK M 3.16g N 3.25g
471. KMnO4 Gi mv‡_ †fRvj wn‡m‡e Kx _v‡K?
L cÖvBgvwi ÷¨vÛvW© c`v_© K Mn L O2
M ‡m‡KÛvwi ÷¨vÛvW© c`v_© M MnO2 N MnO4
NKIL 472. ‡KjvwmZ A·vwjK Gwm‡Wi MÖvg AvYweK fi KZ?
463. 2KMnO4 + 3H2SO4 + 5H2C2O4K2SO4 + K 136 g L 126 g
2MnSO4 + 8H2O + 10CO2 wewµqv Abmy v‡i †KvbwU
mwVK? M 90 g N 108 g
K 2 mole KMnO4 5 mole H2C2O4 473. 0.05 NbgvÎvi 250mL `ªeY cÖ¯‘wZ‡Z A·vwjK Gwm‡Wi
L 1000mL 2M KMnO4 `ªeY 1000mL 5M
H2C2O4 `ªeY KZ MÖvg cÖ‡qvRb?
M 1 mole KMnO4 = 5 mole H2C2O4
NKIL K 15.75 g L 1.575 g
M 25.2 g N 2.52g
474. 1.575 g A·vwjK Gwm‡Wi IRb Kiv nq Kx‡mi gva¨‡g?
K cj-eyw½ e¨v‡jÝ
464. 5C2O24 ne 10CO2 ; GLv‡b n Gi gvb KZ? L 4 wWwRU wWwRUvj e¨v‡jÝ
K5 L7
M 4 N 10 M 2-wWwRU wWwRUvj e¨v‡jÝ
NKIL
465. 2MnO 16H ne 2Mn 2 8H2O 475. 0.1M NbgvÎvi 200mL `ªeY cÖ¯‘Z Ki‡Z wb‡Pi †KvbwU
4 cÖ‡qvRb?
wewµqvq n Gi gvb KZ?
K 10 L8
|
K 200mL weKvi K cvwbi Dcw¯’wZ‡Z
L 1000 mL weKvi L mvjwdDwiK Gwm‡Wi Dcw¯’wZ‡Z
M 200 mL AvqZbwgwZK d¬v¯‹ M MnO2 Gi Dcw¯’wZ‡Z
N 1000 mL AvqZbwgwZK d¬v¯‹ N HCl Gi Dcw¯w’ Z‡Z
476. 0.05M NbgvÎvi 250 mL `ªeY cÖ¯‘wZ‡Z KZ AvqZ‡bi 485. cÖgvY KMnO4 `ªeY Øviv-
AvqZbwgwZK d¬v¯‹ cÖ‡qvRb? K Fe3+ Avqb RvwiZ n‡q Fe2+ nq
K 1000mL L 250 mL L Fe3+ Avqb weRvwiZ n‡q Fe2+ nq
M 150 mL N 500 mL M Fe2+ Avqb RvwiZ n‡q Fe3+ nq
477. KMnO4 Gi we‡qvRb‡K e„w× K‡i- N Fe2+ Avqb weRvwiZ n‡q Fe3+ nq
K a~wjKYv L ‰RweK c`v_© 486. MnO g~jK KqwU B‡jKUªb Z¨vM ev cÖeY Mn2+ Avq‡b
4
M Av‡jv N meKqwU
cwiYZ nq?
478. UvB‡UªkbKv‡j cÖ_‡g KMnO4 Gi eY© cwieZ©b- K 10wU B‡jKUªb MÖnY L 5wU B‡jKUªb MÖnY
K `ªæZ N‡U L ax‡i N‡U M 10wU B‡jKUªb Z¨vM N 5wU B‡jKUªb Z¨vM
M Ley ax‡i N‡U N N‡U bv 487. 10Fe2+ Avq‡b cwiYZ n‡Z KqwU B‡jKUªb Z¨vM ev MÖnY
K‡i?
479. KMnO4 `ªeY‡K A·vwjK GwmW `ªeY Øviv UvB‡UªkbKv‡j
†Kvb wb‡`©kK e¨envi Kiv nq? K 1wU B‡jKUªb MÖnY Ki‡Z nq
K wg_vBj A‡iÄ L ‡dbd_¨vwjb L 1wU B‡jKUªb Z¨vM Ki‡Z nq
M wg_vBj †iW N wb‡`©k‡Ki cÖ‡qvRb ‡bB M 10wU B‡jKUªb MÖnY Ki‡Z nq
480. KMnO4 `ªe‡Yi eY© wKiƒc? N 10wU B‡jKUªb Z¨vM Ki‡Z nq
K ‡e¸wb L ‡Mvjvwc 488. ‡mv`K †divm mvj‡d‡Ui ms‡KZ †KvbwU?
M bxj N nj`y K FeSO4.7H2O L Fe2(SO4)3.7H2O
481. UvB‡Uªkb †k‡l e¨y ‡i‡Ui MnO4 Gi `vM‡K Acmvi‡Yi M FeSO4 N Fe2(SO4)3
Rb¨ e‡y iU‡K a‡y Z nq †KvbwU Øviv?
489. wMÖb wfwUªI‡ji ms‡KZ †KvbwU?
K FeSO4 `ªeY L H2CO3 `ªeY K ZnSO4.7H2O L MgSO4.5H2O
M FeSO4,7H2O N CuSO4.5H2O
M Na2CO3 `ªeY N NaSO4 `ªeY 490. FeSO4.7H2O Gi AvYweK fi KZ?
482. 2KMnO4 + 3H2SO4 + 5H2C2O4 K2SO4 + K 152 L 278
2MnSO4 + 8H2O +10CO2 UvB‡Uªk‡bi gj~ ZË¡
†KvbwU? M 152g N 278 g
K 5V1 M1(KMnO4)=2V2 M2(H2C2O4) 491. MnO 8H 5e X 4H2O Aa© wewµqvq
L 2V1 M1(KMnO4)=5V2 M2(H2C2O4) 4
M 2V1 M1(H2SO4)=5V2 M2(H2C2O4)
N V1 M1(KMnO4)= V2 M2(H2C2O4 X=?
483. UvB‡Uªk‡bi †k‡l ey¨‡i‡Ui †Kvb cvV ‡`Lv Riæwi?
K Mn L Mn2+
M Mn4+ N MnO2
K cÖ_g cvV L ga¨ cvV 492. wb‡Pi †KvbwU ¯^-wb‡`©kK wn‡m‡e KvR K‡i?
M ‡kl cvV N ‡Kv‡bvwUB bq K ‡dbd_¨vwjb L wg_vBj A‡iÄ
484. KMnO4 kw³kvjx RviKiƒ‡c wµqv K‡i- M KMnO4 N H2SO4
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493. 250mL 0.1M K2Cr2O7 `ªe‡Y `ª‡ei cwigvY KZ? 502. weqvi eY©h³y `ª‡ei `ªe‡Yi NbgvÎv wbY©‡q †Kvb mgxKiYwU
e¨envi K‡ib?
K 73.5 g L 7.35 g
M 0.75 g N 9.38 g K 2.303 log I0 Kt L log T KC
It
494. Cu2+ `ªe‡Y KwVb KI †hvM K‡i gy³ Kiv nq-
K Kcvi L Av‡qvwWb M 2.303 log It Kt N log T Kb
I0
M cUvwmqvg N mvj‡dU
503. `ªe‡Yi NbgvÎv I Av‡jvK ZxeªZv nv« ‡mi g‡a¨ m¤úK© ¯v’ cb
495. wbw`©ó ZxeªZvi Av‡jvKiwk¥ GKwU mgmË¡ `ªe‡Yi Dci K‡ib †K?
AvcwZZ n‡j GwU Kqfv‡e wef³ n‡q hvq?
K `yB fv‡M L wZb fv‡M K j¨v¤^vU© L weqvi
M Pvi fv‡M N Qq fv‡M M evDRvi N Wvëb
496. gj~ iwk¥i ZxeªZv‡K wb‡Pi †KvbwU Øviv cÖKvk Kiv nq? 504. weqvi KZ mv‡j `ªe‡Yi NbgvÎv I Av‡jvK ZxeªZv n«v‡mi
g‡a¨ m¤úK© ¯v’ cb K‡ib?
K I0 L Ir
M Ia N It K 1853 mv‡j L 1852 mv‡j
497. `ªe‡Yi NbgvÎv wbY©‡q e¨eüZ nq- M 1752 mv‡j N 1653 mv‡j
K weqvi j¨vgevU© m~Î L ivD‡ëi m~Î 505. ‡kvwlZ †iwW‡qk‡bi cwigv‡Yi mv‡_ `ªe‡Yi NbgvÎvi
m¤úK© cÖKvk K‡i †KvbwU?
M Pvj©‡mi m~Î N e‡q‡ji mÎ~
498. `wy U †m‡ji GKwU‡Z `ªeY I Ab¨wU‡Z `ªveK †i‡L G‡`i ga¨ K weqv‡ii m~Î L j¨v¤^v‡U©i m~Î
w`‡K GKeYx© Av‡jvKiwk¥ cÖevwnZ Ki‡j Dfq‡ÿ‡Î-
M MÖvnv‡gi m~Î N evDRv‡ii mÎ~
K cÖwZdwjZ iwk¥i cwigvY GKB nq 506. weqvi evDRvi j¨v¤^vU© mÎ~ ‡K ms‡ÿ‡c ejv nq-
L cÖwZdwjZ iwk¥i cwigvY wfbœ nq K evDRv‡ii mÎ~ L j¨v¤^v‡U©i mÎ~
M cÖwZdwjZ iwk¥i cwigvY wظY nq M weqv‡ii mÎ~ N ‡Kv‡bvwUB bq
N cÖwZdwjZ iwk¥i cwigvY Amgvb nq 507. ‡Kv‡bv ¯”^ Q gva¨‡gi ga¨w`‡q GKwU wbw`©ó Zi½‰`‡N¨i©
GKeYx© Av‡jv cÖevwnZ Ki‡j gva¨‡gi cyiæ‡Z¡i mv‡_
499. AvcwZZ I cÖevwnZ Av‡jv‡Ki ZxeªZvi Dci j¨v¤^vU© KZ Av‡jv‡Ki ZxeªZv n«v‡mi nvi Av‡jvK ZxeªZvq-
mv‡j cixÿv-wbixÿv K‡ib?
K 1768 mv‡j L 1868 mv‡j K e‡M©i mgvbcy vwZK L e‡M©i e¨¯ÍvbycvwZK
M 1968 mv‡j N 1758 mv‡j M mgvbycvwZK N e¨¯ÍvbycvwZK
500. AvcwZZ Av‡jvi ZxeªZv I gva¨‡gi ciy æZ¡ t n‡j wb‡Pi 508. ‡Kv‡bv `ªe‡Yi ga¨w`‡q GKeY©x Av‡jv cÖevwnZ Ki‡j
†KvbwU mwVK? AvcwZZ Av‡jvK iwk¥i ZxeªZv n«vm `ªe‡Yi cyiæZ¡ I `ªe‡Yi
NbgvÎvi-
K dI I L dI I
dt dt K e¨¯Ívbcy vwZK L mgvbycvwZK
M dI I N dI I M e‡M©i e¨¯ÍvbycvwZK N e‡M©i mgvbcy vwZK
dt dt
509. ‡Kv‡bv `ªe‡Yi ga¨w`‡q GKeYx© Av‡jv cÖevwnZ Ki‡j
501. gva¨‡gi cyiæZ¡ I Av‡jvK ZxeªZv n«v‡mi g‡a¨ m¤úK© ¯v’ cb AvcwZZ Av‡jvK iwk¥i ZxeªZvi n«vm `ªe‡Yi cyiæZ¡ I `ªe‡Yi
NbgvÎvi-
K‡ib †K?
K weqvi L j¨v¤^vU© K e¨¯Ívbcy vwZK L mgvbcy vwZK
M Wvëb N evDRvi M e‡M©i e¨¯Ívbcy vwZK N e‡M©i mgvbycvwZK
|
510. 25% I0 †iwW‡qkb b ˆ`‡N¨i© c_ AwZµ‡gi mgq †kvwlZ KT Lt
n‡j Aewkó kw³i cwigvY-
M NA
K 50% I0 L 75% I0 521. `ªe‡Yi NbgvÎv wbY©‡qi mgxKiY †KvbwU?
M 70% I0 N 65% I0 K A = bc L A = bc
511. wb‡Pi †KvbwU evDRv‡ii m~Î? M T = abc N T = bc
K log T KC L log T Kb 522. `ªe‡Yi NbgvÎv wbY©‡qi wb‡Pi †Kvb mgxKiY e¨eüZ nq?
M log T abc N log T Kb K A = bc L log 1 bc
T
512. wb‡Pi †KvbwU mwVK?
K A log T L A log 1 M log T = bc N log A = bc
T
523. †Kv‡bv `ªe‡Yi ga¨w`‡q GKeYx© Av‡jv cÖevwnZ Ki‡j
M A log I0 Av‡jvK iwk¥i ZxeªZv-
I
N me¸‡jv K n«vm cvq L e„w× cvq
513. NbgvÎvi GKK †KvbwU?
M AcwiewZ©Z _v‡K N wظY ew„ × cvq
K MÖvg/wjUvi L MÖvg-wjUvi 524. AYy KZK…© †kvwlZ Av‡jv KqwU bxwZi mvnv‡h¨ e¨vL¨v Kiv
hvq?
M wjUvi/MÖvg N wjUvi3
514. GeRi‡eÝ cwiewZ©Z nq- K 1wU L 2wU
K Zi½‰`‡N¨i© mv‡_ L gva¨‡gi cyiæ‡Z¡i mv‡_ M 3wU N 4wU
M `ªe‡Yi NbgvÎvi mv‡_ N ‡Kv‡bvwUi mv‡_B bq 525. AYy KZK…© †kvwlZ Av‡jv e¨vL¨v Kiv hvq †Kvb bxwZi
mvnv‡h¨?
515. ‡gvj GK‡K †kvwlZ e¯i‘ IRb‡K ejv nq-
K UªvÝwg‡UÝ L ‡gvjvi GeRiwewU K j¨v¤^vU© bxwZ L weqvi bxwZ
M ‡gvjvi fi N ‡gvjvi AvqZb M Pvj©‡mi bxwZ N K I L
516. AwZ †e¸wb I `k„ ¨gvb eYv©jxwgwZ cixÿvq e¨envi Kiv nq- 526. weqvi-j¨v¤^vU© m‡~ Îi MvwYwZK iƒc †KvbwU?
K 1m ˆ`‡N¨i© †mj L 1cm ˆ`‡N¨i© †mj K I ekx L I ekcx
I0 I0
M 0.1cm ˆ`‡N¨i© †mj N 2cm ˆ`‡N¨i© †mj
M T I N dI KI
517. GeRiwewU () Gi GKK †KvbwU? I0 dx
K L.cm–1mol–1 L mol.L–1cm
M L.molcm–1 N mol.cm.L 527. Kcvi (II) Gi max KZ?
518. wb‡Pi †KvbwU †eqv‡ii m~Î bv‡g cwiwPZ? K 606 nm L 506 nm
K log T Kb L log T KC
M 406 nm N 670 nm
M log T abc N ‡Kv‡bvwUB bq 528. AvcwZZ Av‡jvK iwk¥i ZxeªZv GK-`kgvsk n«vm Ki‡Z H
gva¨‡gi †h cyiæZ¡ cÖ‡qvRb nq, Gi e¨¯ÍvbycvwZK ejv nq-
519. g~j iwk¥i ZxeªZv I0 cÖwZdwjZ iwk¥i ZxeªZv Ir, ‡kvwlZ K GeRi‡eÝ L UªvÝwg‡UÝ
iwk¥i ZxeªZv, Ia Ges cÖevwnZ iwk¥i ZxeªZv If n‡j-
K If I0 Ir Ia L Ia I0 It If M G·wU¼kb ¸Yv¼ N we‡kvlY
M I0 Ir Ia It N Ir I0 It Ia
529. G·wU¼kb ¸Yv‡¼i CGS GKK †KvbwU?
520. UªvÝwg‡U݇K wb‡Pi †KvbwU Øviv cÖKvk Kiv nq?
K cm–1 L m–1
M mm–1 N nm–1
|
530. ‡¯úK‡UªvwgUv‡i 1cm ˆ`N¨w© ewkó †m‡j `ªeY †i‡L Gi K A log I0 L I eabc
we‡kvlY cvIqv ‡Mj 0.156| `ª‡ei †gvjvi †kvlY mnM I I0
1.2104 n‡j `ªeYwUi NbgvÎv KZ?
K 1.310–5mol.L–1 L 1.310–5L.mol–1 M A = abc N me¸‡jv
M 1.810–4 Lmol–1 N 1.810–4 mol.L–1
539. GeRi‡eÝ (A) ebvg NbgvÎv (C) Kvf© †KvbwU?
531. wbw`©ó †gŠwjK c`v_© kbv³KiY I cwigvY wbY©‡q e¨eüZ
c×wZ †KvbwU? KL
CA
K weqvi j¨v¤^vU© mÎ~ AA
C
L cvigvYweK †kvlY eYv©jx
C
M D”P `ÿZvm¤úbœ Zij †µvgv‡UvMÖvdx MN
N M¨vm †µvgv‡UvMÖvdx CA
532. cvigvYweK †kvlY eYv©wj‡Z bgybv `ªeY‡K wkLvq- wn‡m‡e 540. cvigvYweK †kvlY eYv©wj‡Z B‡jKUªb wbw`©ó Zi½‰`‡N¨i©
†¯úª Kiv nq? kw³ †kvlY K‡i KZ mg‡qi Rb¨ D”PZi AiweUv‡j DbœxZ
nq?
K eo KYv L m~²KYv
M KjqWxq KYv N Zij K wgwj †m‡KÛm L ‡m‡KÛ
533. cvigvYweK †kvlY eYv©jx‡Z wkLvq †¯úªK…Z bgybv¯’ †gŠj M b¨v‡bv †m‡KÛm N wgwbU
iƒcvšÍwiZ nq?
541. avZiz wkLv cixÿvq mó„ D¾¡j wewKiY eYv©wj I Kv‡jv †kvlY
K AvYweK ev‡®ú L cvigvYweK ev‡®ú eYv©wji Zi½‰`N¨© KZ?
M AY‡y Z N cigvY‡y Z K wfbœ
534. cvigvYweK †kvlY eYv©wj‡Z †gŠj KZ©…K †iwW‡qkb †kvl‡Yi L GKB
Drm †KvbwU?
M ZvcgvÎvi Dci wbfi© K‡i
K cixÿYxq †gŠ‡ji AYy L cixÿYxq †gŠ‡ji cigvYy N NbgvÎvi Dci wbfi© K‡i
M Na-cigvYy N K-cigvYy 542. Na-Gi D¾¡j wewKiY eYv©jxi Zi½‰`N¨© KZ?
535. cvigvYweK †kvlY eYv©wj‡Z †gŠj KZ©…K †iwW‡qkb †kvl‡Yi K 380 nm L 350 nm
Drm †KvbwU?
M 490 nm N 590 nm
K ‡mvwWqvg j¨v¤ú L U¨vs‡÷b j¨v¤ú
543. Na-Gi Kv‡jv †kvlY eYv©wj Zi½‰`N¨© KZ?
M wWD‡Uwiqvg j¨v¤ú N n‡jv K¨v‡_vW j¨v¤ú K 590 nm L 390 nm
536. Drm n‡Z wbM©Z †iwW‡qk‡bi Zi½‰`N¨© wkLvq we`¨gvb- M 380 nm N 480 nm
Øviv †kvwlZ Zi½‰`‡N¨i© Abiy ƒc|
544. cvigvYweK †kvlY eYv©wj‡Z mó„ eYv©wj‡iLvi cÖk¯ÍZv gvcv
K cigvYy L AYy nq †Kvb GK‡K?
M ‡hŠM N cigvYy I AYy K wgwjwgUvi (mm) L wc‡KvwgUvi (pm)
537. cvigvYweK †kvlY eYv©wj‡Z cigvYy KZK…© †kvwlZ M ‡mw›UwgUvi (cm) N b¨v‡bvwgUvi (nm)
†iwW‡qkb †Kvb m~Î AbymiY K‡i?
545. ‰e‡kølwYK imvq‡b GKwU bgybvq Dcw¯Z’ GKwU wbw`©ó
K e‡q‡ji m~Î L MÖvnv‡gi m~Î Dcv`v‡bi NbZ¡ wbY©q Kiv hvq †Kvb c×wZ‡Z?
M Pvj©‡mi m~Î N weqv‡ii m~Î K cvigvYweK †kvlY eY©vwj L AvYweK
†kvlY eYv©wj
538. wb‡Pi †KvbwU mwVK?
M UV-Vis eYv©wj N HPLC |
546. UV iwk¥i Zi½‰`N¨© AÂj KZ? 554. HOMO ej‡Z eSy vq-
K wb¤œZi AbwaK…Z AvYweK AiweUvj
K 200-375 nm L 375-780 nm L wb¤œZi AwaKZ… AvYweK AiweUvj
M 100-200 nm N 375-525 nm M m‡ev”© P AbwaKZ… AvYweK AiweUvj
547. Visible iwk¥i Zi½‰`N¨© AÂj KZ? N m‡ev”© P AwaK„Z AvYweK AiweUvj
K 200-475 nm L 375-780 nm 555. HOMO Gi cY~ ©iƒc †KvbwU?
M 200-800 nm N 200-375 nm K Lowest Unoceupied Molecular Orbital
548. wewKiY †kvlY AYyi Af¨šiÍ xY kw³‡K- L Highest Unoccupied Molecular Orbital
M Highest Occupied Molecular Orbital
K n«vm K‡i L e„w× K‡i N Higher Occupied Molecular Orbital
M AcwiewZ©Z iv‡L N wظY ew„ × K‡i 556. LUMO ej‡Z Kx eyS?
K m‡ev”© P AwaK…Z AvYweK AiweUvj
549. AvYweK c`v‡_©i ewnt¯’ †Lvj‡Ki B‡jKUªb AiweUvj †_‡K L m‡ev”© P AbwaK…Z AvYweK AiweUvj
D”P¯Í‡i B‡jKUª‡bi Ae¯’vš‡Í ii d‡j D™¢e nq- M me©wb¤œ AwaK…Z AvYweK AiweUvj
N me©wb¤œ AbwaK…Z AvYweK AiweUvj
K B‡jKUªbxq eYv©wj
557. HOMO-LUMO e¨eavb n«vm cvq †hŠ‡Mi-
L cvigvYweK †kvlY eYv©wj K KbR‡y Mkb ew„ × †c‡j L KbRy‡Mkb n«vm †c‡j
M Zi½‰`N¨© ew„ × †c‡j N Zi½‰`N¨© n«vm †c‡j
M cvigvYweK wewKiY eYv©wj
558. LUMO Gi c~Y©iƒc Kx?
N Ae‡jvwnZ eYv©wj K Lower Occupied Molecular Orbital
L Lower Unoccupied Molecular Orbital
550. B‡jKUªbxq eYv©wj‡Z †hŠM KZ…©K Zwor Pz¤^Kxq eYv©wji †Kvb M Lowest Occupied Molecular Orbital
A‡ji †iwW‡qkb †kvlY cwigvc Kiv nq? N Lowest Unoccupied Molecular Orbital
K Zi½msL¨v L ‡kvwlZ Zi½‰`N¨© 559. B‡jKUªbxq eYv©wj‡Z - †kvl‡Yi Ae¯v’ b `xNZ© i
Zi½‰`‡N¨© m‡i Av‡m †hŠ‡Mi-
M ‡kvwlZ kw³ N `ªe‡Yi NbgvÎv K KbRy‡Mkb e„w× †c‡j L KbR‡y Mkb n«vm †c‡j
M AvYweK fi ew„ × †c‡jN AvYweK fi n«vm †c‡j
551. B‡jKUªbxq eYv©wj‡Z GKwU †hŠM‡K wPwýZ Kivi Rb¨
e¨envi Kiv nq- 560. B‡jKUªbxq eYv©wj‡Z ‡hŠM KZ©…K †iwW‡qkb †kvl‡Yi gvÎv
wbf©i K‡i-
K AwZ‡e¸wY `k„ ¨gvb L gvB‡µvI‡qf K bgby vi NbgvÎvi Dci
L AvYweK KvVv‡gvi Dci
M Ae‡jvwnZ N ‡eZvi Zi½ M bgby vi NbgvÎv I AvYweK KvVv‡gvi Dci
N Zi½‰`‡N¨i© Dci
552. ‡hŠM KZ…©K UV-VIS †iwW‡qkb †kvwlZ n‡j-
561. AY‡y Z B‡jKUªb avcvšiÍ m„wó K‡i †KvbwU?
K B‡jKUª‡bi †kvlY N‡U K AwZ †e¸wY I `k„ ¨gvb iwk¥ †kvlY
L B‡jKUª‡bi avcvšÍi N‡U
M ‡cÖvU‡bi avcvšiÍ N‡U
N B‡jKUª‡bi wewKiY N‡U
553. B‡jKUªbxq eYv©wj‡Z †hŠM KZ©K„ †iwW‡qkb †kvwlZ n‡j-
K B‡jKUªb wb‡Pi kw³¯Íi n‡Z D”PZi kw³¯‡Í i
DcbxZ nq
L B‡jKUªb D”PZi kw³¯iÍ n‡Z wb‡Pi kw³¯‡Í i
DcbxZ nq
M B‡jKUª‡bi †kvlY N‡U
N B‡jKUª‡bi wewKiY N‡U
|
L Ae‡jvwnZ iwk¥ †kvlY L AwZ †e¸wY GjvKvq †kvlY N‡U e‡j
M gvB‡µvI‡qf iwk¥ †kvlY M gvB‡µvI‡qf GjvKvq †kvlY N‡U e‡j
N ‡Kv‡bvwUB bq N Ae‡jvwnZ GjvKvq †kvlY N‡U e‡j
562. B‡jKUªb ¯’vbvšÍ‡ii Rb¨ cÖ‡qvRbxq kw³ †KvbwU? 569. ‡hme eÜbh³y g~jK `k„ ¨gvb Av‡jvi cwim‡ii k³ Zi½
†kvlY K‡i Ges †hŠM eY©h³y †`Lvq, Zv‡`i ejv nq-
K 40-300 kCal/mole
L 40-500 kCal/mole K A‡·v‡µvg L ‡µv‡gv‡dvi
M 300-500 kCal/mole
N 40-300 kJ/mole M Kvh©Kix gj~ K N ‡µv‡gvcøv÷
563. B‡jKUªbxq avcvšÍ‡ii Rb¨ †hme AYyi AwaK kw³ cÖ‡qvRb
†m¸‡jv †kvlY K‡i- 570. ‡ebwRb ej‡qi mev©waK †kvlY Zi½ (max) Gi gvb KZ?
K 255 nm L 280 nm
M 215 nm N 355 nm
K `xNZ© i Zi½‰`N¨© ‡iwW‡qkb 571. -K¨v‡ivwU‡bi max KZ?
L ÿz`ªZi Zi½‰`N¨© †iwW‡qkb K 499 nm L 451 nm
M ga¨g Zi½‰`N¨© †iwW‡qkb M 351 nm N 399 nm
N ÿ`z ªZi Zi½msL¨vi †iwW‡qkb 572. -K¨v‡ivwUb †Kv_vq cvIqv hvq?
564. B‡jKUªb avcvšÍ‡ii Rb¨ †hme AYiy Kg kw³ cÖ‡qvRb K MvR‡i L Avjy‡Z
†m¸‡jv †kvlY K‡i-
M Kjvq N ‡c‡u c‡Z
K `xNZ© i Zi½‰`N¨© †iwW‡qkb 573. UV-Vis eYv©wj‡Z bgybv‡K Av‡jvK Dr‡mi m¤§y‡L ¯’vcb
Kiv nq-
L ÿz`ªZi Zi½‰`N¨© †iwW‡qkb
M ga¨g Zi½‰`N¨© †iwW‡qkb K KwVb AvKv‡i L `ªeY AvKv‡i
N ‡KvbwUB bq M M¨vmxq AvKv‡i N Zij AvKv‡i
565. ‡Kvb ai‡bi AYyi †ejvq UV-Vis †kvlY eYv©wj cÖ‡hvR¨? 574. AwZ †e¸wY Av‡jvi Drm wn‡m‡e e¨eüZ nq †KvbwU?
K cvB () B‡jKUªbhy³ ev bb ewÛs B‡jKUªb hy³ †hŠM K wWD‡Uvwiqvg j¨v¤ú L Uvs‡÷b j¨v¤ú
L ewÛs B‡jKUªbh³y †hŠM M ‡mvwWqvg j¨v¤ú N mvaviY j¨v¤ú
M wmMgv B‡jKUªbh³y †hŠM 575. UV-Vis eYv©wjKvi‡K Av‡jvK Dr‡mi m¤§y‡L KqwU †Kvl
¯v’ cb Kiv nq?
N ïaygvÎ cvB () B‡jKUªbhy³ †hŠM
566. wmMgv e܇bi B‡jKUªb‡K DÏxwcZ Ki‡Z kw³ Zi½‰`‡N¨©i K 1wU L 2wU
gvb KZ?
M 3wU N 4wU
K 200 nm Gi Kg L 200 nm Gi †ewk 576. UV-Vis eYv©wj‡Z AvYweK AiweUv‡ji B‡jKUªb †kvlY
K‡i-
M 300-700 nm N 200-800 nm
567. wb‡Pi †Kvb †hŠ‡M `xN© Zi½‰`N¨© iwk¥ mev©waK †kvwlZ nq? K `k„ ¨gvb Av‡jv L near-uv Av‡jv
K A¨vjwWnvBW I wK‡Uvb L KbRy‡M‡UW M gvB‡µvI‡qf N K I L
cwj-Bb
577. HPLC Gi c~Y©iƒc †KvbwU?
M A¨vj‡Kvnj N nvB‡WªvKve©b K Higher Performance Liquid Chromatography
L Highest Perfomance Liquid Chromatography
568. A‡bK ˆRe †hŠM eY©hy³ nq †Kb? M High Performance Liquid Chromatography
N High Performance Liquied Coloumn
K `„k¨gvb GjvKvq †kvlY N‡U e‡j
|
578. eZ©gv‡b we‡kølYx imvq‡b kw³kvjx cÖhwy ³ wn‡m‡e mve©Rbxb K M¨vm Zij †µvgv‡UvMÖvdx
¯x^ Kw… Z jvf K‡i‡Q †KvbwU?
L M¨vm KwVb †µvgv‡UvMÖvdx
K HPLC L GLC M M¨vm †µvgv‡UvMÖvdx
M GSC N GC N mbvZb Zij †µvgv‡UvMÖvdx
579. Zi‡j `ªexf~Z †h‡Kv‡bv bgybvq c„_KxKi‡Yi kbv³KiY I 588. mvaviY Zij †µvgv‡UvMÖvdxi cÖwµqvq bgybv‡K cÖ‡ek
gvwÎK we‡køl‡Yi Abb¨ c×wZ †KvbwU? Kiv‡bv nq-
K GC L GLC K KwVb Pjgvb `kvq L Zij Pjgvb `kvq
M HPLC N TLC M Zij w¯’i `kvq N KwVb w¯i’ `kvq
580. HPLC cÖhwy ³i me©wb¤œ we‡kølY gvÎv KZ? 589. mvaviY Zij †µvgv‡UvMÖvdx‡Z cÖev‡ni nvi mvaviYZ KZ?
K cvU©m cvi wgwjqb (ppm) K 0.1 cm2min–1 L 0.1 m3min–1
L cvU©m cvi wewjqb (ppb) M 0.1 m3s–1 N 0.1 cm2s–1
M cvU©m cvi wUªwjqb (PPT) 590. mvaviY Zij †µvgv‡UvMÖvdxi bZbz ms¯‹iY †KvbwU?
N cvU©m cvi wgwjMÖvg (ppmg) K GLC L TLC
581. PPT Gi c~Y©iƒc †KvbwU? M HPLC N GC
K Parts Per Trillion L Parts Par Trillion 591. mvaviY Zij †µvgv‡UvMÖvdxi bZzb ms¯‹iY wn‡m‡e HPLC
M Parts Per Billion N Parts Par Billion
582. ‡h‡Kv‡bv ai‡bi bgybvi †ÿ‡Î ---- cÖhyw³i e¨envi djcÖm~| cÖhwy ³i D™¢e nq-
K Avwki `k‡K L lv‡Ui `k‡K
K GLC L TLC M cÂv‡ki `k‡K N beŸB‡qi `k‡K
M HPLC N GC 592. HPLC †Z Pjgvb `kv‡K KZ Pv‡c cv¤ú Kiv nq?
583. ‡Kvb ai‡bi bgybvi †ÿ‡Î HPLC cÖhwy ³i e¨envi djcÖm~? K cÖvq 200 psi L cÖvq 100 psi
K ‰Re L A‰Re M cÖvq 400 psi N cÖvq 300 psi
M RwUj N ‡h‡Kv‡bv ai‡bi 593. HPLC ‡Z e¨eüZ Kjv‡gi ˆ`N¨© KZ?
584. en„ r e¨vmwewkó Kjvg, wb¤œcÖevn nvi A_ev wb¤œPvc cvw¤ús K 10-25 cm L 10-25 m
e¨envi K‡i c_„ KxKiY m¤úbœ nq †Kvb cÖwµqvq?
M 20-30 cm N 20-30 m
K D”P `ÿZv Zij †µvgv‡UvMÖvdx
594. HPLC †Z Kjv‡gi bgybv †cÖiY Kiv nq-
L Zij †µvgv‡UvMÖvdxi mbvZb cÖwµqv K wmwi‡Äi gva¨‡g L cv‡¤úi gva¨‡g
M M¨vm †µv‡gv‡UvMÖvdx M nvZ w`‡q ‡X‡j N e¨y ‡i‡Ui gva¨‡g
N cvZjv ¯Íi †µvgv‡UvMÖvdx 595. HPLC †Z bgybv cÖ‡qvM Kiv nq-
585. wb‡Pi †Kvb `wy Ui g‡a¨ A‡bK †KŠkjMZ mv`k„ ¨ we`¨gvb? K Kjv‡gi wb¤œfv‡M L Kjv‡gi ga¨fv‡M
K GLC I HPLC L GSC I HPLC M Kjv‡gi Dcwifv‡M N ‡Kv‡bvwUB bq
M TLC I HPLC N GLC I TLC 596. HPLC Gi †ejvq mwµq †kvlK KjvgwUi e¨eüZ wmwjKv
ev cwjgvi e¯i‘ AvKvi Kxiƒc?
586. HPLC Gi †KŠkj I hšv¿ q‡bi cÖviw¤¢e Dbœqb ïiæ nq
‡KvbwU †_‡K? K 2-100 m L 2-200 m
K M¨vm †µvgv‡UvMÖvdx L Kjvg †µvgv‡UvMÖvdx M 2-30 m N 2-50m
M KvMR †µvgv‡UvMÖvdx N cvZjv ¯Íi †µvgv‡UvMÖvdx 597. HPLC †Z e¨eüZ Kjv‡gi e¨vm KZ?
587. D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdxi g~j Drm †KvbwU? K 2-40 mm L 2.1-4.6 mm
|
M 3-6 mm N 3-7 mm M w¯i’ gva¨‡g cÖK…wZ N Kjv‡gi e¨vm
598. HPLC †Z e¨eüZ Kjv‡gi ˆ`N¨© KZ? 606. HPLC †Z Zij wgkÖY‡K cv‡¤úi mvnv‡h¨ KZ Pv‡c
Kjv‡gi wfZi w`‡q cÖevwnZ Kiv nq?
K 30-250 mm L 50-300 mm
M 60-400 mm N 40-350 mm K 50-250 bar L 50-300 bar
599. HPLC †Z w¯i’ gva¨‡g †kvwlZ †hŠ‡Mi `ªve¨Zv wbf©i K‡i M 50-350 bar N 100-400 bar
†KvbwUi Dci? 607. HPLC †Z KwVb †kvlKwU †Kv_vq Ae¯v’ b K‡i?
K mPj gva¨‡gi mshwy ³ K A`vbv`vi c`v_© L `vbv`vi c`v_©
L ZvcgvÎv M cvwb N cvDWviRvZxq c`v_©
M mPj gva¨‡gi mshyw³ I ZvcgvÎv 608. HPLC †Z KwVb †kvlKwU †Kv_vq Ae¯v’ b K‡i?
N w¯i’ gva¨‡gi mshwy ³ I ZvcgvÎv K Kjv‡gi †fZ‡i L Kjv‡gi evB‡i
600. HPLC †Z Zij bgybv‡K Pvjbv Kiv - M cv‡¤úi ‡fZ‡i N wW‡UKU‡ii †fZi
K KwVb †kvl‡Yi Dci w`‡q 609. Kjvg †µvgv‡UvMÖvdxi GKwU AZ¨vawy bK eûj e¨eüZ
we‡kølY c×wZ †KvbwU?
L Zij †kvl‡Ki Dci w`‡q
M M¨vmxq †kvl‡Ki Dci w`‡q K M¨vm Zij †µvgv‡UvMÖvdx
N ‡Kv‡bvwUB bq L M¨vm KwVb †µvgv‡UvMÖvdx
601. D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdxi hvÎv ïiæ nq KZ M M¨vm †µvgv‡UvMÖvdx
mv‡j?
N D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdx
K 1960 L 1966 610. M¨vm †µvgv‡UvMÖvwd‡Z Pjgvb `kv wn‡m‡e Kx e¨eüZ nq?
M 1970 N 1962 K KwVb L Zij
602. HPLC †Z †Kvb Dcv`vbwU Kg mg‡q c_„ K n‡q Av‡m? M M¨vm N cvwb
K Zij `kvq hvi `ªeYxqZv †ewk 611. w¯i’ `kvi cÖKw… Z Abymv‡i M¨vm †µvgv‡UvMÖvdx KZ cÖKvi?
L Zij `kvq hvi `ªeYxqZv Kg K `By cÖKvi L wZb cÖKvi
M w¯i’ `kvq hvi AvKl©Y †ewk M Pvi cÖKvi N cvuP cÖKvi
N ‡Kv‡bvwUB bq 612. M¨vm KwVb †µvgv‡UvMÖvwd‡Z w¯’i `kv †KvbwU?
603. HPLC †Z †Kvb Dcv`vbwU me‡k‡l wb®ŒvšÍ n‡q _v‡K? K KwVb L Zij
K Zij `kvq hvi `ªeYxqZv †ewk M M¨vm N cvwb
L Zij `kvq hvi `ªeYxqZv me‡P‡q †ewk 613. me‡P‡q †ewk e¨eüZ †µvgv‡UvMÖvdx c×wZ †KvbwU?
M w¯i’ `kvq hvi AvKl©Y †ewk K M¨vm KwVb †µvgv‡UvMÖvdx
N ‡Kv‡bvwUB bq L M¨vm Zij †µvgv‡UvMÖvdx
604. ‡hŠ‡Mi gvwÎK we‡kølY Kiv nq Kx‡mi mvnv‡h¨? M KwVb Zij †µvgv‡UvMÖvdx
K Bb‡R±i L wW‡U±i N Zij-Zij †µvgv‡UvMÖvdx
M WvUv wm‡÷g N Iqv÷ 614. ‡ebwR‡bi ùUz bv¼ KZ?
605. HPLC †Z wgkÖ‡Yi cv‡¤úi mvnv‡h¨ KZ Pv‡c Kjv‡gi K 80.1C L 70.8C
wfZi w`‡q cÖevwnZ Kiv nq?
M 78.5C N 90.8C
K aviY mgq L Kjv‡gi ˆ`N¨© 615. mvB‡K¬v‡n‡·‡bi ùzUbv¼ KZ?
|
K 70.8C L 80.8C 623. M¨vm Zij †µvgv‡UvMÖvwd‡Z w¯’i `kv †KvbwU?
M 82.8C N 90.8C K wbw®Œq M¨vm L mwµq M¨vm
616. M¨vm KwVb †µvgv‡UvMÖvwd‡Z _v‡K- M wbw®Œq Zij N mwµq Zij
K e„nr c„ôZj †ÿÎdj L ÿ`z ª cô„ Zj †ÿÎdj 624. M¨vm Zij †µvgv‡UvMÖvdx‡Z Pjgvb `kv †KvbwU?
M e„nr AvqZb N ÿz`ª AvqZb K KwVb cô„ ‡`‡ki Dci Awa‡kvwlZ D”P
ùzUbv¼wewkó Zij
617. M¨vm KwVb †µvgv‡UvMÖvwd‡Z c„_KxKi‡Y ¸iæZ¡c~Y© fw~ gKv
cvjb K‡i †KvbwU? L KwVb c„ô‡`‡ki Dci Awa‡kvwlZ wb¤œ ùUz bv¼wewkó
Zij
K Awa‡kvlY L ‡kvlY
M wefvRb N e›Ub M KwVb c„ô‡`‡ki Dci Awa‡kvwlZ wb¤œ Mjbv¼wewkó
Zij
618. M¨vm KwVb †µvgv‡UvMÖvdx †Kvb †ÿ‡Î e¨eüZ nq?
K wb¤œ AvYweK f‡ii M¨vmxq Dcv`v‡bi †ÿ‡Î N ‡Kv‡bvwUB bq
L D”P AvYweK f‡ii M¨vmxq Dcv`v‡bi †ÿ‡Î 625. M¨vm Zij †µvgv‡UvMÖvwd‡Z bgby v‡K AšÍt‡ÿc (inject)
Kiv nq †Kvb `kvq?
M wb¤œ AvYweK f‡ii KwVb Dcv`v‡bi †ÿ‡Î
K KwVb L Zij
N D”P AvYweK f‡ii KwVb Dcv`v‡bi †ÿ‡Î
M M¨vmxq N Rjxq
619. nvB‡WªvKve©b c_„ KxKi‡Y e¨eüZ nq †KvbwU?
626. M¨vm-Zij †µvgv‡UvMÖvwd‡Z bgybv ev®úxf~Z n‡q †Kvb `kvq
K M¨vm KwVb †µvgv‡UªvMÖvdx (Kjv‡g) cÖevwnZ nq?
L M¨vm Zij †µvgv‡UvMÖvdx K KwVb L M¨vmxq
M cwi‡kvlY †µvgv‡UvMÖvdx M Zij N ‡Kv‡bvwUBbq
N wefveRb †µvgv‡UvMÖvdx 627. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
620. Kve©b g‡bv·vBW, Aw·‡Rb I bvB‡Uªv‡Rb c„_KxKi‡Y K wnwjqvg L Aw·‡Rb
e¨eüZ nq †Kvb c×wZ?
M ‡K¬vwib N nvB‡Wªv‡Rb
K M¨vm Zij †µvgv‡UvMÖvdx
628. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
L M¨vm KwVb †µvgv‡UvMÖvdx
K bvB‡Uªv‡Rb L Aw·‡Rb
M cwi‡kvlY †µvgv‡UvMÖvdx
M nvB‡Wªv‡Rb N Kve©b g‡bv·vBW
N KvMR †µvgv‡UvMÖvdx
629. M¨vm Zij †µvgv‡UvMÖvwd‡Z evnK M¨vm †KvbwU?
621. ‡Kvb †hŠMmg~n KwVb c„ô‡`‡k A‡bKUv ¯’vqxfv‡e Ave×
nq? K Kve©b g‡bv·vBW L Kve©b WvBA·vBW
K AwaK †cvjvi L Kg †cvjvi M nvB‡Wªv‡Rb mvjdvBW N bvBUªvm A·vBW
M A‡cvjvi N M¨vmxq 630. Kjv‡gi †fZi w`‡q `ªæZ †ewi‡q Av‡m †Kvb Dcv`vbwU?
622. RwUj wgkÖ‡Yi Dcv`v‡bi c_„ KxKi‡Y e¨vcKfv‡e e¨eüZ K w¯i’ `kvq hvi `ªve¨Zv Kg
nq †Kvb c×wZ?
L w¯i’ `kvq evi `ªve¨Zv †ewk
K M¨vm Zij †µvgv‡UvMÖvdx M mPj `kvq hvi `ªve¨Zv Kg
L M¨vm KwVb †µvgv‡UvMÖvdx N ‡Kv‡bvwUB bq
M cwi‡kvlY †µvgv‡UvMÖvdx 631. Kjvg †_‡K wb¤œ MwZ‡Z wb®ŒvšÍ nq †Kvb Dcv`vbwU?
N cvZb K w¯i’ `kvq hvi `ªve¨Zv Kg
|
L w¯i’ `kvq hvi `ªve¨Zv †ewk N cvwU©kb †µvgv‡UvMÖvdx
M mPj `kvq hvi `ªve¨Zv †ewk 640. mPj M¨vm gva¨g‡K DËß ivLvi Rb¨ w¯’i gva¨‡gi
KjvgwU‡K †Kv_vq ivLv nq?
N ‡Kv‡bvwUB bq
632. mg‡qi wecixZ wW‡U±i wmMb¨v‡ji Aw¼Z †jLwPÎwU ejv K Kjv‡g L wW‡U±‡i
nq-
M I‡f‡b N Bb‡R±‡i
K ‡µvgv‡UvMÖvwd L ‡µvgv‡UvMÖvd 641. M¨vm †µvgv‡UvMÖvdx †KvbwUi mgZzj¨?
M aviY mgq N AvB‡mv_vg© K AvswkK cvZb L wb¤œPvc cvZb
633. M¨vm †µvgv‡UvMÖvwd‡Z Dcv`v‡bi ¸YMZ we‡kølY Kiv nq M ev®ú cvZb N cvZb
wK‡mi Øviv?
642. wb‡Pi †KvbwU mwVK?
K aviY mgq L P~ovšÍ D”PZv K Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM +
†gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
M ‡gvU †ÿÎdj N Kjvg ˆ`N¨©
634. M¨vm †µvgv‡UvMÖvwd‡Z Dcv`v‡bi cwigvYMZ we‡kølY Kiv L Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM –
nq- †gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
K P~ovšÍ D”PZv †_‡K L ‡gvU †ÿÎdj †_‡K M Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM
†gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
M aviY mgq †_‡K N K I L
635. M¨vm †µvgv‡UvMÖvwd‡Z Pjgvb `kv wn‡m‡e e¨envi Kiv nq? N Dcv`vb †hŠ‡M MwZ‡eM = evnK M¨v‡mi MwZ‡eM
†gvU mg‡qi hZ Ask Dcv`vb †hŠM mPj gva¨‡g wQj
K M¨vm L KwVb
M Zij N M¨vm I Zij 643. ‡Kvb Dcv`vbwU Kjvg †_‡K evnK M¨v‡mi mv‡_ cÖ_‡g wbM©Z
nq?
636. M¨vm †µvgv‡UvMÖvwd‡Z _v‡K-
K hvi MwZ‡eM †ewk
K GKwU w¯’i †dR L GKwU Pjgvb †dR
L hvi MwZ‡eM Kg
M GKwU w¯’i †dR I GKwU Pjgvb †dR
M hvi `ªve¨Zv w¯’i gva¨‡g †ewk
N `ywU Pjgvb †dR
N ‡hwU w¯’i gva¨‡g †ewk AvK…ó nq
637. we‡qvRb QvovB ev®úvwqZ nq Ggb c`v‡_©i c„_KxKiY I
we‡køl‡Y e¨eüZ c×wZ †KvbwU? 644. cÖ‡Z¨K Dcv`vb †hŠM Kx‡mi wfwˇZ wfbœ wfbœ MwZ‡e‡M
Kjvg †_‡K wbM©Z nq?
K M¨vm †µvgv‡UvMÖvdx
K `ªve¨Zvi L ZvcgvÎvi
L D”P ÿgZvm¤úbœ Zij †µvgv‡UvMÖvdx
M wefvRb Ask N ‡kvlY gvÎv
M Kjvg †µvgv‡UvMÖvdxN ‡Rj †µvgv‡UvMÖvdx
645. Acwi‡kvwaZ †Z‡ji b¨vq AZ¨šÍ RwUj wgkÖY c„_KxKiY
638. M¨vm †µvgv‡UvMÖvwd‡Z Kx‡mi wfwˇZ Dcv`vbmg‡~ ni m¤¢e †Kvb c×wZ‡Z?
kbv³KiY I c„_KxKiY Kiv nq?
K M¨vm KwVb †µvgv‡UvMÖvdx
K wi‡Ubkb mgq L `ªve¨Zv
L M¨vm-Zij †µvgv‡UvMÖvdx
M e›Ub ¸Yv¼ N Awa‡kvlY
M D”P `ÿZv Zij †µvgv‡UvMÖvdx
639. M¨vm †µvgv‡UvMÖvdxi Aci bvg Kx?
N Kjvg †µvgv‡UvMÖvdx
K M¨vm-Zij cvwU©kb †µvgv‡UvMÖvdx
646. M¨vm Zij †µvgv‡UvMÖvdx Kx‡mi gva¨‡g m¤úbœ nq?
L M¨vm KwVb †µvgv‡UvMÖvdx
K Awa‡kvlY
M Kjvg †µvgv‡UvMÖvdx
L ivmvqwbK eÜb
|
M Awa‡kvlY I ivmvqwbK eÜb K wjUgvm L ‡dbd_¨vwjb
N ‡kvlY M wg_vBj A‡iÄ N wg_vBj †iW
647. ÿvi `ªe‡Yi gvÎv ppm GK‡K- 656. wb‡Pi †KvbwUi cwigvcK we‡køl‡Y Beer’s Lambert
m~‡Îi cÖ‡qvM bvB?
K 1ppm L 10 ppm
M 100 ppm N 1000 ppm K Atomic absorption L `k„ ¨gvb iwk¥i
eYv©wj
648. 10% Na2CO3 `ªe‡Yi †gvjvi NbgvÎv n‡e-
K 0.9434 mol kg–1 L 0.9434 M M Ae‡jvwnZ iwk¥i eY©vwj N HPLC
M 0.9434 molL–1 N 9.4340 molL–1 657. `ªe‡Yi A¤øZ¡/ÿviZ¡ wPwýZKi‡Yi Rb¨ †h mKj †hŠM
e¨envi Kiv nq Zv‡`i‡K wb‡`©kK ejv nq| G ai‡bi wKQz
649. K4[Fe(CN)6] RwUj †hŠ‡M Fe Gi RviY msL¨v KZ? wb‡`©k‡Ki g‡a¨ wb‡Pi †KvbwU cÖKw… Z †_‡K AvnwiZ?
K +2 L +3 K wjUgvm L ‡dbd_¨vwjb
M +4 N +6
650. wb‡Pi †KvbwUi †ejvq mPj gva¨giƒ‡c wnwjqvg e¨eüZ nq? M wg_vBj A‡iÄ N wg_vBj †iW
K TLC L HPLC 658. cÖgvY ZvcgvÎv I Pv‡c 50g CaCO3 †K DËß Ki‡j KZ
AvqZ‡bi CO2 cvIqv hv‡e?
M GLPC N CC
K 44.8 L L 22.4 L
651. 500mL 0.5M Kw÷K †mvWv `ªeY †_‡K KZ mL †Wwm
M 11.2 L N 20 L
†gvjvi `ªeY ˆZwi Kiv hv‡e?
K 2500mL L 2000mL 659. cÖgvY ZvcgvÎv I Pv‡c GK †gvj Aw·‡Rb cvevi Rb¨ KZ
M 5000mL N 1350 MÖvg HgO `» Kiv cÖ‡qvRb?
652. ‡¯úK‡UªvwgUv‡i 1cm ˆ`N¨w© ewkó ‡m‡j GKwU `ªeY †i‡L Gi K 216 g L 432 g
we‡kvlY 0.156 cvIqv †Mj| `ª‡ei †gvjvi †kvlY mnM M 250 g N 150 g
1.2104 n‡j `ªeYwUi NbgvÎv †KvbwU n‡e? 660. 0.01M NbgvÎvi 100mL `ªeY cÖ¯‘wZ Ki‡Z 0.5M
K 1.3510–5 M L 1.310–4M `ªe‡Yi KZ mL `iKvi?
M 1.210–4 M N 1.310–15molL–1 K 5mL L 2 mL
653. GKwU ivmvqwbK mgxKi‡Yi Zvrch© wn‡m‡e wb‡Pi †KvbwU‡K M 4 mL N 10mL
we‡ePbv Kiv hvq bv? 661. wb‡Pi †KvbwU‡K RviY-weR&viY wewµqv wn‡m‡e MY¨ Kiv
K wewµqvq mswkøó wewµqK I Drcv‡`i †gŠj msL¨vi †h‡Z cv‡i?
AbycvZ Rvbv hvq
K Cu2+ + 4NH3 [Cu(NH3)4]2+
L wewµqvq mswkøó wewµqK I Drcv‡`i f‡ii AbycvZ L Cl2 + 2OH– Cl– + ClO– + H2O
Rvbv hvq
M NH3 + H+ NH4+
M wewµqvq †Kv‡bv M¨vm Drcbœ n‡j Drcbœ M¨v‡mi N Ca2+ + 2F– CaF2
AvqZb Rvbv hvq 662. GKwU cv‡Î ivLv 16g wg‡_b M¨vm †_‡K NTP †Z 11.2L
wbM©Z n‡q †M‡j H cv‡Î Avi KZwU M¨vm AYy Aewkó _v‡K?
N UvB‡Uªkb cÖwµqvq ARvbv `ªe‡Yi NbgvÎv Rvbv hvq
654. 15.0g Lwo gvwU‡Z AwaK Zv‡c †cvov‡bv n‡j KZMÖvg Pbz K 6.0231023 L 3.01151022
cvIqv hv‡e?
M 3.01151023 N 5.0231023
K 8.4 g L 1.5 g 663. wb‡¤œi wewµqvwUi Rb¨ †KvbwU mwVK?
M 4.2 g N 0.75 g Mg + 2H+ = Mg2+ + H2
K GKwU cÖkgb wewµqv
655. wb‡Pi †Kvb wb‡`©kKwU Dw™¢` †_‡K AvnwiZ?
|
L GKwU RviY weRviY wewµqv K H2O L SO2
M GKwU cÖwZ¯’vcb wewµqv M H2S N HCl
N GKwU ms‡hvRb wewµqv 674. NaCl Gi †mvwWqv‡gi RviY msL¨v KZ?
664. C2O24 CO2 G wewµqvq C2O24 Avqb K +1 L–1
K weRvwiZ nq L B‡jKUªb Z¨vM K‡i M0 N1
675. H2SiF6 †hŠMwU‡Z wmwjK‡bi RviYgvb KZ?
M B‡jKUªb MÖnY K‡i N Aw·‡Rb MÖnY K‡i
K +2 L +3
665. Fe2O3 Gi A¤øZ¡ KZ?
K2 L3 M +4 N +5
M6 N1 676. GwmWxq `ªe‡Y KMnO4 Øviv wb‡Pi †KvbwU RvwiZ nq?
666. Na2CO3 Gi HCl cÖkg‡bi Rb¨ Dchy³ wb‡`©kK Kx?
K PbO2 L H2O2
K wg_vBj A‡iÄ L wjUgvm M FeCl3 N H2S
M ‡dbd_¨vwjb N 677. ÷vbvm †K¬vivBW I gviwKDwiK ‡K¬vivB‡Wi †ÿ‡Î †KvbwU
mwVK?
667. H2SO4 Gi †gvjvi NbgvÎv bigvj NbgvÎvi- K Sn4+ + 2Hg2+ = Sn2+ + 2Hg+
L Sn2+ + 2Hg+ = Sn4+ + 2Hg2+
K wظY L mgvb
M A‡a©K N Pvi¸Y M Sn2+ + 2Hg2+ = Sn4+ + 2Hg+
N Sn4+ + 2Hg4+ = Sn2+ + 2Hg2+
668. 1.008g H2- G AYiy msL¨v- 678. 100mL `ªe‡Y 10.6g Na2CO3 _vK‡j `ªeYwUi NbgvÎv
K 6.0231023 L 12.0461023 KZ?
M 3.01151023 N 3.01151025 K 0.1M L 0.2M
669. 2.0L `ªeY 80g NaOH `ªexf~Z _vK‡j `ªe‡Yi NbgvÎv-
K 1.0M L 2.0M M 0.5M N 1M
M 0.5M N 0.7M 679. 0.05 ppm Gi A_© Kx?
670. 6.0231023wU CO2 AYyi NTP †Z AvqZb- K 1L `ªe‡Y 0.05mgL 1L `ªe‡Y 0.5g
K 22.4 L L 2.24L M 1L `ªe‡Y 0.005g N 1L `ªe‡Y 50mg
M 0.224L N 22400L 680. Redox wewµqvq 1 ‡gvj Fe2+ RvwiZ Kivi Rb¨ KZ †gvj
A¤øxq KMnO4 `ªeY jvM‡e?
671. 10cm3 0.1M HCl `ªeY cÖkg‡bi Rb¨ cÖ‡qvRb NaOH
K 1 mol L 3 mol
Gi †Wwm‡gvjvi `ªe‡Yi-
M 5 mol N 10 mol
K cm3 L 10 cm3
681. Fe3O4 G Fe Gi RviY gvb KZ?
M 15 cm3 N 20 cm3
K +2 L +3
672. ivmvqwbK wewµqvq wewµqK I Drcv` AYiy msL¨v KZ? M 8 N 4
3 3
K wewµqK Ges Drcv‡`i AYyi msL¨v mgvb _v‡K
L wewµq‡Ki AYy msL¨v †ewk 682. K2Cr2O7 + KI+ HCl wewµqvq cÖwZwU Cr6+ Avqb
KZwU B‡jKUªb MÖnY K‡i?
M Drcv` AYy msL¨v †ewk
N cÖ_‡g wewµq‡Ki AYy msL¨v †ewk c‡i Drcv` AYiy K1 L2
msL¨v †ewk
M3 N6
673. GwmW ÿviK cÖkgb wewµqvq je‡Yi mnDrcv` †KvbwU? 683. STP †Z 0.2g H2 M¨v‡m AYiy msL¨v KZ?
K 6.0231023 L 6.0231022
|
M 6.0231021 N 6.0231024 K 0.1M L 01M
684. 4.4g CO2 †K m¤úY~ ©fv‡e Na2CO3 G iƒcvšÍi Ki‡Z KZ
M 0.2M N 0.02M
MÖvg NaOH jvM‡e?
694. Zn + 2HCl (jNy) ZnCl2 + A G wewµqvq 6.5g
K 4g L 8g Zn e¨envi Ki‡j KZ MÖvg A cvIqv hv‡e?
M 16g N 32g K 0.1g L 0.2g
685. HCl G †dbd_¨vjb Kx eY© aviY K‡i? M 0.3g N 0.5g
K jvj L ‡Mvjvc 695. 1g weï× CaCO3 †K AwZwi³ jNy HCl `ªexf~Z Ki‡j
†h cwigvY CO2 cvIqv hv‡e Zv‡K cy‡ivcwy i Na2CO3 G
M nj`y N eY©nxb cwiYZ Ki‡Z KZ MÖvg KwóK †mvWv jvM‡e?
686. 0.1M Na2CO3 `ªe‡Yi NbgvÎv ppm GK‡K KZ? K 0.8g L 4.0g
K 10.6 ppm L 106 ppm M 40g N 80g
M 1060 ppm N 10600 ppm 696. wb‡Pi †Kvb `ªe‡Y †dbd_¨vwjb †Mvjvwc eY© aviY K‡i?
687. 100mL †mw›U‡gvjvi H2SO4 `ªe‡Y KZ MÖvg H2SO4 K HCl L H2SO4
Av‡Q? M NaCl N NaOH
697. STP †Z †gvjvi AvqZb KZ?
K 98g L 9.8g K 24.8L L 24.4 L
M 0.98g N 0.098g M 22.4 L N 22.789 L
688. AwZwi³ HCl `ªe‡Y 1g CaCO3 †hvM Ki‡j KZ MÖvg 698. 0.0001M AgNO2 `ªe‡Y KZ ppm Ag+ Av‡Q?
CO2 cvIqv hv‡e?
K 108 L 120
K 44g L 4.4g M 180 N 208
M 0.44g N 0.044g 699. H2SO4 †hŠ‡M S Gi RviY gvb KZ?
689. NaOH + CH3COOH wewµqvq Dch³y wb‡`©kK K +4 L +6
†KvbwU?
M +2 N +5
K wg_vBj †iW L wg_vBj A‡iÄ 700. 2.5M NaOH `ªe‡Yi NbgvZv kZKivq KZ?
M _vBgj eøy N ‡dbjd_¨vwjb K 10% w L 15% w
v v
690. 100mL 0.5M Na2CO3 `ªeY‡K 0.1M Na2CO3 M 20% w N 30% w
`ªe‡Y cwiYZ Ki‡Z KZ mL cvwb †hvM Ki‡Z n‡e? v v
K 100 mL L 200 mL
M 300 mL N 400 mL
691. 50mL 10% Na2CO3 `ªeY‡K cÖkwgZ Kivi Rb¨ 0.5M
HCl Gi KZ mL `ªeY cÖ‡qvRb?
K 1.8867 mL L 18.87 mL
M 1.89 mL N 0.188 mL
692. 250 mL 0.1M H2SO4 `ªeY ˆZwi Ki‡Z KZ MÖvg
H2SO4 jvM‡e?
K 9.8 L 0.98
M 0.53 N 2.5
693. 50mL 0.1M FeSO4 Gi A¤øxq `ªeY‡K cÖwgZKi‡Y 50
mL KZ NbgvÎvi KMnO4 `ªeY jvM‡e?
|
অধ্যায় ০৪: তরিৎ েসায়ি M HCl wgwkÖZ cvwb N A¨vjwy gwbqvg
12. ‡KvbwU Zwor Kzcwievnx?
1. Zwor cÖevn gj~ Z- K KvP L ivevi
K ‡cÖvU‡bi cÖevn L B‡jKUª‡bi cÖevn M wPwb N MÖvdvBU
M AvqwbK c`v‡_©i cÖevn N M¨v‡mi cÖevn 13. ‡KvbwU Zwor Acwievnx?
2. ‡hme c`v‡_©i wfZi w`‡q Zwor cwienb Ki‡Z cv‡i Zv‡`i Kx ejv K MÖvdvBU L Zvgv
nq?
M je‡Yi `ªeY N ‡c‡Uªvj
K AvqwbK cwievnx L Zvc cwievnx 14. Zwor cwien‡bi c×wZ Z_v cwien‡bi †KŠk‡ji Dci wfwË K‡i
cwievnx KZ cÖKvi?
M Zwor cwievnx N Zwor Acwievnx
3. ‡KvbwU Zwor cwienb K‡i? K wZb L `yB
K mvaviY jeY L ﮋ KvV M Pvi N cvPu
M ivevi N `ªexfZ~ jeY 15. ‡KvbwU B‡jKUªbxq cwievnx bv?
4. ‡KvbwU Zwor cwienb K‡i bv? K Kcvi L Zvgv
K avZe gva¨g L MwjZ NaCl M wmjfvi N wPwb
M KvP N H2SO4 wgwkÖZ cvwb 16. ZvcgvÎv ew„ ×i mv‡_ mv‡_ avZe cwievwni cwievnxZv-
5. ‡KvbwUi Zwor cwien‡bi KviY gy³ B‡jKUªb?
K n«vm cvq L ew„ × cvq
K nxiKL MwjZ Lv`¨ jeY M AcwiewZ©Z _v‡K N mvgvb¨ e„w× cvq
M HCl wgwkÖZ cvwb N MÖvdvBU 17. B‡jKUªbxq cwievnx w`‡q we`y¨r cwien‡bi mgq c`v‡_©i Kx N‡U?
6. ‡KvbwU wfbœ cÖKw… Zi? K ‡fŠZ cwieZ©b
K NaOH `ªeY L GwmW wgwkÖZ cvwb L ivmvqwbK cwieZ©b
M MwjZ jeY N NaCl M ‡fŠZ I ivmvqwbK Dfq cwieZ©b
7. c‡Ö Z¨KwU c`v‡_©i Zwor cwienb Kivi ÿgZv mgvb bv nIqvi KviY- N Af¨šÍixY kw³i cwieZ©b
K wfbœ wfbœ ˆewkó¨ 18. B‡jKUªbxq cwievnx‡K Zwor cwien‡bi mgq N‡U bv †KvbwU?
L B‡jKUª‡bi Abcy w¯’wZ K ivmvqwbK wewµqv L ZvcgvÎvq cwieZ©b
M AvqwbZ nIqvi AÿgZv M B‡jKUªb cwienb N ‡fŠZ cwieZ©b
N AvqwbZ nIqvi cÖeYZv 19. avZe cwievnxi †ÿ‡Î Kvi mÎ~ c‡Ö hvR¨?
8. Zwor cwien‡bi gvÎv I Zwor cwien‡bi ÿgZvi Dci wbf©i K‡i K w÷‡d‡bi m~Î L ‡÷vi‡mi m~Î
Zwor cwievnx‡K Kq fv‡M fvM Kiv n‡q‡Q?
M e‡q‡ji mÎ~ N In‡gi m~Î
K cvPu fv‡M L wZb fv‡M 20. ‡h me c`v_© Zwor cÖev‡ni mgq wewkøó n‡q hvq Zv‡`i Kx e‡j?
M `yB fv‡M N Pvi fv‡M K Zworwe‡køl¨ L Zwor Awe‡køl¨
9. ‡KvbwU Zwor cwievnxi cÖKvi‡f` bv? M AvqwbK c`v_© N avZe c`v_©
K mycwievnx L Kcz wievnx 21. ‡KvbwU Zworwe‡køl¨ c`v_©?
M Acwievnx N weea©K K CuSO4 L CuO
M CCl4N wPwb
10. ‡KvbwU Zwor mcy wievnx? 22. ‡KvbwUi Zwor cwienb Am¤¢e?
K MÖvdvBU L KvuP
M ivevi N ‡jvnv K NaCl `ªeY L CuSO4 `ªeY
11. ‡KvbwU Zwor mycwievnx bv? M NaOH `ªeY N weï× cvwb
K Zvgv L NaCl 23. Zworwe‡køl¨ cwien‡bi mgq Kx N‡U?
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K ivmvqwbK cwieZ©b L ‡fŠZ cwieZ©b 33. ‡KvbwU Zwor cÖevnKv‡j A¯’vqx Pz¤^KZ¡ jvf K‡i?
M Dfq cwieZ©bB N avZe cwieZ©b K Cu L NaCl
24. Zworwe‡køl¨ cwievnx‡Z Kxfv‡e Zwor cÖevwnZ nq? M NaOH N H2
34. ‡KvbwU cwievwnZv ZvcgvÎv evovi mv‡_ mv‡_ ev‡o?
K Avqb PjvP‡ji gva¨‡g
L B‡jKUª‡bi PjvP‡ji gva¨‡g K MÖvdvBU L ‡jvnv
M Avqb I B‡jKUªb Df‡qi gva¨‡g M wR¼ N jeY
N Zi‡½i gva¨‡g 35. KwVb c`v‡_© ‡hvRbx B‡jKUªb KZ ai‡bi eÜb MVb K‡i?
25. d¨viv‡Wi m~Î cÖ‡hvR¨ †KvbwUi †ÿ‡Î? K 2 ai‡bi L 3 ai‡bi
K MÖvdvBU L Kcvi M 4 ai‡bi N 5 ai‡bi
M weï× cvwb N MwjZ NaCl 36. wb‡Pi †KvbwU AvswkK †cvjvi mg‡hvRx †hŠM?
26. ‡Kvb wewµqvi gva¨‡g Zworwe‡køl¨ cwievnx Zwor cwienb K‡i? K NaCl L HCl
K RviY weRviY L cvwb‡hvRb M NaOH N KCl
M AvqbxKiY N ckÖ gb 37. AvqwbK †hŠM Zwor cwienb K‡i-
27. avZe cwievnx‡K- K weMwjZ Ae¯’vq L KwVb Ae¯’vq
K B‡jKUª‡bi gva¨‡g Zwor cÖevwnZ nq M evqexq Ae¯’vq N ùwUKvKvi Ae¯’vq
L Avqb PjvP‡ji gva¨‡g Zwor cÖevwnZ nq 38. Zwor cwien‡bi mgq AvqwbK †hŠ‡Mi Kx N‡U?
M Zwor cÖev‡ni mgq ivmvqwbK cwieZ©b N‡U K ùUz b L we‡qvRb
N Zwor cÖev‡ni GK ev GKvwaK bZzb c`v‡_©i m„wó nq M we”QyiY N Nbxfeb
28. KvP we`¨y r Acwievnx KviYÑ 39. wb‡Pi †KvbwU MwjZ ev `ªexfZ~ Ae¯’vq Zwor cwienb K‡i?
K GwU A‡cvjvi mg‡hvRx †hŠM K Lv`¨ jeY L wbkv`j
L GwU wgwn wµ÷vjvBb c`v_© M Zvgv N MÖvdvBU
M GwU `ªexfZ~ nq bv 40. ‡KvbwU KwVb Ae¯’vq we`y¨r cwienb K‡i?
N GwU HNO3 Øviv ÿqcÖvß nq K ÿviK L GwmW
29. ‡KvbwUi ga¨ w`‡q Zwor `ªæZ MwZ‡Z cÖevwnZ n‡e?
M jeY N MÖvdvBU
K Zn avZz L MwjZ NaCl 41. Zwor cÖev‡ni d‡j Zwor we‡kø‡l¨i we‡qvRb‡K Kx e‡j?
M HCl N H2 M¨vm K Zwor we‡kølY L ivmvqwbK we‡kølY
30. ‡KvbwU Acwievnx?
M K¨v‡_vwWK we‡kølY N A¨v‡bvwWK we‡kølY
K `ªexfZ~ NaCl L D”P Pv‡c H2 M¨vm 42. Zworwe‡køl¨ cwievnxi Zwor cwienb ÿgZv-
M wb¤œ Pv‡c H2 M¨vm N MÖvdvBU K Kg L Ley B Kg
31. avZe cwievnx‡Z †Kvbiƒc cwieZ©b N‡U bv †Kb?
M ‡ewk N Ley B †ewk
K B‡jKUªb MwZkxj _v‡K e‡j 43. cvwb‡Z wb‡Pi †KvbwUi Zwor cwienb ÿgZv Zjz bvg~jKfv‡e †ewk?
L wbDwK¬qvm w¯’i _v‡K e‡j K NaOH L NH4OH
M H2CO3 N CH3COOH
M PvR© enb K‡i bv e‡j 44. `ªe‡Y hv‡`i Zwor cwienb ÿgZv †ewk Zv‡`i Kx e‡j?
N ‡fŠZ c×wZ e‡j
32. Zworwe‡køl¨ cwievnxi Aci bvg Kx? K Zxeª Zworwe‡køl¨ L Zxeª AvqwbK
K AvqwbK cwievnx L ‡cvjvi cwievnx M Zxeª mg‡hvRx N g„`y Zworwe‡køl¨
M B‡jKUªbxq cwievnx N Kcz wievnx 45. `ªe‡Y hv‡`i Zwor cwienb ÿgZv †ewk Zv‡`i Kx e‡j?
K Zxeª AvqwbK L g`„ y AvqwbK
|
M g`„ y Zworwe‡køl¨ N Zxeª Zworwe‡køl¨ K ¯’vwbK wµqv L ‡cvjvivqb
M wef‡ei cwieZ©b N Zwor cÖev‡ni cwieZ©b
46. wb‡Pi †KvbwU Zwor Awe‡køl¨? 58. ‡cvjvivqb wµqvi d‡j †KvbwU NUv Am¤¢e?
K ‡iv‡ai gv‡bi cwieZ©b
K Zvgv L MwjZ NaCl L `ªe‡Yi NbgvÎvi cwieZ©b
M cvk¦© wewµqv N‡U
M wPwb N MÖvdvBU N c¯Ö ’‡”Q‡`i †ÿÎd‡ji cwieZ©b
59. Zzj¨ cwievwnZvi †ÿ‡Î †KvbwU mwVK?
47. wb‡Pi †KvbwU Zworwe‡køl¨? K 1000 K L 100 K
K wPwb L BDwiqv CC
M 1000 K N 100 K
M Møy‡KvR N H2SO4 wgwkÖZ cvwb
48. Zwor ‡Kv‡li Zi‡j Wez v‡bv avZe `Û‡K Kx e‡j? CC
60. ‡KvbwU mwVK?
K ZworØvi L e¨vUvix
K K¨v‡_vW e¨vUvwii abvZ¥K cÖv‡šÍi mv‡_ hy³ _v‡K
M jeY †mZz N Zworwe‡køl¨ L K¨vUvqb FYvZ¥K PvR©h³y Avqb
M A¨v‡bvW abvZ¥K ZworØvi
49. Zwor ‡Kv‡l e¨eüZ abvZ¥K PvR©h³y ZworØvi‡K Kx e‡j? N A¨v‡bv‡W K¨vUvqb AvK…ó nq
61. ‡KvbwU wg_¨v?
K K¨v‡_vW L A¨v‡bvW K BDwiqv‡Z mg‡hvRx eÜb we`¨gvb
L BDwiqv Zwor cwienb Ki‡Z cv‡i bv
M e¨vUvix N jeY †mZz M BDwiqv †cvjvi mg‡hvRx †hŠM
N BDwiqv ‰Re †hŠM
50. A¨vbvqb Kx ai‡bi PvR© enb K‡i? 62. Zworwe‡køl¨ †Kv‡l Zwor kw³ †Kvb kw³ †_‡K Av‡m?
K Av‡jvK kw³ †_‡K L Zvckw³ †_‡K
K abvZ¥K L FYvZ¥K M ivmvqwbK kw³ †_‡K N ‡mŠikw³ †_‡K
63. Zworwe‡køl¨ †Kv‡l-
M PvR©wenxb N gy³ g~jK K A¨v‡bvW FYvZ¥K PvR©hy³
L K¨v‡_vW abvZ¥K PvR©hy³
51. Zworwe‡køl¨ Zwor cwien‡bi ÿgZv‡K Kx e‡j? M K¨vUvqb K¨v‡_v‡W hvq
N A¨v‡bvW e¨vUvixi FYvZ¥K cÖv‡šÍ h³y _v‡K
K cwievnxZv L cwievnx 64. eªvB‡b Zwor we‡kølY Ki‡j †KvbwU K¨v‡_v‡W hvq?
K Cl– L OH–
M ‡iva N cwievnKZ¡ M Na+ N H+
65. Zzu‡Zi `ªe‡Y Kcvi B‡jK‡UªvW e¨envi Ki‡j Zwor we‡køl‡Yi mgq
52. ‡KvbwUi In‡gi m~Î? A¨v‡bv‡W-
K Cu2+ PvR©g³y
K IV L IR L Cu avZz Cu2+ Drcbœ K‡i
RV M Aw·‡Rb Drcbœ nq N H2 M¨vm Drcbœ nq
M V R N I PL
I VA
53. wefe cv_©‡K¨i GKK Kx?
K Ing L ‡fvë
M A¨vw¤úqvi N wm‡gÝ
54. Av‡cwÿK †iv‡ai wecixZ ivwk‡K Kx e‡j?
K Av‡cwÿK cwievwnZv L cwievwnZv
M Zzj¨ cwievwnZv N ‡gvjvi cwievwnZv
55. Av‡cwÿK cwievwnZvi GKK Kx?
K Ing L (Ing)–1
M A¨vw¤úqvi N (A¨vw¤úqvi)–1
56. ‡KvbwUi mvnv‡h¨ Av‡cwÿK cwievwnZv wbY©q Kiv hvq?
K ûBU‡÷vb wgUvi weªR L ‡cvjvivqb
M M¨vjfv‡bvwgUvi N A¨vwgUvi
57. ‡iva wbiƒc‡b mgcÖevn we`¨y r e¨envi Ki‡j †KvbwU m„wói m¤¢vebv
_v‡K?
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66. eªvB‡bi Zwor we‡køl‡Y K¨v‡_vW wn‡m‡e Pt e¨envi Ki‡j K¨v‡_v‡W K we`y¨r PvR©
Kx cvIqv hvq?
L ‡cvjvwiZ nIqvi ÿgZv
K Na avZz L H2 M¨vm M we`¨gvb gy³‡Rvo B‡jKUªb
M cvwb N Aw·‡Rb
N `ªve¨Zv
67. cwieZx© cÖevn cÖwZ †m‡K‡Û KZevi w`K cwieZ©b K‡i? 78. ‡Kv‡bv c`v‡_©i Zwor cwien‡bi ag©‡K Kx e‡j?
K 50-60 evi L 80-100 evi K cwievnKZ¡ L cwievwnZv
M 100-500 evi N 500-1000 evi M cwievnK N cwievnx
68. CH3COOH `ye©j Zworwe‡køl¨ †Kb? 79. Zworwe‡køl¨ cwievnx me©cÖ_g †Kvb weÁvbx D™¢veb K‡ib?
K A‡cvjvi †hŠM e‡j L mg‡hvRx †hŠM e‡j
K gvB‡Kj A¨vš’wb L gvB‡Kj d¨viv‡W
M Kg AvqwbZ nq e‡j N ‡ewk AvqwbZ nq e‡j M gvB‡Kj nvIqv_© N gvB‡Kj Rbmb
69. ‡KvbwU m‡y µv‡Ri ms‡KZ? 80. gvB‡Kj d¨viv‡W KZ mv‡j Zvi Zwor cwien‡bi †gŠwjK m~Î `ywU
cKÖ vk Ki?
K C12H22O11 L C12H22O12
M C6H12O11 N C6H12O13 K 1835 L 1833
70. 1 †gvj HCl GwmW †_‡K KZ †gvj nvB‡Wªv‡Rb Avqb Drcbœ nq?
M 1831 N 1832
K 1 †gvj L 0.5 †gvj 81. Zwor cÖev‡ni d‡j †h ivmvqwbK we‡qvRb N‡U Zv‡K Kx e‡j?
M 2 †gvj N 1 †gvj K Zwor we‡kølY L Zwor we‡qvRb
3
M Zwor ms‡hvRb N Zwor ms‡kølY
71. my‡µvR Rjxq `ªe‡Y Zwor cwienb K‡i bv, KviY GwU 82. Zwor ceÖ v‡ni d‡j ZworØv‡i mwÂZ c`v‡_©i cwigvY ceÖ vwnZ
Zwo‡Zi-
K AvqwbK †hŠM L ‡cvjvi †hŠM
M A‡cvjvi †hŠM N mwb‡œ ek †hŠM K e¨¯Ívbcy vwZK L e‡M©i e¨¯Ívbcy vwZK
72. ‡KvbwU wf‡bMvi ˆZwi‡Z e¨envi Kiv nq? M mgvbycvwZK N e‡M©i mgvbycvwZK
K CH3COOH L CH3CH2COOH 83. ‡KvbwU Am¤¢e?
M HOOC–COOH N HCOOH
73. wf‡bMv‡i Kx cwigvY A¨vwmwUK GwmW _v‡K? K W = ZQ L Q = It
M W = ZIt N Q = ZIt
K 6-8% L 6-10% 84. GK Kjz ¤^ we`y¨r ceÖ v‡ni d‡j †Kv‡bv c`v‡_©i hZ cwigvY A¨v‡bv‡W
`ªexfZ~ ev K¨v‡_v‡W mwÂZ nq Zv‡K Kx e‡j?
M 6-12% N 4-6%
74. ‡KvbwU Øviv cÖevwnZ Zwo‡Zi cwigvY wbY©q Kiv hvq? K ivmvqwbK Zzj¨v¼
K A¨vwgUvi L ‡fvëwgUvi L Zwor ivmvqwbK Zjz ¨v¼
M e¨v‡ivwgUvi N wc‡KvwgUvi M d¨viv‡W
75. ‡KvbwU Zwor Awe‡køl¨? N hvwš¿K Zzj¨v¼
K CH3OH L H3PO4 85. wmjfv‡ii Zwor ivmvqwbK Zzj¨v¼ KZ?
M HF N CH3COOH
76. wg_vbj Zwor cwienb K‡i bv KviY- K 0.001118g L 0.000118 g
M 0.000010447 g N 0.00010447 g
K A‡cvjvi mg‡hvRx †hŠM 86. wmjfvi bvB‡Uª‡Ui Zwor we‡køl‡Yi gva¨‡g GK †gvj wmjfvi Drcbœ
Ki‡Z KZ †gvj wmjfvi bvB‡UªU jvM‡e?
L AvswkK †cvjvi mg‡hvRx †hŠM
M mwb‡œ ek mg‡hvRx †hŠM K GK †gvj L `yB †gvj
N cvwb Øviv we‡køwlZ nq M Aa© †gvj N wZb †gvj
77. we`y¨r kw³i cwigvcK †KvbwU? 87. Ag+(aq) + e– Ag(s) wewµqvwU †Kvb ai‡bi?
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K RviY weRviY L RviY K 17wUL 19wU
M weRviY N ms‡hvRb M 20wUN 18wU
88. wmjfvi cigvYyi fi KZ? 97. ‡mvwWqvg cigvYy †_‡K GK †gvj K¨vUvqb †c‡Z 6.0231023wU
B‡jKUªb MÖn‡Yi cÖ‡qvRb n‡j A¨vjywgwbqvg †_‡K GK †gvj K¨vUvqb
K 108 g L 104 g KZwU B‡jKUªb MÖn‡Yi cÖ‡qvRb?
M 127 g N 78 g
89. wmjfvi 108 g G cigvYy msL¨v KZ? K 16.0231023wU L 1 6.0231023wU
M 26.0231023wU 2
K 6.02310-23wU L 6.0231023wU
N 36.0231023wU
M 1wU N 2.991023wU
98. AgNO3 `ªe‡Y 5 A¨vw¤úqvi we`¨y r 10 wgwbU a‡i Pvjbv Ki‡j Kx
90. GK d¨viv‡W mgvb KZ? cwigvY Ag avZz mwÂZ n‡e?
K 9650 L 96500 K 5.36g L 2.5g
M 965000 N 965500 M 3.361g N 2.63g
99. ‡µvwgqvg (III) mvj‡dU `ªe‡Y 5.0 amp Zwor KZ mgq a‡i Pvjbv
91. 25C ZvcgvÎvq AgNO3 `ªe‡Y 2.5 amp Zwor Pvjbv Ki‡j
K¨v‡_v‡W 5g Ag Rgv nq| hw` ZvcgvÎv 50C nq Z‡e Kx cwigvY Ki‡j K¨v‡_v‡W 2.5g †µvwgqvg avZz mwÂZ nq?
Ag Rgv n‡e?
K 46.40 minL 45.46 min
K 10g L 5g
M 46.50 minN 50.46 min
M 20g N 2.5g 100. Zwor ivmvqwbK Zjz ¨v‡¼i GKK Kx?
92. Fe2+ `ªeY n‡Z 56g †jvnv‡K ZworØv‡i Rgv Ki‡Z 2F Zwor jvMv‡j K MÖvg (Kzj¤^)–1 L (MÖvg)–1 Kjz ¤^
F3+ `ªeY n‡Z GKB cwigvY †jvnv‡K ZworØv‡i Rgv Ki‡Z Kx cwigvY
Zwor jvM‡e? M MÖvg (wjUvi)–1 N (Kjz ¤^)–1
K 2F L 4F 101. 0.5A gvÎvi Zwor ceÖ vn 10 min mgq a‡i Zu‡z Zi Rjxq `ªe‡Y
Pvjbv Ki‡j Kx cwigvY Kcvi mwÂZ n‡e?
M 3F N 1 F
2 K 0.0987g L 9g
93. d¨viv‡Wi mÎ~ wb‡Pi †Kvb cwievnxi †ÿ‡Î cÖ‡hvR¨? M 0.8 g N 0.0509 g
K MwjZ NaCl L MÖvdvBU 102. Kcvi mvj‡dU `ªe‡Yi ga¨w`‡q 2 amp Zwor KZÿY Pvjbv Ki‡j
2.368 g Kcvi mwÂZ n‡e?
M wPwbi `ªeY N Møy‡Kv‡Ri `ªeY
K 10 min 30 s L 20 min 30 s
94. wb‡Pi †Kvb †ÿ‡Î d¨viv‡Wi m‡~ Îi c‡Ö qv‡Mi ÎæwU jÿ Kiv hvq?
M 58 min 59 s N 30 min 10 s
K 100 fvM B‡jK‡UªvjvBwUK `ªeY
103. jNy mvjwdDwiK Gwm‡Wi g‡a¨ cøvwUbvg ZworØv‡ii mvnv‡h¨ KZ Kzj¤^
L GKB mv‡_ gvÎ GKwU wewµqv NU‡j
we`y¨r ceÖ vwnZ Ki‡j Av`k© DòZv I Pv‡c ZworØv‡i 500cm3
M GKwU gvÎ RviY-weRviY wewµqvi †ÿ‡Î nvB‡Wªv‡Rb Drcbœ n‡e?
N GKvwaK RviY-weRviY NU‡j K 2154.09 Kjz ¤^ L 4308.036 Kjz ¤^
95. ‡KvbwU †iW· wewµqv? M 8131.036 Kzj¤^ N 9308.036 Kzj¤^
K Na+ + e– Na 104. Kcvi avZiz cvigvYweK fi 63.5| Gi Zwor ivmvqwbK Zzj¨v¼ KZ?
L Cl– – e– 1 Cl2 K 0.000118 g coul–1 L 0.000329 g coul–1
2
M 0.0000408 g coul–1 N 0.000569 g coul–1
M 1 Cl2 1 Cl2 Cl2 105. GKwU Zwor Øviv 50 coulumb we`y¨r ceÖ vwnZ Ki‡j ZworØv‡i
2 2
0.098 g avZz Rgv nq| avZzi Zwor ivmvqwbK Zjz ¨v¼ KZ?
N 2FeCl2 + Cl2 2FeCl3 K 0.000329 g coul–1 L 0.000118 g coul–1
96. ‡K¬vwib cigvYyi Avqb (Cl–) Gi †K‡›`ª †cÖvUb msL¨v KZ? M 0.00196 g coul–1 N 0.000408 g coul–1
|
106. GKwU ZworØv‡ii wfZi w`‡q 5C we`y¨r 5 †m‡KÛ cÖevwnZ nq| 116. ‡KvbwU Rjxq ev®ú n‡Z nvB‡Wªv‡Rb‡K cwÖ Z¯’vcb Ki‡Z cv‡i?
ceÖ vngvÎv KZ?
K 5A L 10A K ‡mvwWqvg L ‡Kvevë
M 1A N 0.5A
M ‡jW N Kcvi
107. Zzu‡Zi `ªe‡Y 40 min a‡i 160 mA Zwor ceÖ vwnZ Ki‡j ZworØv‡i
KqwU Kcvi cigvYy Rgv co‡e? 117. ‡KvbwU Øviv GwmW n‡Z nvB‡Wªv‡Rb‡K cÖwZ¯’vcb Kiv Am¤¢e?
K 6.0231023wU L 1.1981023wU
M 1.1981021wU N 6.0231021wU K ‡Kvevë L wb‡Kj
108. ‡KvbwU Zwor we‡kølY Kv‡j K¨v‡_v‡W Rgv nq? M ‡jW N Kcvi
K H2 L N2
M Cl2 N O2 118. ‡Kvb AvqbwU AwaK ¯’vqx?
109. bxj e‡Y©i Kcvi mvj‡dU (CuSO4) Avqi‡bi mv‡_ wewµqv K‡i K Mg2+ L Na+
†divm mvj‡dU Drcbœ K‡i| †divm mvj‡d‡Ui eY© Kxiƒc?
K bxj L nvjKv bxj M Cu2+N Ag+
M nvjKv meRy N Kgjv
119. ‡KvbwUi weRviY ag© Zjz bvgj~ Kfv‡e †ewk?
110. Fe(s) + CuSO4(aq) FeSO4(aq) + Cu(s) Kx ai‡bi wewµqv?
K cwÖ Z¯’vcb L mgvbKy iY K Zn L Fe
M ms‡hvRb N we‡qvRb
M Cr N Sn
111. B‡jKUªb Z¨vM abvZ¥K Avq‡b cwiYZ nIqvi cÖeYZv‡K Kx e‡j?
K RviYL weRviY 120. ‡KvbwU mn‡R weRvwiZ n‡q avZ‡z Z cwiYZ n‡e?
M ms‡hvRb N we‡qvRb
K Pb2+L Cu2+
112. ‡h †gŠ‡ji B‡jKUªb Z¨v‡Mi cÖeYZv †ewk Zvi-
K RviY wef‡ei gvb Kg M Ag+ N Hg2+
L mwµqZv Kg
M weRviY wef‡ei gvb Kg 121. ‡KvbwUi weRviY ag© Zjz bvg~jKfv‡e †ewk?
N Zwor cwienb ÿgZv Kg
K Ni L Cu
113. RviY wef‡ei gvb †ewk n‡j †gŠjwU-
K `ªæZ mwµq Z¨vM K‡i M Au N Zn
L mn‡RB wewµqvq hvq
M mwµq nq 122. ‡KvbwU Zv‡`i RvwiZ Ae¯’v‡K weRvwiZ K‡i?
N mn‡R B‡jKUªb Z¨vM K‡i bv
K Au L Pb
114. ‡gŠjmg~n Zv‡`i mwµqZvi wb¤œ µgvbymv‡i mvwR‡q †h mvwi cvIqv
hvq Zv‡K Kx e‡j? M Ni N Mg
K mwµqZvi wmwiR L avZµz g
M chv©q mviwY N avZe mviwY 123. ‡KvbwU Zjz bvgj~ Kfv‡e kw³kvjx RviK?
115. wb‡Pi †KvbwU cvwb †_‡K nvB‡Wªv‡Rb‡K cwÖ Z¯’vcb Ki‡Z cv‡i? K F L Cl
K Mg L Al
M Fe N Na MP NN
124. ‡KvbwU Av‡M A¨v‡bv‡W PvR©hy³ nq?
K Cl– L I–
M NO3 N OH–
125. A, B., C I D †gŠj¸‡jvi cÖgvY weRviY wefe h_vµ‡g –2.87V,
–1.66V, 0.22V Ges 1.08V| †KvbwU DËg weRviK?
KB LC
MD NA
126. P, Q, R, T †gŠj PviwUi cÖgvY weRviY wefe h_vµ‡g –0.44V,
0.00V, 0.34V Ges 1.36V †KvbwU DËg RviK?
KP LQ
MR NT
127. H2SO4 †hŠ‡M mvjdv‡ii RviY msL¨v †KvbwU?
K 0 L +2
M +4 N +6
128. ‡KvbwU wfbœ cÖK…wZi? |
KH LI M nvjKv meRy N nvjKv bxj
139. avZzi mv‡_ Gwm‡Wi wewµqvq mgq-
M Cu N Zn
K H+ Avqb Øviv avZz weRvwiZ nq
129. ‡KvbwUi weRviY wef‡ii gvb Abb¨? L H+ Avqb avZz Øviv weRvwiZ nq
M avZz Øviv HCl RvwiZ nq
K Zn L Cu N avZz RviK wn‡m‡e KvR K‡i
140. wR¼ avZ‡z Z Kcvi Zvi `ªeY n‡Z cÖwZ¯’vcb Ki‡Z cv‡i bv KviY-
M H N Al K wR¼ avZiz weRviY wef‡ei gvb Kcvi n‡Z †ewk
L wR¼ avZiy RvfiY wef‡ei gvb Kcvi n‡Z †ewk
130. avZz B‡jKUªb Z¨vM Kivi mgq- M Kcvi wR¼ A‡cÿv AwaK kw³kvjx RviK
N wR¼ Kcvi A‡cÿv AwaK kw³kvjx RviK
K RvwiZ nq L weRvwiZ nq 141. wR‡¼i RviY gvb w¯’i †Kb?
K D-eøK †gŠj e‡j
M wewkøó nq N ‡hŠ‡M cwiYZ nq L Ae¯’všÍi †gŠj e‡j
M dvuKv d AiweUvj †bB e‡j
131. avZe Avq‡bi weRvwiZ nIqvi cÖeYZv †KvbwUi Dci wbf©i K‡i? N B‡jKUªb Øviv AiweUvj cY~ © e‡j
142. wR¼ Kcvi‡K cÖwZ¯’vcb Ki‡Z cvi‡jI †jvnv wR¼‡K cÖwZ¯’vcb
K Avq‡bi Nb‡Z¡i Dci L avZzi mwµqZvi Dci Ki‡Z cv‡i bv, KviY-
K wR‡¼i weRviY wef‡ei gvb me‡P‡q Kg
M ZvcgvÎvi Dci N Pv‡ci Dci L Kcv‡ii weRviY wef‡ei gvb me‡P‡q †ewk
M †jvnvi weRviY wef‡ei gvb FYvZ¥K
132. ‡KvbwUi avZzi mwµqZv cÖgvY K‡i bv? N wR‡¼i weRviY wef‡ei me‡P‡q ‡ewk FYvZ¥K gvb
143. Zwor ‡Kv‡l mvaviYZ KqwU ZworØvi _v‡K?
K avZzi cvwb †_‡K H AcmviY K 2wU L 3wU
M 4wU N 1wU
L avZzi w÷g ‡_‡K H cÖwZ¯’vcb 144. ‡KvbwU W¨vwb‡qj †Kv‡l RviY Aa©‡Kvl?
K ZnSO4/Zn L Zn/ZnSO4
M avZiz GwmW ‡_‡K H cÖwZ¯’vcb M Cu/CuSO4 N CuSO4/Cu
145. ‡h Aa©‡Kv‡l RviY N‡U Zv‡K Kx e‡j?
N avZz †_‡K B‡jKUªb AcmviY K weRviY †KvlL weRviY Aa©‡Kvl
M RviY †Kvl N RviY Aa©‡Kvl
133. ‡KvbwU MÖæc IIA avZiz evB‡i Aew¯’Z? 146. ‡h Aa©‡Kv‡l weRviY N‡U Zv‡K Kx e‡j?
K weRviY Aa©‡Kvl L weRviY †Kvl
K Ca L Sr M RviY †Kvl N RviY Aa©‡Kvl
147. ‡KvbwU W¨vwb‡qj †Kv‡li weRviY Aa©‡Kvl?
M Ba N At K Zn/ZnSO4 L Zn/Zn2+
M CuSO4/Cu N Cu/CuSO4
134. ‡KvbwUi RviY msL¨v †e‡o‡Q? 148. cKÖ …Zc‡ÿ Zwor ivmvqwbK †Kv‡l †Kvb ai‡bi wewµqv msNwUZ nq?
K Fe3+ + e– Fe2+ L Cl– 1 e
2 Cl2
M H e 1 N 1 Cl2 e Cl
2 H2 2
135. Fe, Zn, Cu I Ag GKB `ªe‡Y _vK‡j †KvbwUi RviY NU‡e?
K Fe L Zn
M Cu N Ag
136. gwiPvi ms‡KZ Kx?
K Fe2O3.nH2O L FeO.nH2O
M Fe3O4.H2ON Fe3O4.nH2O
137. ¯^Y© `xN©Kvj gvwU‡Z jwy K‡q ivL‡jI †Kvbiƒc cwieZ©b nq bv †Kb?
K Ae¯’vb mwµqZv wmwi‡Ri wb‡P
L ¯^‡Y©i Dci AveiY c‡o
M RviY wefe ‡ewk e‡j
N MÖæc-IB G Aew¯’Z e‡j
138. Kcvi mvj‡dU (CaSO4) Gi eY© Kx?
K bxj L meRy
|
K ms‡hvRb L RviY L Pt, Sn2+(aq)/Sn4+
M weRviY N RviY-weRviY
149. MVb‡f‡` Aa©‡Kvl‡K KZ fv‡M fvM Kiv hvq? M Pt, Cu+(aq)/Cu2+(aq)
K wZb fv‡M L `yB fv‡M
M Pvi fv‡M N cvuP fv‡M N Pt, H2(g)/H+(aq)
150. RviY Aa©wewµqv KZ cÖKvi? 159. ‡KvbwU M¨vm Aa©‡Kvl?
K cvPu cÖKvi L wZb cKÖ vi
M Pvi cÖKvi N `yB cÖKvi K AgCl(s)/Cl–(aq) L Pt, H2(g)/H+(aq)
151. wb‡Pi †KvbwU avZz-avZe Avqb Aa©‡Kvl? M Pt, Cu+(aq)/Cu2+(aq) N Pt, H2(g)/H+(aq)
K Na–Hg(s)/Na+(aq) 160. M¨vm B‡jK‡Uªv‡W †Kvb avZz hMy j e¨envi Kiv nq?
L Zn(s)/Zn2+(aq)
M Hg(Ɩ):Hg2SO4(s)/SO42– K Hg, Au L Hg, Pt
N Pt.Fe2+(aq)/Fe2+(aq)
152. ‡KvbwU‡K avZz-avZe Avqb Aa©‡Kvl ej‡j Pig fjz n‡e? M Pt, Au N Pt, V
K Ni(s)/Ni2+(aq) L Ag(s)/Ag+(aq)
M Ag(s)/AgSO4(aq) N Fe2+(aq)/Fe3+(aq),Ft 161. M¨vm B‡jK‡Uªv‡W KZ Pvc wbqš¿Y Kiv nq?
153. Ag+(aq) + e Ag(s) wewµqvwU w`‡q †Kvl MVb Ki‡j n‡e-
K Ag+(aq)/Ag+(s) L Ag(s)/Ag+(s) K 1atm L 5 atm
M Ag(s)/AgSO4(aq) N Ag2SO4(aq)/Ag(s)
154. avZzi A¨vgvjMvg avZe Avqb Aa©‡Kv‡l mwµq avZiz wb‡Pi †KvbwU M 2 atm N 10 atm
e¨envi Kiv nq?
K Hg L Ag 162. weRviK B‡jKUªb Z¨vM Ki‡j RviY msL¨v---|
M Pt N V
155. avZiz A¨vgvjMvg avZe Avqb Aa©‡Kvl wb‡Pi †KvbwU? K ev‡o L K‡g
K Na–Hg(s)/Na+(aq) L Ag–Hg(s)/Ag(+)(aq)
M Ag(s)/Ag+(aq) N Au–Hg(s)/Au+ M AcwiewZ©Z _v‡K N †Kv‡bv †Kv‡bv mgq ev‡o
156. ‡KvbwU K¨v‡jv‡gj B‡jK‡UªvW?
K Ag(s)AgCl(s)/Cl–(aq) 163. M¨vjfvwbK †Kv‡l ivmvqwbK kw³‡K †Kvb kw³‡Z iƒcvšÍi Kiv nq?
L Hg(Ɩ)Hg2SO4(s)/ SO4 (aq)
M Pt, H2(g) (1atm)/H+(aq)(1M) K Av‡jvK kw³‡Z L Zwor kw³‡Z
N Cl–(1M)/Hg2Cl2, Hg
157. ‡KvbwUi avZz I avZiz A`ªeYxq jeY Aa©‡Kvl nIqv Am¤¢e? M Zvc kw³‡Z N †mŠikw³‡Z
K Hg(Ɩ), Hg2Cl2(s)/Cl–(aq)
L Ag(s), AgCl(s)/Cl–(aq) 164. ‡KvbwU fzj?
M Hg(Ɩ), Hg2SO4(s)/ SO24 (aq)
N Na–Hg(s)/Na+(aq) K Ecell = Eanode(ox) + Ecathode (red)
158. ‡KvbwU wfbœ cÖK…wZi?
K Pt, Fe2+(aq)/Fe3+(aq) L Ecell = Eanode(ox) – Ecathode (ox)
165. M Ecell = Ecathode (red) – Eanode(red)
N Ecell = Eanode(ox) + Ecathode (ox)
Rvwb‡qj †Kv‡li Zwo”PvjK ej KZ?
K 1.10V L 2.10V
M 3.10V N 2.20V
166. jeY †mZz cKÖ vkK wPý †KvbwU?
K / L ||
M ( )N [ ]
167. W¨vwb‡qj Aa©‡Kvl †KvbwU?
K Fe(s)/Fe2+(aq) L Ag(s)/AgCl(s)/Ag+(aq)
M Cu2+(aq)/Cu(s) N Sn4+(aq)/Sn2+(aq)
168. jeY †mZz‡Z wb‡Pi †KvbwU e¨envi Kiv hv‡e bv?
K NH4NO3 L KNO3
M KCl N CH3COONa
169. ‡Kvl wewµqv †Kv‡li †Kv_vq N‡U?
K `y cÖv‡šÍ L Zwor we‡køl¨
M e¨vUvwi‡Z N A¨v‡bv‡W
|
170. GKB avZiz `ywU wfbœ Avq‡bi Aa©‡Kv‡l wbw®Œq avZz e¨eüZ nq- N weRviY cÖeYZv ew„ × cvq
K wewµqvi MwZ‡K n«vm L cwi‡kvlK Zj e„wׇZ 180. avZe Avq‡bi weRviY NU‡j Zvi Rb¨ wb‡Pi †Kvb Z_¨wU mwVK?
M M¨vm Drcbœ Ki‡Z N Avavb cwievnK wn‡m‡e K avZiz `ªeY Pvc Kg
171. ‡KvbwU wg_¨v M¨vm B‡jK‡Uªv‡W- L avZe Avq‡bi Am‡gvwUK Pvc †ewk
K ZvcgvÎv 0C G w¯’i ivLv nq M avZiz Avq‡bi Am‡gvwUK Pvc Kg
L Avq‡bi NbgvÎv 1M ivLv nq N avZwz U mwµqZv wmwi‡Ri wb‡Pi w`‡K Aew¯’Z
M Pvc 1atm w¯’i ivLv nq 181. cgÖ vY nvB‡Wªv‡Rb ZworØv‡ii wefe KZ?
N Pt B‡jK‡UªvW e¨envi Kiv nq K –2.10V L 3.30V
172. cgÖ vY Ae¯’vq ZworØv‡ii wefe‡K Kx e‡j? M 1.10V N 0.00V
K cgÖ vY ZworØvi wefe L RviY ZworØvi wefe 182. cwÖ ZwU †Kv‡l Kq ai‡bi ZworØvi wefe Drcbœ n‡Z cv‡i?
M weRviY ZworØvi wefe N K¨v‡jv‡gj ZworØvi wefe K wZb L Pvi
173. wewfbœ ZworØvi wef‡ei gvb wbY©‡q e¨eüZ nvB‡Wªv‡Rb ZworØvi‡K M `By N cvPu
Kx e‡j?
183. B¯úv‡Z †Kvb Dcv`vbwU _v‡K?
K gyL¨ ZworØviL wb‡`©kK ZworØvi K wb‡Kj L Kcvi
M †MŠY ZworØvi N K¨v‡jv‡gj ZworØvi M wR¼ N gwje‡Wbvg
174. ZworØvi wefe Kvi Dci Awbf©ikxj? 184. avZzÿ‡qi Av‡M †KvbwU msNwUZ nq?
K avZe cÖKw… Z L Avq‡bi NbgvÎv K ‡fvëv †Kvl L Zwor we‡kølY †Kvl
M `ªe‡Yi NbgvÎv N cvwicvwk¦©K Ae¯’v M W¨vwb‡qj †Kvl N Pj‡Kvl
175. avZe cigvYiy mwµqZv †ewk n‡j †KvbwU Kg nq? 185. K¨v‡jv‡gj ZworØv‡ii wefe KZ?
K Am‡gvwUK Pvc L `ªeY Pvc K 0.00V L –2.10V
M Zwor cÖevn N B‡jKUª‡bi cÖevn M –1.10V N 0.24V
176. ‡KvbwU wg_¨v? 186. avZzi ÿq †iv‡a ‡Kvb cÖwµqv e¨envi Kvh©Ki f~wgKv ivL‡Z cv‡i bv?
K avZzi ZworØvi wefe = avZzi `ªeY Pvc – `ªe‡Yi Am‡gvwUK Pvc K A¨v‡bv‡Wi RviY wef‡ei gvb Kwg‡q
L avZzi `ªeY Pvc = avZiz ZworØvi wefe – `ªe‡Yi Am‡gvwUK Pvc L K¨v‡_vW I A¨v‡bv‡Wi wef mgvb K‡i
M avZzi `ªeY Pvc = avZiz ZworØvi wefe + `ªe‡Yi Am‡gvwUK Pvc M avZzi cwie‡Z© m¼i avZz e¨envi K‡i
N `ªe‡Yi Am‡gvwUK Pvc = avZzi `ªeY Pvc – avZzi ZworØvi wefe N avZzwU‡K A¨v‡bvW wn‡m‡e e¨envi K‡i
177. wR¼ avZzi weRviY ZworØvi wef‡ei gvb KZ? 187. ‡KvbwUi cÖgvY ZworØvi wefe abvZ¥K?
K 0.76V L – 0.76V K I2 L Br2
M O2 N Nb
M – 0.44V N –0.44V 188. ‡KvbwUi cÖgvY weRviY wef‡ei FYvZ¥K gvb †ewk?
178. M¨vm B‡jK‡Uªv‡W wbw®Œq avZz e¨envi Kiv nq KviY-
K GwU M¨vm †kvlY K‡i K K L Zn
L wewµqv NUv‡Z mvnvh¨ K‡i M Na N Ca
M M¨v‡mi cwigvY e„w× K‡i 189. ‡KvbwUi cÖgvY RviY wef‡ei abvZ¥K gvb †ewk?
N B‡j‡±vW wn‡m‡e KvR K‡i K Cl2 L I2
M Br2 N Ag
179. wef‡ei abvZ¥K gvb evo‡Z _vK‡j- 190. ‡KvbwUi cÖgvY weRviY wef‡ei gvb - e¨wZµgagx©?
K B‡jKUªb PjvPj n«vm cvq
L avZzi `ªexf~Z nIqvi cÖeYZv ev‡o K Fe L Zn
M RviY gvb n«vm cvq M Cu N Pb