m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 51
51 miKvwi Gg Gg K‡jR, h‡kvi welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 Kvu Pv Pvgov cvKv Pvgov‡Z cwiYZ Ki‡Z `By ai‡bi †Uwbs 5 w¯’i ZvcgvÎvq wbw`©ó f‡ii GKwU M¨vm wb‡q wewfbœ Pv‡c
cÖwµqv e¨envi Kiv nq| (1) LwbR †Uwbs (2) Dw™¢` †Uwbs| AvqZb wbY©q Kiv n‡jv| wbwg©Z Pvc I AvqZ‡bi m¤úK©mg~n
K. b¨v‡bv KYv Kx? 1 wb¤œiƒc
L. wm‡g›U ˆZwi‡Z wRcmvg e¨envi Kiv nq †Kb? 2 P(atm) 1 2 3 4 5 6
M. DÏxc‡Ki (1) bs cÖwµqvi g~jbxwZ eY©bv Ki| 3 V(L) 15 6 4.5 3.85 3.44 3.2
N. DÏxc‡K DwjøwLZ wkí Kx cwi‡ek `l~ Y K‡i? K. GwmW ew„ ó Kx? 1
L. Abey Üx A¤-ø ÿvi ej‡Z wK eyS? 2
we‡kølY Ki| 4 M. DÏxc‡Ki Z_¨mgn~ e‡q‡ji mÎ~ ‡K mg_©b K‡i wKbv
2 eRÆÅ KvMR g´£ M eYb© v Ki| 3
K. IqvUvi M¨vm wK? 1 N. DÏxc‡Ki gvbmg~n n‡Z PV ebvg V †jLwPÎ AsKb
K‡i M¨vmwUi cÖKw… Z we‡kølY Ki| 4
L. d‡z qj †mj cwi‡ek evÜe-e¨vL¨v Ki| 2 ÷Ó• B^vi
M. DÏxc‡Ki M Gi cÖ¯‘wZi gj~ bxwZ eY©bv Ki| 3 6 CH3CH2Br + Mg A
N. M Gi cÖ¯‘wZ‡Z wimvBwK¬s Gi cÖ‡qvRbxqZv we‡kølY K. mg‡MvÎxq †kÖYx Kv‡K e‡j? 1
Ki| 4 L. †K›`ªvKl©x cÖwZ¯’vcb wewµqv ej‡Z wK eSy ? 2
M. DÏxc‡K ﮋ B_vi e¨env‡ii KviY mgxKiYmn
3 EA/A2+ = + 0.80 V, EB/B+ = + 0.40V, EZn/Zn2+ = + e¨vL¨v Ki| 3
0.76V N. DÏxc‡Ki A n‡Z 1, 2 I 3 A¨vj‡Kvnj ms‡kølY
(GLv‡b, A I B `wy U c„_K avZ)z Kiv hvq we‡kølY Ki| 4
K. cÖgvY Zwo`Øvi wefe wK? 1 7 100 mL 0.2 M 50 mL 0.5 M
Na2CO3
L. Zwor we‡klø Y GKwU wiW· wewµqv-e¨vL¨v Ki| 2 HCl
M. DÏxc‡Ki A I B avZz Øviv wbwg©Z †KvlwUi cÖgvY A cvÎ B cvÎ
Zwo”PvjK ej MYbv Ki| 3 K. †gvjvi AvqZb Kv‡K e‡j? 1
N. DÏxc‡Ki weRviY Aa©‡Kv‡li Zwor we‡køl¨ `ªeYwU‡K L. weqvi-j¨v¤^v‡U©i mÎ~ wjL| 2
wRsK avZiz cv‡Î ivLv hv‡e wKbv Zv MvwYwZKfv‡e M. DÏxc‡Ki A cv‡Îi `ªe‡Yi kw³gvÎv ppm B cv‡Îi
we‡kølY Ki| 4 `ªe‡Yi kw³gvÎv ppt GK‡K wnmve Ki| 3
4 GKwU wkí KviLvbvi imvqwbe`iv `ywU wfbœ †`k KvbvWv N. A I B cv‡Îi `ªeY GK‡Î wgwkÖZ Ki‡j `ªe‡Yi
†_‡K 0.40 MÖvg I Av‡gwiKv †_‡K 0.35 MÖvg †jvnvi bgby v cÖK…wZ wK n‡e we‡kølY Ki| wgwkÖZ `ªe‡Yi cÖK…wZi
msMnÖ Kij| imvqbwe`iv †`L‡Z †c‡jb †jvnvi NbgvÎv kZKiv GK‡K wnmve Ki| 4
bgby v¸‡jv‡K jNy mvjwdDwiK Gwm‡W `ªexfZ‚ K‡i cÖvß
`ªeYØq‡K m¤úY~ ©iƒ‡c RvwiZ Ki‡Z 0.03 †gvjvi `ªe‡Yi 8 MvpHNHO2S3O4 A + H2O
K. DU©R wewµqv Kv‡K e‡j?
h_vµ‡g 30 wgwj I 27 wgwj cÖ‡qvRb n‡jv| 1
K. †gvjvwjwU Kx? 1 L. CH3CHO I HCHO Gi g‡a¨ †KvbwU AwaK mwµq
L. Av‡qvwWwgwZ I Av‡qv‡WvwgwZ ej‡Z Kx eyS? 2 Ges †Kb? 2
M. DÏxc‡Ki †h wewµqvq KMnO4 e¨en„Z nq †mB M. DÏxc‡Ki †ebwRb ej‡qi cÖwZ¯’vcKwU A_© I c¨viv
wewµqvi Avqb-B‡jKUªb c×wZ‡Z mgZv mvab Ki| 3
wb‡`©kK e¨vL¨v Ki| 3
N. DÏxcK Abmy v‡i †Kvb †`k †_‡K bgybv Avg`vwb Kiv N. DÏxc‡Ki A †hŠMwUi bvg wjL Ges Drcbœ nIqvi
jvfRbK n‡e Zv MvwYwZK we‡kølY K‡i ewy S‡q `vI| 4 KviY we‡kølY Ki| 4
52 mvZÿxiv miKvwi K‡jR, mvZÿxiv welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ mR„ bkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 DÏxcKwU jÿ Ki Ges mswkøó cÖkœ¸‡jvi DËi `vI : K. M¨v‡mi MwZZ‡Ë¡i mgxKiYwU wjL| 1
B L. avZzi ÿq GKwU ivmvqwbK cÖwµqv e¨vL¨v Ki| 2
Z=1 A M. cÖevnwP‡Îi gva¨‡g C Gi Drcv`b e¨vL¨v Ki| 3
N. DÏxc‡Ki A Ges B Gi g‡a¨ GKwU‡K jvfRbKfv‡e
wimvB‡Kj Kiv hvq, †hŠw³K KviYmn we‡kølY Ki| 4
K. Av‡qv‡WvwgwZ wK? 1 6 wPÎwU jÿ Ki Ges mswkøó cÖkœ¸wji DËi `vI :
L. nv‡Kj wbqgwU e¨vL¨v Ki| 2
M. 25C ZvcgvÎvq Ges 0.95 atm Pv‡c B M¨v‡mi 2.5 10 mL, 0.1 M 200 mL, 0.01 M A+B
gm cwigvY 400 mL AvqZb `Lj K‡i| M¨vmwUi H2SO4 `ªeY H2SO4 `ªeY
AvYweK fi wbY©q Ki| 3 AB C
N. DÏxc‡K D‡jøwLZ A I B M¨v‡mi †KvbwU Av`k© Ae¯’vi K. †iwmwgK wgkÖY Kx? 1
mgxKiY Abmy iY K‡i bv? KviYmn we‡kølY Ki| 4 L. SN1 I SN2 wewµqvi g‡a¨ `yBwU cv_©K¨ wjL| 2
2 X Fe C6H6 AbCv`Hª© A3CllCl3 Y M. DÏxc‡Ki C cv‡Îi `e‡Y KZUzKz H2SO4 `ªexfZ‚
Av‡Q Zv wbY©q Ki| 3
400C
K. BOD Kx? 1 N. DÏxc‡Ki C cv‡Îi `ªeY‡K m¤ú~Y©iƒ‡c cÖkwgZ Ki‡Z 10%
L. SI GK‡K R Gi gvb wbY©q Ki| 2 NaOH `ªe‡Yi wK cwigvY cÖ‡qvRb n‡e Zv wbY©q Ki| 4
M. DÏxcKwUi X †hŠM Ges Bw_‡bi g‡a¨ cv_©K¨mP~ K 7 wPÎwU jÿ Ki Ges mswkøó cÖkœ¸wji DËi `vI :
wewµqv mgxKiYmn wjL| 3
N. DÏxcKwUi Y †hŠ‡Mi cÖ¯‘wZi †KŠkj Av‡jvPbv Ki| 4
3 C3H8O ms‡KZwewkó GKwU †hŠM P| †hŠMwU‡K RvwiZ Ki‡j (i) ECu/Cu2 = 0.34 V
C3H6O ms‡KZwewkó GKwU †hŠM Q ˆZwi nq hv 2,4 DNPH (ii) EAg/Ag2+ = 0.80 V
Gi m‡½ wewµqv K‡i nj`y Aat‡ÿc Drcbœ K‡i Ges †dnwjs (iii) EZn/Zn2+ = + 0.76 V
`ªe‡Yi m‡½ wewµqv K‡i jvj Aat‡ÿc Drcbœ K‡i|
K. Zwor ivmvqwbK Zjz ¨v¼ Kx? 1 CuSO3 `ËeY
L. BF3 A¤øag©x †Kb e¨vL¨v Ki| 2 K. gvK©wbKf bxwZ wK? 1
M. DÏxcKwUi P †hŠ‡Mi `By Kve©bwkó GKwU mg‡MvÎK
cÖ¯‘wZi `wy U c×wZi mgxKiY wjL| 3 L. Fe2+ RviK I weRviK Dfq wn‡m‡e wewµqv K‡i-
N. DÏxc‡Ki Av‡jv‡K Q †hŠMwUi MvVwbK ms‡KZ wbY©q e¨vL¨v Ki| 2
m¤¢e wKbv? h_vh_ mgxKiY cÖ`k©bc~e©K we‡kølY Ki| 4
M. DÏxc‡Ki `ªe‡Y 250 mA we`¨y r 400 min ai Pvjbv
4 wPÎwU jÿ Ki Ges mswkøó cÖkœ¸‡jvi DËi `vI :
Ki‡j K¨v‡_v‡W wK cwigvY Cu Rgv n‡e? 3
25 mL, 0.1 M 15 mL 12 mL N. DÏxc‡Ki `ªeYwU‡K wR¼ I wmjfv‡ii cvÎ؇qi
FeSO4 †KvbwU‡Z msiÿY Kiv †hŠw³K? cÖ`Ë Z‡_¨i
H2C2O4 `ªeY KMnO4 `ªeY
AB C Av‡jv‡K †Zvgvi gZvgZ we‡kølY Ki| 4
K. b¨v‡bv cvwU‡Kj Kx? 1 8
K.
L. R¨vwgwZK mgvYyZvi kZ© wjL| 2 Na Mg
M. DÏxc‡Ki A Ges B cv‡Îi `ªeY‡K wgwkÖZ Ki‡j A ÷Ó• B^vi CH3KI OH(÷AÓlk• )B^vi B
msNwUZ wewµqvwU Avqb-B‡jKUªb c×wZ‡Z C
mgZvKiY Ki| 3 cÖvBgvwi ÷¨vÛvW© c`v_© Kv‡K e‡j? 1
N. DÏxc‡Ki A Ges B cv‡Îi `ªe‡Yi Z_¨ e¨envi K‡i L. Ò†Wwm‡gvjvi `ªeY GKwU cÖgvY `ªeYÓ e¨vL¨v Ki| 2
C cv‡Îi `ªe‡Y †jvnvi cwigvY wbY©q Ki| 4
5 A, B Ges C wZbwU wk‡ívrcv` M. DÏxcKwUi C †hŠ‡M we`¨gvb Kvh©Kix g~j‡Ki
A Gi Kvu Pvgvj : evwj, Na2CO3, CaCO3 mbv³Ki‡Yi GKwU cixÿv mgxKiYmn wjL| 3
B Gi KuvPvgvj : CaO, Al2O3, Pbz vcv_i, †K¬ RvZxq c`v_© BZ¨vw`
C Gi Kvu Pvgvj : KvV, Zjz v, evu k BZ¨vw`| N. DÏxcKwU B Gi Av`ª© we‡køl‡Y cÖvß †hŠM A Gi
mg‡MvÎK wKbv Zv g~j¨vqb Ki| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 53
53 B¯úvnvbx cvewjK ¯‹jz I K‡jR, Kwz gjøv welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 A wk‡íi R¡vjvwb Kqjv K. jeY †mZz Kx? 1
B wk‡íi Drm Na2SiO3, CaSiO3 L. Zwor we‡kølY GKwU wiW· wewµqv e¨vL¨v Ki| 2
C wk‡íi Drm big KvV M. DÏxc‡K Al cv‡Î msNwUZ Aa©‡Kvl wewµqv I †Kvl
K. Zwor c‡Ö jcY Kx? 1 wewµqv wjL| 3
L. Pvgovi U¨vwbs Kiv cÖ‡qvRb †Kb? 2 N. DÏxc‡Ki avZzi cv‡Î FeSO4 `ªeY ivLv hv‡e Kx
M. B Gi wk‡ívrcv`‡bi g~jbxwZ eY©bv Ki| 3 †Zvgvi Dˇii ¯^c‡ÿ hwy ³ `vI| 4
N. evq`y ~l‡Y A I C wk‡íi g‡a¨ †KvbwUi f‚wgKv AwaK? 6 300 C ZvcgvÎvq Zß Kcvi b‡ji wfZi w`‡q A, B, C
wZbwU ˆRe †hŠM‡K Pvjbv Ki‡j h_vµ‡g B_vb¨vj,
we‡kølY Ki| 4
2 †cÖvcv‡bvb I 2-wg_vBj †cÖvwcb G cwiYZ nq|
C K. dz‡qj †mj Kx? 1
PV B
A L. nvB‡Wªv‡Rb Zwo`Øvi‡K gLy ¨ wb‡`©kK Zwo`Øvi ejv
nq †Kb? 2
P M. DÏxc‡Ki B †hŠMwU wMÖMbvW© weKviK †_‡K ˆZwi
K. eM©g~j Mo eM© †eM Kx? 1 Ki| 3
L. A¨v‡gvwbqv GKwU jyBm ÿviK e¨vL¨v Ki| 2 N. A I C Gi cÖvß Drcv`mg~‡ni ms‡hvRb wewµqvi
M. A M¨v‡mi Ae¯’vi mgxKiYwU cÖwZcv`b Ki| 3 cÖK…wZ wfbœ we‡kølY Ki| 4
N. B I C M¨vmmgn~ A M¨v‡mi b¨vq AvPiY K‡i bv †Kb 7
we‡kølY Ki| 4
3 20 mL 0.2 g 35 mL 0.5 M
NaOH HCl
wPÎ-A wPÎ-B
K. Av‡qv‡WvwgwZ Kx? 1
(C GKwU Pvi Kve©bwewkó cÖvšÍxq A¨vjwKb) L. K2Cr2O7 Øviv UvB‡Uªk‡b wb‡`©kK e¨envi Kiv nq bv
†Kb? 2
K. g³y g~jK Kx? 1
L. B_vBb A¤øagx© e¨vL¨v Ki| 2 M. A cv‡Îi `ªe‡Yi NbgvÎv ppm GK‡K wbY©q Ki| 3
M. A †hŠ‡Mi Av‡jvK mwµq mgvYyZv eY©bv Ki| 3 N. A I B cv‡Îi wgkÖ‡Yi cÖK…wZ Kxiƒc n‡e we‡kølY
N. B I C Gi g‡a¨ †Kvb Drcv`wU cÖvavb¨ cv‡e Ki| 4
KviYmn we‡kølY Ki| 4 8
4 + CH3 Cl Abv`ËÆ AlCl3 A + HCl A M¨vm B M¨vm
K. RyBUvi Avqb Kx? 1 0.5 g 25C 0.6 g
L. †Kv¬ ‡ivdig‡K iwOb †evZ‡j msiÿY Kiv nq †Kb? 2 760 mm(Hg) 770 mm(Hg)
M. DÏxc‡Ki wewµqvwUi †KŠkj eYb© v Ki| 3 300 mL 400 mL
N. †ebwRb ej‡q Drcv` A Gi cÖwZ¯’vcKwUi cÖfve K. bvB‡Uªv‡Rb wd‡·kb Kx? 1
we‡kølY Ki| 4 L. CO †K bxie NvZK ejv nq †Kb? 2
5 M. M¨vmØq‡K 2 L AvqZ‡bi kb~ ¨ cv‡Î wgwkÖZ Ki‡j
Al cvò wgkÖ‡Yi †gvU Pvc KZ n‡e wbY©q Ki| 3
MnSO4 `ËeY
N. GKB ZvcgvÎv I Pv‡c A I B M¨v‡mi g‡a¨ †KvbwUi
†`Iqv Av‡Q, EMn/Mn2+ = + 1.18 V Ges EAl/Al3+ = + 1.66 V e¨vcb nvi †ewk Zv MvwYwZKfv‡e we‡kølY Ki| 4
54 †dbx miKvwi K‡jR, †dbx welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi DÏxcKwU jÿ Ki 5 wb‡Pi DÏxcKwU jÿ Ki
25 C 25 C Cl2 X-M¨vm [X-M¨vmwU Pzbvcv_‡ii we‡qvR‡bi
350 mm (Hg) 450 mm (Hg) 10g gva¨‡g cvIqv hvq]
15 C
550 mL 425 mL 20 C
0.450g 0.325g
cvÎ- A cvÎ- B
A -M¨vm B -M¨vm
K. †Kv‡li Zwo”PvjK ej Kv‡K e‡j? 1
K. MøvB‡KvmvBW eÜb Kv‡K e‡j? 1
L. wk‡í ETP e¨envi Kiv nq †Kb? 2
L. Zwor ivmvqwbK †Kv‡l jeY †mZz e¨envi Kiv nq †Kb? 2
M. cvÎ A Gi M¨vmwUi MwZkw³i wbY©q Ki| 3
M. ÷cKK †Lvjv Ae¯’vq 35 C ZvcgvÎvq M¨vm
N. cvÎ B Gi M¨v‡mi ZvcgvÎv KZ cwieZ©b Ki‡j
wgkÖ‡Yi †gvU Pvc wbY©q Ki| 3
DÏxcK M¨vm؇qi RMS †eM mgvb n‡e? MvwYwZK
N. A I B M¨v‡mi g‡a¨ †KvbwU Av`k© M¨vm AvPiY n‡Z
hwy ³mn we‡kølY Ki| 4
†ewk weP¨z wZ †`Lv‡e? we‡kølY Ki| 4
6 wb‡Pi DÏxcKwU jÿ Ki
2 wb‡Pi wPÎwU jÿ Ki wkí Dcv`vb
25 C 25 C EA/A2+ = 0.79 V 1 bs Pvgov, Pzb, Na2Cr2O7, H2SO4
EB2+/B = 0.41 V 2 bs cyivZb RvnvR
EAg+/Ag + 0.80 V
0.2 M 0.15 M K. weqvi j¨v¤^vU© m~ÎwU †jL| 1
ASO4 BSO4
cvÎ-P cvÎ-Q L. NaOH †K cÖvBgvwi ÷¨vÛvW© c`v_© ejv nq bv †Kb? 2
K. †ccUvBW eÜb Kv‡K e‡j? 1 M. 1bs wk‡íi cÖavb Dcv`v‡bi cÖwµqvRvZKiY eY©bv Ki| 3
L. wdbvBj A¨vwgb A‡cÿv wg_vBj A¨vwgb Zxeª ÿviK N. evsjv‡`‡ki †cÖwÿ‡Z 2bs wk‡íi Dcv`vb avZwz Ui
†Kb? e¨vL¨v Ki| 2 wimvBwK¬s Riæwi g~j¨vqb Ki| 4
M. DÏxc‡Ki †KvlwUi emf wbY©q Ki| 3 7 wb‡Pi DÏxcKwU jÿ Ki
N. hw` Q cvÎwU Ag w`‡q ˆZwi nq, Zvn‡j †KvlwU `xN© 22 mL 10 mL A¤øxq
K2Cr2O7
mg‡qi Rb¨ msiÿY Kiv hv‡e Kx? †Zvgvi gZvgZ 0.1M FeSO4
`ªeY
we‡kølY Ki| 4 H2C2O4 `ªeY `ªeY
3 wb‡Pi DÏxcKwU jÿ Ki A -`ªeY B -`ªeY C -`ªeY
C RMgX E ZnCl2 + HCl mv`v Aat‡ÿc K. d¨viv‡Wi cÖ_g mÎ~ wU wjL| 1
H+/H2O (`ªæZ)
A + O3 CCl4 B Zn/H2O L. cÖgvY nvB‡Wªv‡Rb Zwo`Øvi GKwU cÖvBgvwi wb‡`©kK
HCl mv`v Aat‡ÿc
K. A¨vwbwjs Kx? D RMgX F ZnCl2 + (5-10 wgwbU ci) Zwo`Øvi- e¨vL¨v Ki| 2
H+/H2O
M. DÏxc‡Ki B I C `ªe‡Yi wgkÖ‡Y msNwUZ wewµqvwUi
1
Avqb-B‡jKUªb c×wZ‡Z mgZv weavb Ki| 3
L. †Kv‡bv ˆRe †hŠ‡Mi Av‡jvK mwµqZv cÖ`k©‡bi
N. A I B `ªe‡Yi mvnv‡h¨ ‘C’ `ªe‡Y Fe Gi cwigvY
kZ©¸‡jv wjL| 2 wbY©q Kiv hvq Kx? MvwYwZKfv‡e gj~ ¨vqb Ki| 4
M. wewµqvmn A †hv‡Mi MVb e¨vL¨v Ki| 3 8 GKwU we`y¨r Drcv`b †K‡›`ª R¡vjvwb wn‡m‡e 6% mvjdvi h³y
Kqjv e¨envi Kiv nq| KviLvbvwU cÖwZ NÈvq 260 kg Kqjv
N. †K›`ªvKl©x ms‡hvRb wewµqvq C I D Gi g‡a¨ †KvbwU e¨envi K‡i| we`y¨r Drcv`‡b wb¤œiƒc wewµqv N‡U :
AwaK mwµq? h_vh_ KviYmn we‡kølY Ki| 4
4 X cZvZnb Y bvBGUÇkb P Sn+Mvp HCl Q Kqjv + O2 A (g) (ˆiwLK AYy) + B (g);
A(g) + KwjPzb mv`v Aa‡ÿc|
60C K. b¨v‡bv cvwU©K¨vj Kv‡K e‡j?
Y = B_vB‡bi cwjgvi 1
K. cøvw÷wmwU Kv‡K e‡j? 1 L. wMÖMbvW© weKviK n‡Z wg_v‡bvwqK GwmW ˆZwi Kiv
L. wm‡g‡›U wRcmvg †hvM Kiv nq †Kb? 2 hvq bv †Kb? 2
M. DÏxc‡Ki X †hŠM n‡Z R¡i I e¨_vbvkK GKwU Jla M. 25C ZvcgvÎvq KviLvbvwU cÖwZw`b KZ Nb wgUvi B
cÖ¯‘wZ mgxKiYmn wjL| 3 †hŠM Drcbœ Ki‡Q| 3
N. DÏxc‡Ki P Ges Q †hŠ‡Mi g‡a¨ †KvbwU N. A Ges B Dfq †hŠM cwi‡e‡ki Rb¨ ûgwK¯^iƒc
B‡jKUªbvKl©x cÖwZ¯’vcb wewµqvq AwaK mwµq? hwy ³mn we‡kølY Ki| 4
AbyiYbmn we‡kølY Ki| 4
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 55
55 miKvwi wmwU K‡jR, PÆMÖvg welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 CnH2n + 1 COOH + NaHCO3 Na + jeY + H2O + 'A'(g) 5 e we`¨y r Drm
NaOH +
(n = 2) CaO 'B'(g) A¨v‡bvW e
K¨v‡_vW
K. wbDwK¬IdvBj Kv‡K e‡j? 1
L. d‡z qj M¨vm cwi‡ek evÜe †Kb? 2 weMwjZ Zn(NO3)2
M. 25 C ZvcgvÎvq DÏxc‡Ki 'A' M¨vmwUi RMS †eM K. KzwKs wjKv‡ii mshwy ³ wjL| 1
N.
2 wbY©q Ki| 3 L. wd«‡Wj µvdU wewµqvq Abv`ª© AlCl3 e¨envi Kiv nq †Kb?2
M. DÏxc‡Ki Zwor we‡kø‡l¨i wfZi w`‡q hw` 0.5 A we`y¨r 20
'A' M¨vm Ges 'B' M¨v‡mi g‡a¨ †KvbwU‡K mn‡R Zij
Kiv hv‡e? hyw³ w`‡q eY©bv Ki| 4 wgwbU cÖevwnZ nq, K¨v‡_v‡W wK cwigvY avZz Rgv n‡e? 3
N. DÏxc‡Ki †Kv‡l msNwUZ wewµqvmg~n D‡jøL Ki Ges
wewµqv msNU‡b Zwor cÖev‡ni †hŠw³KZv we‡kølY Ki| 4
6
X I Y Gi cvigvYweK msL¨v h_vµ‡g 5 I 7.
K. cig k~b¨ ZvcgvÎvi msÁv `vI| 1 K. cwjgv‡ii cøvw÷wmwU a‡g©i msÁv `vI| 1
L.
L. ev¯eÍ M¨v‡mi Pvc Av`k© M¨v‡mi Pvc A‡cÿv Kg ZvcgvÎv e„wׇZ B‡jKUªbxq cwievnxi Zwor cÖevn
M.
†Kb? 2 N. n«vm cvq †Kb? 2
M. KZ `i~ ‡Z¡ M¨vm `ywU ci¯úi wgwjZ n‡e? 3 7 cixÿvMv‡i 'A' †hŠMwUi kbv³KiY wewµqvmn eY©bv Ki| 3
'B' †hŠMwU HBr Gi mv‡_ wK wK †hŠM Drcbœ K‡i?
N. DÏxc‡Ki †hŠMØq‡K A¤ø I ÿvi wn‡m‡e wPwýZ Kiv
hvq wK? we‡kølY Ki| 4 †hŠMmg‡~ ni wb‡R‡`i g‡a¨ wK ai‡bi m¤úK©
3 we`¨gvb? we‡kølY Ki| 4
KI `ªeY H2SO4
K. †hŠMwUi bvgKiY IUPAC C`uªeSYO4 0.2 M KM`ªenYO4
50 mL Na`2ªeSY2O3
50 mL
c×wZ‡Z Ki 1 cvÎ- A cvÎ- B cvÎ- C
L. wg_vb¨vj weRviY ag© cÖ`kb© K‡i †`LvI| 2 K. jKy vm weKviK Kv‡K e‡j? 1
M. AiweUvj msKi‡Yi Av‡jv‡K 'P' †hŠ‡Mi MVb eY©bv L. KvP wk‡í wKD‡jU e¨envi Kiv nq †Kb? 2
Ki| 3 M. C cv‡Î H2S M¨vm Pvjbv Ki‡j msNwUZ RviY weRviY
N. ˆRe †hŠM 'Q' †_‡K 'R' Drcbœ nIqvi wewµqv †KŠkj wewµqv Aa©wewµqvi mvnv‡h¨ mgZv weavb Ki| 3
eYb© v Ki| 4 N. A cv‡Îi m¤úY~ © `ªeY, B cv‡Îi m¤úY~ © `ªe‡Yi mv‡_
4 `ªeY 1 15 mL 0.02 M H2C2O4 wewµqv Ki‡j `ªe‡Y Cu2 Gi cwigvY wbY©q Ki| 4
`ªeY 2 10 mL 10% NaOH 8 wkí KuvPvgvj
X K¨vj‡Kwiqvm I Avi‡Rwjwmqvm c`v_©
K. †ccUvBW eÜb Kv‡K e‡j? 1 Y Pvgov, Pbz , Na2Cr2O7, H2SO4
K. KvBivj Kve©‡bi msÁv `vI|
L. wMÖMbvW© weKviK ﮋ B_vixq `ªe‡Y ˆZwi Kiv nq 1
†Kb? 2 L. Zwor ivmvqwbK †Kv‡l jeY †mZzi fw‚ gKv e¨vL¨v Ki| 2
M. `ªeY2 Gi NbgvÎv ppm GK‡K wnmve Ki| 3 M. 'X' Drcv`‡bi gj~ bxwZ mgxKiYmn wjL| 3
N. `ªeY1 Øviv `ªeY2 UvB‡Uªk‡bi †ÿ‡Î †jLwPÎ N. cwi‡ek `~l‡Y 'X' I 'Y' wk‡íi g‡a¨ †KvbwUi fw‚ gKv
A¼b I e¨vL¨v K‡i Dch³y wb‡`©kK wbe©vPb Ki| 4
†ewk? we‡kølY Ki| 4
mgq : 2 NÈv 35 wgwbU 56 B¯úvnvbx cvewjK ¯‹jz I K‡jR, PÆMÖvg welq ˆKvW : 1 7 7
c~Y©gvb : 50
imvqb wØZxq cÎ mR„ bkxj cÖkœ
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 60 mL †Wwm‡gvjvi KMnO4 `ªeY Øviv jNy H2SO4 `ªe‡Y 5 C4H8 O3CCl4 hZy †hŠM ZnH2O X + Y + ZnO
wbgw¾Z 1.8 g Aweï× †jvnv‡K cÖkwgZ Kiv n‡jv| [X U‡jb weKvi‡Ki mv‡_ wewµqv Ki‡jI Y K‡i bv]
K. ppm Kx? 1 K. GK d¨viv‡W Kv‡K e‡j? 1
L. †Wwm‡gvjvi `ªeY GKwU cÖgvY `ªeY e¨vL¨v Ki| 2
M. DÏxc‡Ki wewµqvwU Aa©wewµqvmn Avqb-B‡j±ªb L. 30 C ZvcgvÎvq O2 M¨v‡mi RMS †eM e¨vL¨v
c×wZ‡Z mgZv weavb Ki| 3 Ki| 2
N. bgybv †jvnvi weï×Zvi wel‡q MvwYwZK wnmv‡ei M. X †hŠM n‡Z wMMbvW© weKviKmn wKfv‡e A¨vj‡Kvnj
gva¨‡g we‡kølYx e¨vL¨v `vI| 4 cÖ¯‘Z Kiv hvq? mgxKiYmn †jL| 3
2 20 mL 0.15 M H2SO4 15 mL 0.1 M NaOH N. †K›`ªvKl©x hyZ wewµqvq Y A‡cÿv X †hŠM AwaK
cvÎ-A
cvÎ-B mwµq we‡kølYx e¨vL¨v `vI| 4
K. AbyeÜx GwmW Kv‡K e‡j? 1 6 HC CH Fe 450 C X HNO3 H2SO4 Y Sn HCl Z
L. wm‡g›U cÖ¯‘wZ‡Z wRcmvg e¨envi Kiv nq †Kb? 2
K. BwUwc Kv‡K e‡j? 1
M. cvÎ-A Gi `ªe‡Y wK cwigvY cvwb wgkv‡j Zv 0.01 M
L. KvP cÖ¯‘wZ‡Z A¨vwbwjs Kx Zv e¨vL¨v Ki| 2
`ªe‡Y cwiYZ n‡e Zv wnmve Ki| 3
M. Z Ges wg_vBj A¨vwg‡bi g‡a¨ †KvbwU AwaK
N. cvÎ-A I cvÎ-B Gi `ªeY GKmv‡_ wgwkÖZ Ki‡j
wgkÖ‡Yi cÖK…wZ I NbgvÎv wKiƒc n‡e Zvi MvwYwZK ÿviag©x e¨vL¨v Ki| 3
we‡kølY `vI| 4 N. B‡j‡±ªvwdwjK cÖwZ¯’vcb wewµqvi †ÿ‡Î X Ges Y
3 A M¨vm 0.6 g B M¨vm 0.7 g Gi g‡a¨ †KvbwU AwaK mwµq Zv we‡kølY Ki| 4
7 (i) A/A2+, B/B2+
750 mm(Hg) 760 mm(Hg)
400 mL 27 C 350 mL 27 C (ii) Pb, PbO2, H2SO4
(iii) H2, O2, KOH
cvÎ-X cvÎ-Y
K. jKy vm weKviK Kx? K. Kv‡e©vwbqvg Avqb Kv‡K e‡j?
1 1
L. SI c×wZ‡Z †gvjvi M¨vm aæª eK R Gi gvb wbY©q L. †ccUvBW eÜb Kx e¨vL¨v Ki| 2
Ki| 2 M. EA2+/A = 1.66 V I EB2+/B = 0.25 V n‡j (i) bs
Dcv`v‡bi †Kv‡li MVb ms‡KZ †Kvl wewµqv I †Kvl
M. cvÎ-X I cvÎ-Y Gi M¨vmØq wgwkÖZ Ki‡j wgkÖ‡Yi
†gvU Pvc MYbv Ki| 3 wefe mswkø÷ Aa© wewµqvmn †jL| 3
N. GKB ZvcgvÎvq DÏxc‡Ki A I B M¨v‡mi g‡a¨ N. (ii) I (iii) bs Dcv`vb Øviv MwVZ †Kvlmg~‡ni †KvbwU
†KvbwUi e¨vcb nvi †ewk n‡e MvwYwZKfv‡e g~j¨vqb
Ki| 4 AwaK cwi‡ekevÜe Zv we‡kølY Ki| 4
8 (i) A¤ø RvZxq Dcv`vb, ÿvi RvZxq Dcv`vb, CaSO4, 2H2O P;
4 (ii) KvV, euvk Q
(A) [GLv‡b n 4] K. RBy Uvi Avqb Kv‡K e‡j? 1
K. b¨v‡bv KYv Kv‡K e‡j? 1 L. 1, 4 MøvB‡KvmvBW eÜb Kx e¨vL¨v Ki| 2
L. Kcvi Zwo`Ø& v‡ii cÖgvY weRviY wefb + 0.34 V M. (i) bs Dcv`v‡bi KuvPvgvj n‡Z cÖvß wkícY¨ P Gi
ej‡Z Kx eyS? 2 Dcv`vb mgxKiYmn eY©bv Ki| 3
M. E mgvYiy mv‡_ HBr Gi wewµqv mgxKiYmn eY©bv Ki| 3 N. (ii) bs Dcv`v‡bi KuvPvgvj n‡Z cÖvß wkícY¨ Q Gi
Drcv`b Ges Gi wimvBwK¬s Gi g‡a¨ †Kvb cÖwµqvwU
N. A I D nvB‡WªvKve©b؇qi g‡a¨ †KvbwU R¨vwgwZwK
mgvYyZv cÖ`k©‡b mÿg - we‡kølY Ki| 4 AwaK cwi‡ekevÜe Zvi Zzjbvg~jK e¨vL¨v `vI| 4
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 57
mgq : 2 NÈv 35 wgwbU 57 Rvjvjvev` K¨v›Ub‡g›U cvewjK ¯‹jz GÛ K‡jR, wm‡jU welq ˆKvW : 1 7 7
cY~ ©gvb : 50
imvqb wØZxq cÎ mR„ bkxj cÖkœ
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
K. rms †eM Kx? 1
1 L. Ô†gvjvi `ªeY ZvcgvÎvi Ici wbfi© kxjÕ e¨vL¨v
Ki| 2
M. 'D' Ges 'C' †hŠMØq‡K Kxfv‡e kbv³KiY Ki‡e?
K. B‡jK‡UªvdvBj Kx? 1 wewµqvmn †jL| 3
L. †dbj A¤øxq †Kb? e¨vL¨v Ki| 2 N. 'D' Ges 'E' DfqB n¨v‡jvdig wewµqv †`q wKš‘ 'C'
M. 'A' †hŠM †_‡K 'X' Drcv`‡bi wewµqv †KŠkj e¨vL¨v †`q bv †Kb? we‡kølY Ki| 4
Ki| 3 5 Fe2+ + H+ + Cr2O72 Fe3+ + Cr3+ + H2O
K. cÖgvY `ªeY Kx?
N. 'X' I 'Y' Gi g‡a¨ †KvbwU‡K bvB‡Uªkb Ki‡j AwaK 1
ZvcgvÎvi cÖ‡qvRb n‡e? we‡kølY Ki| 4 L. AlCl3 jyBm A¤ø †Kb? 2
M. DÏxc‡Ki wiW· wewµqv Avqb-B‡jKUªb c×wZ‡Z
2 A mgZv Ki| 3
B
Z
( )PV
Z = RT N. 4 g Avqi‡bi UKz iv‡K 250 ml H2SO4 GwmW `ªe‡Y
`ªexf‚Z K‡i GB `ªeY‡K 0.05 M 20 mL K2Cr2O7
P `ªeY Øviv UvB‡Uªkb K‡i Avqi‡bi Aweï×Zv wK
K. b¨v‡bv KYv Kx? 1 wbY©q Kiv hv‡e? we‡kølY Ki| 4
L. wdDivb GKwU A¨v‡iv‡gwUK †hŠM †Kb? 2 6 X/X2+ + (0.15 M) 7 Y2+ (0.2 M)/Y
M. Av`k© AvPiY †_‡K 'A' I 'B' M¨v‡mi wePz¨wZi KviY E0y2+/y = + 0.8 , E0 x2+/x = 0.14 , T = 25 C 1
K. ETP Kx?
e¨vL¨v Ki| 3 L. wm‡g›U wk‡í wRcmvg e¨enZ„ nq †Kb? 2
N. 'A' I 'B' M¨vm †Kvb k‡Z© Av`k© M¨v‡mi b¨vq AvPiY M. DÏxc‡Ki †KvlwUi wefe wbY©q Ki| 3
Ki‡e? we‡kølY Ki| 4 N. DÏxc‡Ki †KvlwUi ivmvqwbK kw³ Kxfv‡e we`¨y r
0.9044 g 0.4928 g kw³‡Z iƒcvšÍwiZ nq? we‡kølY Ki| 4
3 101.8 kPa 80.1 kPa 7 [O] Zn.Hg
A HCHO B + H2O
0.8 L 0.48 L HCl(Conc)
30 C 30 C
A-M¨vm B-M¨vm K. GbvbwmIgvi Kx? 1
K. Abey Üx A¤ø Kx? 1 L. Ôwg_vBj A¨vwgb A¨vwbwj‡bi †P‡q AwaK ÿvixqÕ
L. Zwor we‡kølY msµvšÍ d¨viv‡Wi 1g mÎ~ wU e¨vL¨v e¨vL¨v Ki| 2
Ki| 2 M. DÏxc‡Ki 'B' n‡Z GKwU ¸iæZ¡c~Y© mvi Drcv`‡bi
M. 'A' hw` bvB‡Uªv‡Rb M¨vm Ges 'B' Kve©b WvB A·vBW g~jbxwZ †jL| 3
M¨vm nq Z‡e 'A' I 'B' M¨v‡mi MwZkw³ wbY©q Ki| 3 N. DÏxc‡Ki 'A' wmjfvi `c©Y cixÿv wK †`Lv‡Z cv‡i?
we‡kølY Ki| 4
N. 'A' I 'B' M¨v‡mi g‡a¨ †KvbwUi e¨vcb nvi †ewk 8 X wjLv ev gy`ª‡Yi Kv‡R e¨enZ„ nq|
n‡e? we‡kølY Ki| 4 Y wewìs ˆZwi‡Z e¨en„Z nq|
K. COD Kx? 1
4 L. Kv‡P A¨vwbwjs Kiv nq †Kb? 2
M. 'X' Gi Drcv`b cÖwµqv eYb© v Ki| 3
N. ÔY ˆZwii mgq wbM©Z `~lKmgn~ gvbeRxe‡bi Rb¨
[A I B DfqB G‡K Ac‡ii AvB‡mvgvi|] ûgwK¯^iƒcÕ we‡kølY Ki| 4
58 gyivwiPuv` K‡jR, wm‡jU welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 5
2% CH3COOH 0.5 M
NaOH 60 mL
50 mL NH4OH
50 mL
AB C
M¨vm-A M¨vm-B K. †gvj fMœvsk Kv‡K e‡j? 1
K. mwÜ Pvc Kv‡K e‡j? 1 L. Na2S2O3 I K2Cr2O7 Gi g‡a¨ †KvbwU †m‡KÛvwi
L. He wK Av`k© M¨vm? e¨vL¨v Ki| 2 ÷¨vÛvW© c`v_© e¨vL¨v Ki| 2
M. DÏxc‡Ki A M¨vmwUi MwZkw³ wbY©q Ki| 3 M. B cv‡Îi `ªeY‡K cÖkwgZ Ki‡Z A cv‡Îi m¤úY~ © `ªeY cÖ‡qvRb
n‡j B cv‡Îi `ªe‡Yi NbgvÎv †gvjvwiwU‡Z wbY©q Ki| 3
N. B M¨v‡mi rms †eM A M¨v‡mi rms †e‡Mi mgvb n‡Z
N. B cv‡Îi `ªe‡Y c„_Kfv‡e A cv‡Îi `ªe‡Yi A‡a©K
n‡j B M¨v‡mi ZvcgvÎvi wKiƒc cwieZ©b Ki‡Z n‡e Ges C cv‡Îi `ªe‡Yi A‡aK© †hvM Ki‡j Drcbœ
MvwYwZKfv‡e we‡kølY Ki| 4
2 CH3CH2CHBrCH3 KOH(alc) A B wgkÖY؇qi cÖK…wZ GK bq we‡kølY Ki| 4
80% 20% 6 CH3OH + [O] K2Cr2O7 A + H2O
H2SO4
A 1. O3 X
A [O] B
2. Zn H2O
K. Bjv‡÷vgvi Kv‡K e‡j? 1 K. MøvB‡KvmvBW eÜb Kv‡K e‡j? 1
L. c¨vivwmUvgj cÖ¯‘wZ wewµqvmn wjL| 2 L. MvVwbK ms‡KZ wjL : (i) bvBjb- 6,6 (ii)
M. X †hŠ‡Mi kbv³Kvix cixÿv mgxKiYmn eY©bv Ki| 3 †cÖv‡cb¨vgvBW 2
N. A I B †hŠ‡Mi g‡a¨ GKwU R¨vwgwZK mgvYyZv cÖ`k©b M. B †hŠMwU GwmW Ges weRviK Dfqiƒ‡c wµqv K‡i
Ki‡jI Ab¨wU K‡i bv e¨vL¨v Ki| 4 wewµqvmn e¨vL¨v Ki| 3
3 0.1 M A¤xø q N. A †hŠ‡Mi 40% Rjxq `ªe‡Yi Ace¨envi gvbe
RvwZi Rb¨ †hgb ûgwK, †Zgwb Gi weÁvbm¤§Z
KMnO4 C2H2O4 FeSO4
25 mL 30 mL 50 mL e¨envi gvbe Rxe‡b A‡bK ¸iæZ¡ enb K‡i
I II III we‡kølY Ki| 4
Fe I Mn Gi AvYweK fi h_vµ‡g 56 I 55| 7 A GKwU D‡jøL‡hvM¨ wkí `ªe¨| D³ wk‡íi cÖavb `l~ Kmgn~
K. evdvi `ªeY Kv‡K e‡j? 1 n‡jv SO2, COx, NOx, Hg, SiO2 I CaCO3 KYv BZ¨vw`|
L. 0.2 M `ªeY cÖgvY `ªeY wKbv e¨vL¨v Ki| 2 K. I‡qU e–ø Kv‡K e‡j? 1
M. DÏxc‡Ki I I II bs cv‡Îi wewµqK `ywUi g‡a¨ msMwVZ L. KqjvwfwËK we`¨y r Drcv`b AwaK myweavRbK
wewµqvwU Avqb B‡jKUªb c×wZ‡Z mgZv Ki| 3 e¨vL¨v Ki| 2
N. DÏxc‡Ki I I II bs cv‡Îi `ªeY e¨envi K‡i III bs M. A wkí `ªe¨wU Drcv`‡bi gj~ bxwZ wewµqvmn eY©bv Ki| 3
N. DÏxc‡K DwjøwLZ `l~ Kmg~n we‡kl cÖwµqvq wbqš¿Y
cv‡Îi `ªe‡Yi Fe Gi cwigvY wbY©q Kiv hvq
Kiv hvq we‡kølY Ki| 4
MvwYwZKfv‡e we‡kølY Ki| 4
8 i. HA H2O HoooooI H2O A
4 A B
D avZz wbwg©Z D avZz wbwg©Z ii. eÅvUvwi
cvÎ cvÎ wbgvÆ Y
0.5 M A2+ 0.2 M B2 KviLvbv
EA2+/A = 0.27 V EB2+/B = 0.43 V K. bvB‡Uªv‡Rb wd‡·kb Kv‡K e‡j? 1
ED2+/D = 0.40 V
K. b¨v‡bv KYv Kv‡K e‡j? L. GK Møvm †Nvjv cvwb‡Z Aí Lv`¨ jeY †hvM Ki‡j Kx
1 NU‡e e¨vL¨v Ki| 2
L. KvP ˆZwi‡Z A¨vwbwjs ¸iæZ¡c~Y© e¨vL¨v Ki| 2 M. DÏxc‡Ki wewµqvwU n‡Z AbyeÜx A¤-ø ÿviK hMy j
M. DÏxc‡Ki Aa©‡Kvl `wy U Øviv m„ó †Kv‡li Zwo”PvjK e¨vL¨v Ki| 3
ej wnmve Ki| 3 N. DÏxc‡Ki wkímgn~ n‡Z wbM©Z K‡qKwU Dcv`vb
N. Aa©‡Kvl `ywUi ¯’vwqZ¡ m¤ú‡K© †Zvgvi gZvgZ we‡kølY Avgv‡`i Lv`¨ k•„ L‡j gvivZ¥K ÿwZKi cÖfve †d‡j
Ki| 4 we‡kølY Ki| 4
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 59
59 Ag„Z jvj †` gnvwe`¨vjq, ewikvj welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
w«¼ÞviKxq AÁÏ ‰K AÁÏxq Þvi Na2CO3 `ËeY P = `yB Kve©bwewkó A¤øxq A¨vjKvBb|
1 0.2 M 0.3 M 1.575% K. `~lK Kx? 1
200 mL 300 mL 50 mL
L. b¨v‡bv KYvi ag© g~j c`v‡_©i ag© A‡cÿv wfbœ nq
AB C †Kb? 2
K. †ccUvBW eÜb Kx? 1 M. A †hŠM †_‡K GKwU e¨_vbvkK Jla cÖ¯‘wZ
L. wjw_qvg Avqb e¨vUvwi †jW †÷v‡iR e¨vUvwii Zjz bvq mgxKiYmn †jL| 3
mwy eavRbK †Kb? 2 N. ÒbvB‡Uªkb cÖwµqvq A †hŠMwU A‡_©v I c¨viv Drcv`
M. C cv‡Îi NbgvÎv ppb GK‡K wbY©q Ki| 3 Ki‡jI B †hŠMwU ïagy vÎ †gUv Drcv` Drcbœ K‡iÓ
N. A I B cv‡Îi wgwkÖZ `ªe‡Yi cÖKw… Z wKiƒc n‡e wewµqvi mvnv‡h¨ e³e¨wU we‡kølY Ki| 4
MvwYwZKfv‡e we‡kølY Ki| 4 6 100 cm
2 X + O3 CCl4 I‡RvbvBW †hŠM Y + Z + ZnO HE HE + GH3 white fume GH3
H2O Zn
X = 5 Kve©bwewkó A¨vjwKb E I G Gi cvigvYweK msL¨v h_vµ‡g 17 I 7
Z = U‡jb weKvi‡Ki mv‡_ wewµqv K‡i bv K. †iwmwgK wgkÖY Kx? 1
K. d‡z qj †mj Kx? 1 L. FeCl3 †K jBy m A¤ø ejv nq †Kb? 2
L. Cr2O72 GKwU RviK e¨vL¨v Ki| 2 M. HE cÖvß n‡Z KZ `i~ ‡Z¡ mv`v †avu qv ˆZwi n‡e wbY©q
M. Y †hŠMwU †_‡K wKfv‡e B_vbwqj †Kv¬ ivBW Drcbœ Ki| 3
Ki‡e? mgxKiYmn †jL| 3 N. KvPb‡ji Af¨šÍ‡i msNwUZ wewµqvi Av‡jv‡K
N. †K›`ªvKl©x hyZ wewµqvq Y I Z Gi g‡a¨ †KvbwU Abey Üx A¤ø I AbyeÜx ÿviK e¨vL¨v Kiv m¤¢e wKbv
AwaK mwµq? we‡kølY Ki| 4 we‡kølY Ki| 4
3 X wk‡íi R¡vjvwb Kqjv 7 5.0 g meRy wfwUªqj
(Aweï×)
Y wk‡íi Drm cÖvKw… ZK M¨vm, Pzbvcv_i 150 mL
Z wk‡íi Drm gvwU I Pzbvcv_i H2SO4 `ªeY KMnO4 K2Cr2O7
0.05 M 0.025 M
K. jyKvm weKviK Kx? 1 A BC
2
L. B_vb¨vj K¨vwbRv‡iv wewµqv †`q bv †Kb? 3 K. †WU‡ji MvVwbK ms‡KZ †jL| 1
4 L.
M. Y Gi wk‡ívrcv`‡bi gj~ bxwZ †jL| M. Kv‡P A¨vwbwjs Kiv nq †Kb? 2
N.
N. cwi‡ek `~l‡Y X I Z wk‡íi f‚wgKv we‡kølY Ki| A I B cv‡Îi `ªeY؇qi g‡a¨ msNwUZ ivmvqwbK
8 wewµqvwU Avqb-B‡jKUªb c×wZ‡Z mgZvweavb Ki| 3
4 28 C
28 C K. 25 mL cwigvY A cv‡Îi `ªeY‡K m¤ú~Y©iƒ‡c RvwiZ
325 mm(Hg) 475 mm(Hg) L. Ki‡Z C cv‡Îi `ªe‡Yi 14.5 mL cÖ‡qvRb nq| G
575 mL M. cÖwµqvi gva¨‡g A cv‡Î `ªexf‚Z †hŠMwUi weï×Zv
0.351 g 450 mL N.
0.225 g
1 bs cvò 2 bs cvò wbY©q Kiv m¤¢e wKbv we‡kølY Ki| 4
K. weqvi m~ÎwU weeZ„ Ki| 1
L. CH3 gj~ K A‡_©v I c¨viv wb‡`©kK e¨vL¨v Ki| 2 G E0Mn/Mn2+ = + 1.18 V
M. 2bs cv‡Îi M¨vmwU‡Z AYyi msL¨vi wbY©q Ki| 3 KNO3 `ªeY E0Al/Al3+ = + 1.66 V
N. ÷cKK †Lvjv Ae¯’vq 37 C ZvcgvÎvq M¨vm wgkÖ‡Yi E0Ni/Ni2+ = + 0.22 V
Al `Ê
†gvU Pvc DÏxc‡Ki ZvcgvÎvq wgkÖ‡Yi †gvU Pvc Mn `Ê
0.1 M 0.015 M
Al(`NªeOY3)3 Mn`(NªeYO3)2BSO4
A‡cÿv wfbœ nq Dw³wU MvwYwZKfv‡e we‡kølY Ki| 4 wK¬sKvi Kx? 1
†cvU©j¨vÛ wm‡g›U‡K nvB‡WªvwjK wm‡g›U ejv nq †Kb? 2
5 DÏxc‡Ki †KvlwUi Zwo”PvjK ej wbY©q Ki| 3
DÏxc‡Ki K¨v‡_v‡Wi `ªeYwU‡K wb‡Kj wbwg©Z cv‡Î
`xN©w`b msiÿY Kiv m¤¢e wKbv MvwYwZKfv‡e
we‡kølY Ki| 4
60 ewikvj miKvwi gwnjv K‡jR, ewikvj welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó cÖkœ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 NaOH (aq) 5
350C, 150 atm S Mohr's Mvp KMnO4
+ HCl Salt 0.01 M
3P Fe Q Cl2 R 3.27g H2SO4
400 C FeCl3 NH3,Cu2O T 20 mL C
250 mL
200C, High perssure B 1
A
P = `yB Kve©bwewkó A¤øxq nvB‡WªvKve©b|
K. d¨viv‡W Kx?
K. BOD5 Kx? 1 L. Dw™¾¢ U¨vwbs ej‡Z Kx eSy ? 2
L. jyBm GwmW I jyBm ÿvi ej‡Z Kx eSy ?
2 M. DÏxc‡Ki A + B + C wewµqvwUi mgZvKZ…
M. T †hŠM ÿvixq n‡jI S †hŠM A¤øxq e¨vL¨v Ki| 3 mgxKiYwU wbY©q Ki| (RviY-weRviY c×wZ‡Z) 3
N. bvB‡Uªkb wewµqvq S †hŠM A‡_©v I c¨viv Drcv` N. cÖwZ 10 mL (A + B) Gi wewµqvi Rb¨ 5 mL C
MVb Ki‡jI T †hŠM ïay †gUv †hŠM Drcbœ K‡i– cÖ‡qvRb n‡jv| A `ªe‡Y Avqi‡bi cwigvYMZ
e¨vL¨v Ki| 4 we‡kølY Ki| 4
2 (i) (CH3)3 CX + jNy ÿvi (aq) 'A' 6
(ii) CH2CH3X + Zxeª ÿvi (aq) 'B'
CD
K. UvB‡Uªkb Kv‡K e‡j? 1 g~jwe›`y †_‡K A I B Gi
`~iZ¡ ci¯úi mgvb|
L. cÖvBgvwi I †m‡KÛvwi ÷¨vÛvW© c`v_© ej‡Z Kx eSy ? 2 A Vo = 20mL V = QmL
0C B 1
M. 'A' I 'B' †hŠ‡Mi cv_©K¨mP~ K cixÿv wewµqvmn wjL|3
K. Kwz Ks wjKvi Kx?
N. DÏxc‡Ki wewµq‡Ki wµqv-†KŠkj Awfbœ wKbv
L. A¨vwbwjb‡K bvB‡Uªkb Ki‡j †gUv Drcv` cvIqv hvq
we‡kølY Ki| 4
†Kb? 2
3 mgvYy
K. C4H8 mgvYy 'A' i, O3 'X' + 'Y' M. Q Gi gvb wbY©q Ki| 3
b¨v‡bv cvwU©‡Kj Kx? ii Zn/H2O
N. †jLwP‡Î †mjwmqvm ZvcgvÎvi cwie‡Z© cig
'B' i, O3 'M'
ii Zn/H2O ZvcgvÎv emv‡j †jLwP‡Îi cÖK…wZ Kxiƒc n‡e?
1 †Zvgvi gZvgZ we‡kølY Ki| 4
L. Zwor we‡kølY GKwU wiW· wewµqv– e¨vL¨v Ki| 2 7 Pb, PbSO4 H2SO4 (aq) PbO2(s), Pb
†jW †÷v‡iR wiPv‡R©ej e¨vUvixi †Kvl ms‡KZ †`qv n‡jv|
M. †K›`ªvKlx© hZy wewµqvq 'X' A‡cÿv 'M' Kg mwµq
K. RyBUvi Avqb Kx? 1
†KbmgxKiYmn e¨vL¨v Ki| 3
L. Fe3+ GKwU RviK c`v_© e¨vL¨v Ki| 2
N. 'X' I 'Y' Gi R¨vwgwZK mgvYZy v cÖ`k©‡bi m¤¢ve¨Zv
M. DÏxc‡Ki †KvlwUi †Kvl wewµqv mgxKiYmn D‡jøL Ki| 3
we‡kølY Ki| 4
N. DÏxc‡Ki †Kv‡li wiPvR© cÖwµqv mgxKiYmn eYb© v
4
A wk‡íi B wk‡íi K‡i, †Kv‡li be avivi mP~ bvi gZvgZ `vI| 4
`~lKmgn~ `~lKmgn~ 8 10mL 20mL 30mL 40mL
Cr4+, Cr3+, SO2, NO2, 0.1M 0.2M 0.3M 0.4M
Ca2+, S2-, Hg,SiO2,
GK ÿviKxq wØ-ÿviKxq wÎ-ÿviKxq wØ A¤øxq
H2SO4 CaCO3 ¸ou v
A¤ø A¤ø A¤ø ÿvi
K. wMÖMbvW© weKviK Kx? 1 AB CD
L. wg_vBj A¨vwgb I A¨vwbwjb Gi g‡a¨ †KvbwU AwaK A, B, C I D mK‡jB Zxeª|
K. M¨vm †µvgv‡UvMÖvdx Kv‡K e‡j? 1
ÿvixqe¨vL¨v Ki| 2 L. Kv‡P A¨vwbwjs Kiv nq †Kb? 2
M. 'A' Gi wk‡ívrcv`‡bi g~jbxwZi mgxKiYmn eY©bv M. A.B I C cv‡Îi wgwjZ `ªe‡Yi pH KZ? 3
Ki| 3 N. A, B I C cv‡Îi wgwjZ `ªe‡Yi mv‡_ D `ªe‡Yi
N. DÏxc‡K ewY©Z wk‡íi `~lK cÖwZ‡iv‡a KiYxq Kx? UvB‡Uªk‡b Dch³y wb‡`©kK Kx? †Zvgvi gZvgZ
hwy ³mn we‡kølY Ki| 4 we‡kølY Ki| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 61
61 K¨v›Ub‡g›U cvewjK ¯‹jz I K‡jR, iscyi welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 5
H2 CO2
10 g 10 g
20 C 20 C
1bs cvÎ 2bs cvÎ
K. jKy vm weKvi‡Ki msÁv wjL| 1 GLv‡b, X-cÖZxKx †gŠj|
K. RByu Uvi Avqb Kv‡K e‡j?
L. wk‡í ETP e¨envi Kiv nq †Kb? 2 1
M. 2bs cv‡Îi M¨vmwUi Mo MwZkw³ wbY©q Ki| 3 L. wb‡`©kKmg~n 2 pH cwim‡i eY-© cwieZ©b K‡i
N. DÏxc‡Ki 1bs I 2bs cv‡Îi M¨vm ZijxKi‡Y Rjy - e¨vL¨v Ki| 2
_gmb cfÖ ve we‡kølY Ki| 4 M. X-†gŠjwU gvbe‡`‡n Kxfv‡e welwµqv mw„ ó K‡i
2 †divm mvj‡dU `ªe‡Y 250 A we`¨y r 20 min a‡i Pvjbv Kiv e¨vL¨v Ki| 3
n‡jv N. DÏxc‡Ki X-†gŠjwU evsjv‡`‡ki Dci gvivZ¥K
[Fe, Fe2+ = + 44 V, Zn2+, Zn = .76 V] SzuwKm¤úbœ we‡kølY Ki| 4
K. Zwo`Øv‡ii msÁv `vI| 1 6 B_vbj Cu X [O]
Y
300 C (gƒj ŠRe Drcv`) K2Cr2O7 + H2SO4
L. Zwor we‡køl¨ †Kvl I Zwor ivmvqwbK †Kv‡li gv‡S
2wU cv_©K¨ wjL| 2 K. `k©K Avqb Kx? 1
M. K¨v‡_v‡W RgvKZ… avZiz cwigvY wbY©q Ki| 3 L. 3 A¨vwgb A‡cÿv 2 A¨vwgb AwaK ÿviagx© †Kb? 2
N. DÏxc‡Ki `ªeY `¯Ív wbwg©Z cv‡Î `xN©w`b msiÿ‡Yi M. Y †hŠMwU wKiƒ‡c wMÖMbvW© weKviK †_‡K ˆZwi Kiv
e¨vcv‡i †Zvgvi gZvgZ e¨vL¨v Ki| 4 hvq? e¨vL¨v Ki| 3
3 N. X †hŠMwU †K›`ªvKlx© ms‡hvRb wewµqvq AskMÖnY
Na2CO3 NH4OH HCl Ki‡jI Y K‡i bv Dw³wUi mZ¨Zv we‡kølY Ki| 4
3.762 g 0.25 mL 0.1 M 7
500 mL 300 mL
XYZ
K. cigk~b¨ ZvcgvÎv Kv‡K e‡j? 1
L.
M. wm‡g‡›U wRcmvg †gkv‡bv nq †Kb? 2
N.
Y cv‡Îi `ªe‡Yi NbgvÎv ppm GK‡K wbY©q Ki| 3 K. End Point Gi msÁv `vI| 1
4 L.
X cv‡Îi `ªe‡Yi 20 mL †K UvB‡Uªkb Ki‡Z Z Abv`ª© Na2CO3 `ªe‡Yi NbgvÎv `xNw© `b AcwiewZ©Z
M.
cv‡Îi `ªe‡Yi 19.24 mL cÖ‡qvRb n‡j Na2CO3 G N. _v‡K e¨vL¨v Ki| 2
†fRvj Av‡Q wK-bv Zv MvwYwZKfv‡e we‡kølY Ki| 4
8 bgybv‡Z weï× †jvnvi cwigvY †ei Ki| 3
RviK wnmv‡e KMnO4 bvwK K2Cr2O7 `ªeY e¨envi
AwaK myweav we‡kølY Ki| 4
K. †n·vwg‡bi ms‡KZ wjL| 1 K. †iwmwgK wgkÖY Kv‡K e‡j? 1
L. RviY-weRviY GKB mv‡_ N‡U e¨vL¨v Ki| 2 L. wdDivb GKwU A¨v‡iv‡gwUK †hŠM †Kb? e¨vL¨v Ki| 2
M. DÏxcK Y †_‡K M¨vgvw·b cÖ¯‘Z Ki| 3 M. DÏxc‡Ki cÖevn wPÎ Abyhvqx A Drcv`‡bi g~jbxwZ
e¨vL¨v Ki| 3
N. DÏxc‡K wd«‡Wj-µvdU wewµqvq X I Y Gi g‡a¨ N. DÏxc‡Ki KwZcq av‡c †hme evqy `l~ ‡Ki DrcwË
†KvbwU AwaK mwµq? we‡kølY Ki| 4 N‡U Zv we‡kølY Ki| 4
62 KvigvB‡Kj K‡jR, isciy welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ mR„ bkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi DÏxcKwU jÿ Ki M. DÏxc‡Ki M †hŠM †_‡K GKwU e¨_vbvkK cÖ¯‘wZ
2.5g Mg AvKwiK wewµqv mn eY©bv Ki| 3
N. DÏxcKwU‡Z M I N †K ci¯ú‡ii mv‡_ iæcvšÍi
H2SO4 Na2CO3 m¤¢eDw³wU we‡kølY Ki| 4
500 mL 100 mL
0.15 M 0.245 M 5 wb‡Pi DÏxcKwU jÿ Ki
X Y
K. GbvbwkIgvi Kx? 1
L. wjw_qvg Avqb e¨vUvwii wiPvR© wewµqvwU wjL| 2
M. DÏxc‡Ki X I Y cv‡Îi `ªeY `ywUi UvB‡Uªk‡bi
†ÿ‡Î Dchy³ wb‡`©kK wbe©vPb c×wZ Av‡jvPbv Ki| 3
N. DÏxcwU‡Z cÖ`Ë AvKwiK bgybv n‡Z avZz wb®‹vkb K. GKK cÖwµqv Kx? 1
jvfRbK bq-Dw³wU MvwYwZKfv‡e we‡kølY Ki| 4 L. wm‡g›U RgvU evavi KviY Kx e¨vL¨v Ki| 2
2 imvqb j¨v‡ei M‡elK evRvi †_‡K ACI †Kv¤úvwb mvZwU 500 mg M. DÏxc‡Ki L I P Gi cv¯úwiK iæcvšÍi wjL| 3
Avqib U¨ve‡jU wK‡b jNy H2SO4 Gwm‡W `ªexf‚Z K‡i 500 mL N. DÏxc‡Ki Z †hŠMwU GKB mv‡_ `wy U Kvh©Kix gj~ ‡Ki
`ªeY ˆZwi Kij| D³ `ªe‡Yi 250 mL wb‡q †mwU‡K Abygvcb Kivi
ˆewkó¨ cÖ`k©b K‡i Dw³wU wewµqvmn we‡kølY Ki| 4
Rb¨ 50 mL 0.1 M KMnO4 `ªeY e¨envi Kij|
K. UªvÝwg‡UÝ Kx? 1 6 wb‡Pi DÏxcKwU jÿ Ki
L. G·wU¼kb ¸Yv¼ ej‡Z wK eSy ? 2
M. DÏxc‡Ki wewµqvwU‡Z H2SO4 Gwm‡Wi cwie‡Z© HCl
e¨envi K‡i Avqb B‡jKUªb c×wZ‡Z mgZv Ki| 3
N. DÏxc‡K D‡jøwLZ †Kv¤úbxwUi U¨ve‡jUwUi ¸YMZgvb
fv‡jv Dw³wU MvwYwZKfv‡e we‡kølY Ki| 4
3 wb‡Pi DÏxcKwU jÿ Ki|
K. gy³gj~ K Kx? 1
3.7A L. †iwmwgK wgkÖY Av‡jvK mwµq Kx? e¨vL¨v Ki| 2
+
M. DÏxc‡Ki C cv‡Î M¨v‡mi cwiewZ©Z †gvU Pvc wnmve Ki| 3
N. DÏxcKwUi C cv‡Î †Kvb M¨vm Av‡M †cŠu Qv‡e?
MvwYwZKfv‡e we‡kølY Ki| 4
Au3+ SO42 Fe 7 wb‡Pi wPÎwU jÿ Ki 27C
100 mL 0.1 M 25.5 dm3
E(Fe Fe2+) = 0.44 V A
†mvbvi NbZ¡ 8.903g/cm3 E(Ni/Ni2+) = 0.25 V B 91.25 kPa
1.0
PV
K. L J P Kx? 1
L. i‡³ Møy‡Kv‡Ri cwigvY 0.1 M NbgvÎv ppm GK‡K KZ n‡e? 2 P
M. wP‡Îi K¨v‡_v‡Wi Dci 1050 cm2 có„ Z‡ji 0.0895 K. PAN Kx? 1
mm ciy æ‡Z¡i †mvbvi cÖ‡jc w`‡Z KZ mgq a‡i L. wg_vbj I B_vb¨vj ci¯úi mg‡MvÎK bq †Kb? 2
we`¨y r Pvjbv Ki‡Z n‡e? 3 M. DÏxc‡Ki 1 mol A M¨v‡mi Av`k© AvPiY †_‡K
N. DÏxc‡Ki †KvlwU‡K M¨vjfvwbK †Kvl we‡ePbv K‡i wePz¨wZi gvÎv wnmve Ki| 3
Zworwe‡køl¨ cwieZ©b K‡i wb‡Kj mvj‡dU `ªeY e¨envi N. DÏxcKwU ev¯Íe M¨vm `ywUi Av`k© AvPiY †_‡K
K‡i Avqib Gi cvZwU ivLv mgxPxb n‡e Kx? hwy ³ `vI| 4 wePz¨wZi KviY we‡kølY Ki| 4
4 wb‡Pi DÏxcKwU jÿ Ki 8 wb‡Pi wewµqv `ywU jÿ Ki
i. CO2 + NH3 HoooooooooI NH4COONH2 1
ii. NH4COONH2 HoooooooooI X + H2O
K. digvwjb Kx?
L. wMÖMbvW© weKviK cÖ¯‘wZ‡Z cvwb e¨env‡i Amyweav wjL| 2
K. mxwgZ wewµqK Kx? 1 M. DÏxc‡Ki X †hŠMwUi Drcv`b cÖYvwj eY©bv Ki| 3
L. cvwbi A¯’vqx LiZv wKfv‡e `~i Kiv hvq? 2 N. DÏxc‡Ki X †hŠMwU Drcv`‡b cÖvß DcRvZ¸‡jv
cwi‡ekMZ mgm¨vi Rb¨ `vqx DËiwUi ¯^c‡ÿ hwy ³ `vI| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 63
63 knx` ˆmq` bRiæj Bmjvg K‡jR, gqgbwmsn welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi Z_¨¸‡jv jÿ¨ Ki Ges cÖkœ¸‡jvi DËi `vI : 5 wb‡Pi Z_¨¸‡jv jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
(i) X + Na Y + H2 X n‡jv `yB Kve©‡bi nvB‡WªvKve©b| (i) V
jeY †mZz
(ii) C NH3 NaOH HCl KCl
A B
Cu2O 200C 350 400 C 150 200 atm
K. GbvbwmIgvi Kx? 1 MgSO4 AgNO3
0.35 M 1.5 103 M
L. wd«‡Wj µvdU wewµqv wK e¨vL¨v Ki| 2
M. X †hŠ‡Mi GKwU ¸iæZ¡c~Y© cwjgv‡ii cÖ¯‘wZ wjL| 3 EMg2+/Mg = 2.37 V
N. B I C †hŠ‡Mi cÖKw… Z we‡kølY Ki| 4
2 wb‡Pi Z_¨¸‡jv jÿ¨ Ki Ges cÖkœ¸‡jvi DËi `vI : EAg2+/Ag = 0.80 V
(ii) Fe + H2O (÷xg) Fe3O4 + A2
(i) R CONH2 + Br2 + KOH P +KBr + K2CO3 + H2O 1
P + X R Q + HX KClO3 KCl + B2
K. d¨viv‡Wi mÎ~ wU wee„Z Ki|
(ii) N Zn PCl5 M L. Zwor we‡kølY GKwU RviY-weRviY cÖwµqv e¨vL¨v Ki| 2
400
M. A2 I B2 M¨vm Øvi †Kvl MVb K‡i Zwor Drcv`‡bi
K. †ccUvBW eÜb Kx? 1 †KŠkj e¨vL¨v Ki| 3
L. Kve©b Kve©b wØeÜb‡K wKfv‡e kbv³ Ki‡e? 2 N. DÏxcK (i) bs †Kv‡li A¨v‡bvW `ªe‡Yi NbgvÎv wظY n‡j
M. P I Q †hŠM؇qi ÿviKZ¡ e¨vL¨v Ki| 3 Zwo”PvjK e‡j wK ai‡bi cwieZ©b NU‡e we‡kølY Ki| 4
N. M I N Gi ˆewkó¨c~Y© wewµqv †KvbwU mn‡RB w`‡e 6 wb‡Pi Z_¨¸‡jv jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
hyw³mn e¨vL¨v Ki| 4 Dfq M¨vm GKB
1.54 g A(g) 25 C k‡Z© Av‡Q 4.05 g 20C CO2
3 wb‡Pi Z_¨¸‡jv jÿ¨ Ki Ges cÖkœ¸‡jvi DËi `vI :
(i) (ii)
K. AvB‡mv_vg© Kx? 1
L. Pvj©‡mi mÎ~ †_‡K cig ZvcgvÎvi †¯‹jwU cÖwZôv Ki| 2
M. A M¨vmwU wPwýZ Ki| 3
N. (i) I (ii) bs cv‡Îi †hŠMØq GwmW I ÿv‡ii †Kvb gZev`‡K
(ii) 36.5% H2SO4 mg_©b K‡i Zv Dch³y mgxKi‡Yi mvnv‡h¨ we‡kølY Ki| 4
Av‡cwÿK ¸iæZ¡ = 1.1854 7 wb‡Pi wPÎwU jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
K. †gvjvwiwU Kx? 1 A
B
L. KMnO4 + H2S + H2SO4 K2SO4 + MnO4 + S + H2O| C
wewµqv Aa© wewµqv wjL| 2 PV
M. DÏxcK (ii) bs Gwm‡Wi NbgvÎv ppm GKK cÖKvk Ki| 3 P
N. DÏxcK B cv‡Îi Gwm‡Wi pH Gi gvb wbY©q Ki| 4
4 wb‡Pi wPθ‡jv jÿ Ki Ges cÖkœ¸‡jvi DËi `vI : K. COD Kx? 1
L. HSO4 GKwU Dfagx© c`v_© e¨vL¨v Ki| 2
1.75 A 2.5 A M. †Kvb k‡Z© A I B M¨vm C Gi Abiy ƒc n‡e Zv e¨vL¨v Ki| 3
1h 25 min Zwor cÖev‡ni ci 2h N. A I B M¨v‡mi AvPiY C Gi Abiy ƒc bv nIqvq KviY e¨vL¨v Ki| 4
K¨v‡_v‡W 2.71 g
A(NO3)4 `ªeY fi mwÂZ nq 0.5 L Ges 8 wb‡Pi Z_¨¸‡jv jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
0.75 M wkG͸i KuvPvgvj
A(NO3)2 (i) (A) KÅvjGKwiqvm (B) Avi‡Rwjqvm
(i) (ii)
K. GK d¨viv‡W Kx? 1
L. jeY †mZiz f‚wgKv e¨vL¨v Ki| 2 K. wimvBwK¬s Kx? 1
L. KvP mvgMÖx A¨vwbwjs Kiv nq †Kb? 2
M. DÏxc‡K A avZwz U mbv³ Ki| 3 M. (i) bs wk‡íi KuvPvgvj †_‡K Drcv`wU cÖ¯Z‘ Ki| 3
N. DÏxc‡K (ii) cÖevn wP‡Îi me©‡kl avcwU we‡kølY Ki| 4
N. Zwor cÖev‡ni c‡i (ii) bs `ªe‡Yi NbgvÎvi wK
ai‡bi cwieZ©b NU‡e Zv MvwYwZK we‡kølY Ki| 4
64 miKvwi Av‡kK gvng`y K‡jR, Rvgvjciy welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi DÏxcKwU jÿ Ki Ges mswkøó cÖkœ¸‡jvi DËi `vI : M. DÏxc‡Ki A I B M¨vm Ges Zwor we‡køl¨ wn‡m‡e
2 CO2 KOH e¨envi K‡i †h †Kvl MwVZ nq Zv wPÎ I
N2 mgxKiYmn eY©bv Ki| 3
H2
N. DÏxc‡Ki mÂqK (iii) †KvlwUi eR©¨ n‡Z wbM©Z
He
Z 1 Ideal gas. avZe `~lKwU Lv`¨ k„•L‡j cÖfve †d‡jDw³i
0P h_v_©Zv D‡jøL Ki| 4
K. wK¬‡gbmb weRviY Kx? 1 5 wb‡Pi DÏxcKwU jÿ Ki Ges mswkøó cÖkœ¸‡jvi DËi `vI :
L. A¨vwmwUK GwmW A‡cÿv †K¬v‡iv A¨vwmwUK GwmW KOH(aq) KOH(alc) B
CA
AwaK kw³kvjx– e¨vL¨v Ki| 2 1 AÅvjKvBj ˆeËvgvBW cÉavb Drcv`
M. DÏxc‡Ki CO2 M¨v‡mi 20C ZvcgvÎvq eM©gj~ Mo K. d¨viv‡Wi cÖ_g m~ÎwU wjL| 1
eM©‡eM wbY©q Ki| 3 L. H2O †K GKwU Dfagx© †hŠM ejv nq †Kb? 2
M. A †_‡K C cÖ¯‘wZi wµqv‡KŠkj eY©bv Ki| 3
N. †Kvb Ae¯’vq DÏxc‡Ki M¨vmmgn~ Av`k© M¨v‡mi b¨vq
AvPiY K‡i– we‡kølY Ki| 4 N. 2 A¨vjKvBj †eªvgvBW n‡j B Ges C †hŠMØq wfbœ
2 P I Q `ywU wfbœ g‡bv nvBwWªK A¨vj‡Kvnj hv RvwiZ n‡q R wfbœ †÷wiI mgvYZy v cÖ`k©b K‡i– we‡kølY Ki| 4
I S Drcbœ K‡i| 6 wb‡Pi DÏxcKwU jÿ Ki Ges mswkøó cÖkœ¸‡jvi DËi `vI :
R †hŠMwU †dnwjs `ªeY cixÿv cÖ`k©b Ki‡jI S G cixÿv C2H2 Fe bj A AbCv`HËÆ 3AClCl l3 B
cÖ`k©b K‡i bv| 400 C
K. 12 g CO2 Gi Rb¨ f¨vÛvi Iqvjm mgxKiY wjL| 1 K. wMÖMbvW© weKviK ej‡Z Kx eyS? 1
L. nvB‡Wªv‡Rb Zwo`Øvi gLy ¨ wb‡`©kK Zwo`Øvi –
L. A¨vjwKb I †ebwR‡b wØ-eÜb _vKv m‡Ë¡I A¨vjwKb
Dw³wUi e¨vL¨v `vI| 2 ms‡hvRb wKš‘ †ebwRb cÖwZ¯’vcb †`q †Kb? 2
M. P, Q, R I S †hŠM¸‡jv‡K wPwýZ K‡i mswkøó M. A †_‡K B †hŠM cÖ¯‘wZi †KŠkjmn wewµqvwU wjL| 3
cwieZ©‡bi wewµqv †`LvI| 3 N. B †hŠ‡Mi mv‡_ †K¬vwi‡bi wewµqvq `ywU wfbœ †hŠM
ˆZwi K‡i– †Zvgvi Dˇii mc‡ÿ e¨vL¨v Ki| 4
N. g‡bv nvBwWªK A¨vj‡Kvnjmg~n Kxfv‡e cv_©K¨ Kiv
7 DÏxc‡Ki Av‡jv‡K wb‡Pi cÖkœ¸‡jv DËi `vI :
hvq– Dˇii mc‡ÿ hyw³ †`LvI| 4
Pvgov wkí (eR© c`v_©) b`x cwi‡ek `l~ Y
3 AvKwiK †jvnv jNy H2SO4 `ªe‡Y `ªexfZ‚ K‡i KMnO4 `ªeY
Øviv m¤úY~ ©iƒ‡c RvwiZ Kiv n‡jv| K. RyBUvi Avqb Kx? 1
K. Zwo`Øvi Kx? 1 L. CFC Kxfv‡e IRb ¯Íi‡K aŸsm K‡i? 2
L. SI GK‡K R Gi gvb wbY©q Ki| 2 M. DÏxc‡K cÖ`Ë Kvu PvgvjwUi U¨vwbs G Na2Cr2O7 I
H2SO4 Gi f‚wgKv mgxKiYmn †jL| 3
M. DÏxc‡Ki wewµqvi RviY-weRviY mgZvweavb Ki| 3 N. DÏxc‡K DwjøwLZ wk‡íi cwi‡ek `l~ ‡Y `l~ Kmg~n
N. DÏxc‡Ki KMnO4 Gi ¯’‡j K2Cr2O7 e¨envi K‡i `~ixKiY m¤¢e Kx? we‡kølY Ki| 4
Kxfv‡e Avqi‡bi cwigvY wbY©q Kiv hvq? MvwYwZK 8 DÏxc‡Ki Av‡jv‡K wb‡Pi cÖkœ¸‡jvi DËi `vI :
we‡kølY Ki| 4 20 C ZvcgvÎvq GKwU LPG M¨vm wmwjÛv‡i 12 kg weD‡Ub
4 wewµqv¸‡jv jÿ Ki Ges wb‡Pi cÖkœ¸‡jvi DËi M¨vm fwZ© Av‡Q| wmwjÛv‡ii AvqZb 20 wjUvi|
`vI : K. mgvYZy v Kx? 1
(i) KClO3(s) KCl + A(g) L. HCl M¨v‡mi e¨vcb nvi A‡cÿv NH3 M¨v‡mi e¨vcb
(ii) Zn(s) + H2SO4 ZnSO4(aq) +B(g) nvi †ewk †Kb– e¨vL¨v Ki| 2
(iii) Pb(s), PbSO4(s)/ H2SO4(aq)/PbO2(s), Pb(s)
M. DÏxc‡K M¨vm wmwjÛv‡ii Pvc wbY©q Ki| 3
K. jeY †mZz Kx?
1 N. DÏxc‡K DwjøwLZ wmwjÛv‡i M¨vm fwZ©i mgq M¨v‡mi
L. cvwbi DO K‡g hvIqvi KviY Kx? 2 †Kvb m‡~ Îi cÖ‡qvM NU‡e? we‡kølY Ki| 4
NCTB KZ©…K cÖ`Ë P‚ovšÍ gvbeȇbi Av‡jv‡K
G·K¬zwmf g‡Wj †U÷ I DËigvjv : eûwbe©vPwb
65 G·K¬wz mf g‡Wj †U÷ 01 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. evqgy Їji I‡Rvb¯Íi †KvbwU? wb‡Pi †KvbwU mwVK? 16. Dc‡ii wewµqvi †ÿ‡Î
K Uª‡cvwùqvi L ÷ªv‡Uvwùqvi K i I ii L i I iii i. CuSO4 RviK Ges KI weRviK
M †g‡mvwùqvi N _v‡g©vwùqvi M ii I iii N i, ii I iii ii. K Gi RviY msL¨vi cwieZ©b nqwb
2. 17C ZvcgvÎvq 1 †gvj M¨v‡mi MwZkw³ 10. CH3 CO Zn Hg + H2O. iii. 2wU B‡jKUª‡bi Av`vb-cÖ`vb N‡U‡Q
3. CH3 B
KZ? HCl wb‡Pi †KvbwU mwVK?
K 3.61485 J L 36.14 J B n‡”Q K i I ii L i I iii
M 361.148 J N 3616.85 J K B_vb¨vj L †cÖvcvb¨vj M ii I iii N i, ii I iii
wbGPi ˆKvbwU Abye®¬x ‰wmW ÞviK hyMj bq? M †cÖv‡cb 17. Dc‡ii wewµqvq Drcbœ I2 †K †h cÖgvY
K NH3, NH4+ N †cÖvcvbwqK GwmW `ªeY Øviv UvB‡Uªkb K‡i Cu2+ cwigvY
L H2SO4, HSO4
M HNO3, NO3 11. †KvbwU †dbUb weKviK? wbY©q Kiv nq Zv nj
N HCl, OH
K FeSO4 + H2O2 K KMnO4 L K2Cr2O7
4. cvwb‡Z DO n«v‡mi KviY L 2% HgSO4 + 20% H2SO4
M ZnCl2 + HCl M Na2S2O3 N A·vwjK GwmW
i. m~h©v‡jvK K‡g hvIqv N ZnO + HCl
18. H2O2 †hŠ‡M Aw·‡R‡bi RviY gvb KZ?
ii. cvwbi ZvcgvÎv e„w×
iii. cvwb‡Z `ªexf‚Z c`v_© ew„ × 12. A¨vj‡Kvnj‡K †Kvb weKvi‡Ki mvnv‡h¨ K1 L2 M+1 N+2
wb‡Pi †KvbwU mwVK? kbv³ Kiv nq? 19. MVb Abymv‡i Aa©‡Kvl KZ cÖKvi?
K i I ii L i I iii K Na L Mg K4 L5 M6 N7
M ii I iii N i, ii I iii M FeCl3 N Br2 cvwb 20. Pvgvov U¨vwbs KZ cÖKvi?
wb‡Pi DÏxcKwU co Ges 5 I 6 bs 13. 25 g weï× Pzbvcv_i bgby v‡K AwZwi³ K3 L4 M5 N6
cÖ‡kœi DËi `vI : HCl-G `ªexf‚Z K‡i CO2 M¨vm cvIqv 21. †KvbwU m¤úY~ © wimvB‡Kj‡hvM¨?
Kÿ ZvcgvÎvq mgvb AvqZ‡b I mgvb †Mj| Drcbœ CO2 Gi K Al L Cu M Fe N KvP
i. fi 11 g
Pv‡c 8wU d¬v‡¯‹ M¨vm Av‡Q h_vµ‡g He, 22. KvP Drcv`‡b cÖavb Kvu Pvgvj
Ne, Ar I Kr| ii. STP †Z AvqZb 22.4 L i. evwj
5. †Kvb d¬v‡¯‹ M¨v‡mi NbZ¡ me‡P‡q †ewk? iii. STP †Z AvqZb 5.6 dm3 ii. †mvWvA¨vk
K 1g L 2q M 3q N 4_© wb‡Pi †KvbwU mwVK? iii. më †KK
6. †Kvb d¬v‡¯‹ me‡P‡q †ewk AYy _vK‡e? K i I ii L i I iii wb‡Pi †KvbwU mwVK?
K 2q L 3q M ii I iii N i, ii I iii K i I ii L i I iii
M 4_© 14. 0.1 M NbgvÎvi Na2CO3 `ªeY M ii I iii N i, ii I iii
N me¸‡jv M¨v‡m GKB msL¨K AYy 23. b¨v‡bv KYvi AvKvi KZ?
7. C4H8 †hŠ‡M KZwU mgvYy Av‡Q? ( )W K 1 100 nm L 100 200 nm
K1 L2 M3 N4 i. 1.06% V
8. Av‡qv‡Wvdig wewµqv †`q bv ii. 10600 ppm M 200 300 nm N 300 400 nm
iii. 10.6 106 ppb
i. HCHO 24. wb‡Pi †KvbwU A¨v‡bv‡Wi ms‡KZ?
ii. CH3OH wb‡Pi †KvbwU mwVK?
K Mn+/M L M/Mn+
iii. CH3CHO K i I ii L i I iii
M M++/M+ N H+/M
wb‡Pi †KvbwU mwVK? M ii I iii N i, ii I iii
25. F Zwor cÖevn Øviv wb‡Pi †Kvb avZwz Ui 1
K i I ii L i I iii 15. cÖvBgvwi ÷¨vÛvW© c`v_© n‡”Q
MÖvg/†gvj PvR©g³y n‡e?
M ii I iii N i, ii I iii K KMnO4 L NaOH
M K2Cr2O7 N Na2S2O3
9. gviKwbKf bxwZ AbymiY K‡i ms‡hvRb K MwjZ NaCl
wewµqv †`q wb‡Pi wewµqvwU jÿ Ki Ges 16 I 17 L NaCl-Gi Rjxq `ªeY
i. CH3 CH2 CH = CH2 bs cÖ‡kœi DËi `vI : M CuSO4-Gi Rjxq `ªeY
ii. CH3 CH = CH2 N AlCl3-Gi Rjxq `ªeY
iii. CH3 CH = CH CH3 2CuSO4 + 4KI = Cu2I2 + 2K2SO4 + I2
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 L 2 N 3 N 4 N 5 N 6 N 7 N 8 K 9 K 10 M 11 K 12 K 13 L
14 N 15 M 16 N 17 M 18 K 19 L 20 K 21 N 22 K 23 K 24 L 25 K
66 G·K¬wz mf g‡Wj †U÷ 02 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv cY~ ©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. Møy‡KvR AY‡y Z KvBivj Kve©b Av‡Q 10. S4O62– Avq‡bi S -Gi RviY gvb 18. A Ges B n‡jv-
K3 L4 K + 2.0 L + 2.5 i. mg‡MvÎK
M5 N6 M + 3.0 N + 3.5 ii. A¨vwgb
2. A¨vjWj Nbxfeb cÖ`k©b Ki‡Z 11. cigkb~ ¨ ZvcgvÎv n‡jv iii. ÿviK
cvi‡e K 0C L –273C wb‡Pi †KvbwU mwVK?
3. K Cl3C – CHO L H – CHO M 25C N 273K 19. K i I ii L ii I iii
M CH3CH2 – CHO M i I iii N i, ii I iii
N C6H5CHO 12. evsjv‡`‡ki wgVv cvwbi cÖavb Drm B †hŠMwU NHO2 Gi mv‡_ wewµqv
w¯’i DòZvq M¨v‡mi Pvc evo‡j, †KvbwU? L fM‚ f©¯’ cvwb Ki‡j Drcbœ n‡e
K mg‡y `ªi cvwb
Nb‡Z¡i gvb M b`xi cvwb N cKy ‡z ii cvwb K A¨vj‡Kvnj L A¨vjwWnvBW
K ev‡o L K‡g 13. Nw~ Y©So mw„ ó nq Kvi‡Y| M wK‡Uvb N nvB‡WªvKve©b
M k~b¨ nq N AcwiewZ©Z _v‡K K wb¤§Pvc I D”P ZvcgvÎvi 20. CH3–CH = CH(OH) – CH3 Gi
4. ZnSO4 `ªe‡Y 1C PvR© cÖevwnZ Ki‡j, L wb¤œPvc I wb¤œ ZvcgvÎvi
5.
K¨v_v‡W mwÂZ wR‡¼i cwigvY M D”PPvc I wb¤œ ZvcgvÎvi IUPAC bvg
K 34.7g L 32.7g N D”PPvc I D”P ZvcgvÎvq K weDU-2-Bb-2-Aj
6. L weDU-2-Bb-1-Aj
7. M 0.00348g N 0.0348g 14. 1 nm = ? L 10–9cm M 2-nvB‡Wªvw· weDwUb-2
N 3-nvB‡Wªvw· weDwUb-2
g„`y GwmW I mej ÿv‡ii UvB‡Uªk‡b K 109m 21. NaOH Gi †Wwm‡gvjvi `ªeY ppm
GK‡K KZ?
Dch³y wb‡`©kK M 10–7cm N 10–7mm
K wjUgvm L wg_vBj A‡iÄ 15. CH3–O–CH3 †hŠMwUi bvg
i. B_vi
M †dbjd&_¨vwjb N wg_vBj †iW ii. WvB wg_vBj B_vi K 400 L 4,000
iii. wg‡_vw· wg‡_b
DóxcKwU cGo 6 I 7 bs cÉGk²i Dîi wb‡Pi †KvbwU mwVK? M 40,000 N 4,00,000
`vI : 22. STP †Z lmol CO2 M¨v‡mi MwZkw³i
C5H5 – COONa ˆmvWvjvBg A + Na2CO3 K i I ii L ii I iii cwigvY
M i I iii N i, ii I iii
K 6,805.89 kJ L 3,404.9 kJ
M 1701.47 kJ N 850.73 kJ
A Abv`ËÆ AlCl3 B+ HCl 16. U‡UvgvwiZv cÖ`k©b K‡i
23. cÖvBgvix ÷¨vÛvW© c`v‡_©i D`vniY
K †cÖvcv‡bvb L †cÖvwcb
M †cÖvcvbj
A †hŠMwU n‡jv n‡jv
K C6H5 – COOH L C6H5 – CH3 N †cÖvcv‡bvwqK GwmW
M C6H6 N C6H5 – OH 17. CH3CH2 – Cl + CH3 – ONa K H2SO4 L KMnO4
M K2Cr2O7 N HNO3
B †hŠMwU bvg
CH3 – CH2 – O – CH3 + NaCl 24. STP †Z ZvcgvÎv n‡jv
K wg_vBj †ebwRb wewµqvwUi bvg
L B_vBj †ebwRb K 0K L – 273C
M †cÖvcvBj †ebwRb N UjyBb K DU©R wewµqv
M – 273K N 273K
8. cÖgvY `ªeY n‡jv L wMÖMbvW© wewµqv
25. d¨viv‡W (F) B‡jKUªb (e) Ges
K 1 mol H2SO4 L 1 L H2SO4 M DBwjqvgmb wewµqv
M 1.0M H2SO4 N 1g H2SO4 A¨v‡fvMv‡Wªv msL¨v (N) Gi m¤úK©wU
N wd«‡Wj µvdU wewµqv
9. wb¤œgv‡bi Kqjv n‡jv
K wjMbvBU L wcU DÏxcKwU c‡o 18 I 19 bs cÖ‡kœi
M weUwz gbvm N A¨vb_ªvmvBU DËi `vI : K N = e.F L N = e
F
A LiAlH4 R – CONH2 KOH+Br2 B M F = N N e = F
e N
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
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DËigvjv 1 L 2 M 3 K 4 L 5 M 6 M 7 L 8 M 9 L 10 L 11 L 12 L 13 K
14 M 15 N 16 K 17 M 18 N 19 K 20 K 21 L 22 L 23 M 24 N 25 N
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 67
67 G·K¬zwmf g‡Wj †U÷ 03 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv cY~ ©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. 27 C ZvcgvÎvq O2 AYyi eM©g~j Mo 8. ndg¨vb ÿ`z ªvskKiY wewµqvq cÖ¯‘Z 17. wjw_qvg †÷v‡iR e¨vUvwi‡Z Zwor
eM©‡eM KZ? Kiv hvq we‡kø‡l¨i ˆRe `ªveK †KvbwU?
K 461.62 ms1 L 480.62 ms1 K ROH L RNO2 K (C2H5)2CO3 L C2H5CO3
M 483.62 ms1 N 490.62 ms1 M RCN N RNH2 M LiClO4 N LiCuO2
2. wMÉb nvDR cÉfvGe ˆKvb MÅvmwUi f„wgKv wb‡Pi DÏxcKwU c‡o 9 I 10 bs 18. cÖgvY nvB‡Wªv‡Rb ZworØv‡ii wef‡ei
ˆewk? cÖ‡kœi DËi `vI : gvb KZ?
R3C Cl + KOH(aq) R3C OH + K + 1.00 V L + 0.76 V
KCl
K N2 L CH4 9. 19. M 0V N 0.34 V
M CO2 N CFC wewµqvwU †Kvb †KŠkj AbymiY K‡i?
jeY †mZ‡z Z wb‡Pi †Kvb †hŠMwU
3. SATP †Z †Kvb M¨v‡mi †gvjvi K SN1 L SN2 e¨envi Kiv hv‡e?
AvqZb KZ wjUvi? M SN1 I SN2 N †KvbwUB bq K KNO3 L Mvp H2SO4
K 22.4 L 24.789 10. D³ wewµqvwU †h †KŠkj AbymiY K‡i M H2O2 N K2Cr2O7
M 42.2 N 74.4
Zvi mwµqZvi µg †KvbwU? 20. d¨viv‡Wi 1g m‡~ Îi mvnv‡h¨
4. 64 g O2 M¨v‡mi Rb¨ f¨vÛvi Iqvj K 1 RX > 2 RX > 3 RX i. Zwo`Øv‡ii mwÂZ c`v‡_©i cwigvY
mgxKiY †KvbwU? L 3 RX > 2 RX > 1 RX wbY©q Kiv hvq
M 1 RX > 3 RX > 2 RX
K P + V4a2 (V + 2b) = 2RT N 2 RX > 3 RX > 1 RX ii. c`v‡_©i Zwor ivmvqwbK Zzj¨v¼
wbY©q Kiv hvq
L P 2Va22 (V 2b) = 3RT 11. b¨vc_¨vwj‡b KZwU cvB B‡jKUªb iii. mwÂZ c`v‡_©i cigvYiy msL¨v
_v‡K? wbY©q Kiv hvq
M P + V4a2 (V 2b) = 2RT K2 L6 wb‡Pi †KvbwU mwVK?
M 10 N 14
K i I ii L i I iii
N P V2a2 (V + 2b) = 2RT 12. Cr2O32 G Cr Gi RviY gvb KZ? M ii I iii N i, ii I iii
K + 12 L +6 21. wmjfv‡ii Zwor ivmvqwbK Zjz ¨v¼
5. NH3, CO2, O2 I H2 Gi g‡a¨ M 6 N 12 KZ?
e¨vc‡bi nv‡ii m¤úK© 13. †KvbwU RviK weRviK Dfq wnmv‡e K 0.00104 g/C L 0.000104 g/C
K rH2 > rO2 > rNH3 > rCO2 wµqv Ki‡Z cv‡i? M 0.001118 g/C N 0.000329 g/C
L rH2 > rNH3 > rO2 > rCO2
M rH2 > rNH3 > rCO3 > rO2 K KI L H2O2 22. Pvgov U¨vwbs G †KvbwU e¨en„Z nq?
N rCO2 > rO2 > rNH3 > rH2
M H2C2O4 N Na2S2O3 K Cr2O3 L Na2S
wMÖMbvW© weKvi‡Ki mv‡_ wg_vb¨v‡ji
14. †mvwWqvg Kve©‡b‡Ui 500 M NaOH N Cr2(SO4)3
ml 23. Kve©‡bi b¨v‡bv cvwU©K¨vj bq †KvbwU?
6. †Wwm‡gvjvi `ªe‡Y KZ MÖvg `ªe `ªexfZ‚ K MÖvwdb
_vK‡e? L Kve©b b¨v‡bvwUDe
wewµqvq Drcbœ nq K 0.53 gm L 5.3 gm M dzjvwib N nxiK
K cÖvBgvwi A¨vj‡Kvnj M 1.06 gm N 10.6 gm 24. †gjvgvBb ˆZwii Dcv`vb †KvbwU?
L †m‡KÛvwi A¨vj‡Kvnj 15. †KvbwU †m‡KÛvwi ÷¨vÛvW© c`v_©? K †Udjb L BDwiqv
M ˆRe GwmW K Na2CO3 L H2SO4 M wg_vb¨vj N A¨v‡gvwbqv
N Uviwmqvwi A¨vj‡Kvnj
7. †KvbwU B‡jK‡UªvdvBj? M K2Cr2O7 N H2C2O3 25. Pvqbv †K¬ Gi ms‡KZ †KvbwU?
16. Av‡qv‡WvwgwZ‡Z wb‡Pi †KvbwU e¨envi K K2O.Al2O3.6SiO2
L CaO.Al2O3.6SiO2
Kiv nq?
K PH3 L H2O K I2 L KMnO4 M Al2O3.2SiO2.2H2O
M BF3 N SO2 M K2Cr2O7 N KI N Na2O.Al2O3.6SiO2
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 M 2 M 3 L 4 M 5 L 6 K 7 M 8 N 9 K 10 L 11 M 12 L 13 L
14 L 15 L 16 N 17 N 18 M 19 K 20 N 21 M 22 N 23 N 24 L 25 M
68 G·K¬wz mf g‡Wj †U÷ 04 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. SATP †Z N2 M¨v‡mi †gvjvi AvqZb O 16. wb‡Pi †KvbwU welg PvwµK †hŠM?
||
KZ wjUvi? 8. C NH2 MÖæcwUi bvg Kx? KL
K 14.00 L 22.414 K wK‡Uv L A¨vwg‡bv
M 24.789 N 28.00 M wK‡Uvb-A¨vwgb N A¨vgvB‡Wv M N
2. cÖgvY Na2CO3 `ªe‡Yi mvnv‡h¨ cÖ`Ë 9. wb‡Pi †Kvb †hŠMwU Am¤ú³„ ? 17. C÷HÓ3• B^viCH2 CH2Br + Na
HCl Gwm‡Wi NbgvÎv wbY©‡q 10. 'M'
i. UvBU¨v›U Na2CO3 K CNL NH3 M H2O N CH4 M; G‡ÿ‡Î
SnCl2 + 2FeCl3 2FeCl2 + SnCl4
ii. wb‡`©kK wn‡m‡e wg_vBj A‡iÄ †hŠMwUi bvg Kx?
†KvbwU mwVK?
K GwU GKwU cÖkgb wewµqv K †nw·b L †cÖv‡cb
iii. HCl KwbK¨vj d¬v‡· †bqv nq L SnCl2 RviK M FeCl3 RviK M †cÖvwcb N †n‡·b
wb‡Pi †KvbwU mwVK? N SnCl2 Gi weRviY N‡U‡Q 18. Mø‡y KvR AY‡y Z KqwU KvBivj †K›`ª ev
K i I ii L i I iii DÏxc‡Ki Av‡jv‡K 11 I 12 bs AcÖwZmg Kve©b Av‡Q?
K3 L4
M ii I iii N i, ii I iii cÖ‡kœi DËi `vI :
M5 N6
3. wb‡Pi †KvbwUi rms †eM †ewk? C6H5 C2H5 + [O] 19.
10 g CaCO3 †_‡K 2 1019 wU AYy
K O2 L N2 (i)(iiÞ)vjiNxqy HKCMlnO4
A mwi‡q wb‡j Kx cwigvY CaCO3
M H2 N Cl2 NaOH (CaO)
Aewkó _vK‡e?
4. wb‡Pi †KvbwU U‡UvgvwiRg †`Lvq?
B K 9.550 g L 9.669 g
A
K C3H6 L C2H5OH M 9.881 g N 9.966 g
11. A †hŠ‡Mi Kvh©Kix gj~ KwU n‡jv
M CH3COCH3 N C4H10 20. †m‡KÛvwi wb‡`©kK Zwo`Øvi n‡jv
DÏxcKwU jÿ Ki Ges 5 I 6 bs i. COOH i. cÖgvY nvB‡Wªv‡Rb Zwo`Øvi
cÖ‡kœi DËi `vI :
ii. †gUv wb‡`©kK ii. K¨v‡jv‡gj B‡jK‡UªvW
iii. †ebwRb mwµqKvix g~jK iii. KBz b nvB‡Wªvb Zwo`Øvi
10 L 5 L 4L wb‡Pi †KvbwU mwVK? wb‡Pi †KvbwU mwVK?
27 C 27 C 27 C Ki L i I ii K i L i I ii
N ii I iii
1bs cvÎ B-gas C-gas M i I iii M ii I iii N i I iii
5. 2 atm Pv‡c 1bs cv‡Î KZwU O2 AYy 12. B †hŠMwUi †ÿ‡Î cÖ‡hvR¨ 21. 5% NaCO3 `ªe‡Yi †gvjvwiwU KZ?
ivLv hv‡e?
i. wZbwU wØ eÜb Av‡Q K 0.74 M L 0.47 M
K 6.02 1022 L 2.68 1023
ii. Cl2 Gi mv‡_ M¨vgvw·b nq M 0.89 M N 0.98 M
M 4.89 1023 N 6.02 1024 iii. QqwU cvB B‡jKUªb Av‡Q Al3+ + 3e Al G wewµqvq 9 g Al
22.
6. B Ges C M¨vm‡K 1bs cvÎ (hw` Lvwj wb‡Pi †KvbwU mwVK? 23. Drcv`‡b Kx cwigvY we`¨y r `iKvi
7. 24.
_v‡K) ¯’vbvšÍ‡ii Ki‡j K i L i I ii 25. n‡e?
i. Pvc n«vm cv‡e M ii I iii N i, ii I iii K 1F L 3F
ii. AYy msL¨v e„w× cv‡e 13. K¨v‡jv‡gj Zwo`Øv‡i †KvbwU e¨enZ„ M 13.5F N 27 F
14.
iii. fi n«vm cv‡e 15. nq? †KvbwU RviY-weRviY Aa©‡Kvl?
wb‡Pi †KvbwU mwVK? K MnO2 L HgCl2 K Pt, Cl2/Cl
L Ag, AgCl(s)/Cl
K i L i I ii M Hg2Cl2 N NH4Cl M Na, Hg/Na+ N Pt, Fe2+, Fe3+
M i I iii N i, ii I iii †KvbwU cigk~b¨ ZvcgvÎv? †Kvb wk‡í A¨vwbwjs GKwU ¸iæZ¡c~Y©
†KvbwU AmvgÄm¨ wewµqv? K 0C L 273 C avc?
K H2O + Cl2 20 C HCl + HOCl M + 25C N 273 K K Pvgov wk‡í L wm‡g›U wk‡í
L KClO3 KCl + O2 C.G.S GK‡K R Gi gvb †KvbwU? M KvPwk‡í N KvMR wk‡í
M NaOH + HCl NaCl + H2O
N KBrO3 + KBr + HCl KCl + H2O + Br2 K 8.316 erg K1 mol1 KvM‡Ri cÖavb Dcv`vb †KvbwU?
L 8.316 107 erg mol1 K1 K wjMwbb L ÷vP©
M 8.316 J mol1 K1 M †mjy‡jvR N Kwz Ks wjKvi
N 8.316 erg K1 mol1
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 M 2 N 3 M 4 M 5 M 6 K 7 K 8 N 9 K 10 M 11 L 12 N 13 M
14 L 15 L 16 K 17 N 18 L 19 N 20 M 21 L 22 K 23 N 24 M 25 M
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 69
69 G·K¬wz mf g‡Wj †U÷ 05 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. BwUwci mvnvGhÅ ˆKvbwUi weGkvab Kiv 11. C2H5I + Na ÷Ó• B^vi ? 18. SN1 wewµqv
2. hvq? 12. i. GK-AvYweK †K›`ªvKl©x cÖwZ¯’vcb
K KwVb eR©¨ L Zij eR©¨ K CH4 L C2H4 wewµqv
ii. wewµqvwU GKav‡c N‡U
M M¨vmxq eR©¨ N meKqwU M C2H6 N C4H10
NH3 Gi mv‡_ †KvbwUi wewµqv iii. wewµqvwUi †ÿ‡Î mwµqZvi µg
BDwiqv Drcbœ nq?
30RX > 20RX>10RX>CH3X
K CO2 L CO ÷cKK L‡y j w`‡q M¨vm wgkÖ‡Yi †gvU
wb‡Pi †KvbwU mwVK?
M CH3CONH2 N CH4 + O2
K i I ii L i I iii
3. A¨v‡gvwbqv Drcv`‡b cÖ‡qvRb Pvc KZ n‡e?
i. D”PPvc K 0.9 atm L 1.26 atm M ii I iii N i, ii I iii
ii. AZ¨vbyK~j ZvcgvÎv M 2.5 atm N 1.52 atm 19. †KvbwU A¨vgvB‡Wi Kvh©Kix gj~ K?
iii. Fe P‚Y© 13. OH Gi AbyeÜx GwmW? K CN L CONH2
wb‡Pi †KvbwU mwVK? i. H2O M NC N NO2
ii. H3O+
K i I ii L ii I iii 20. †KvbwU m wb‡`©kK gj~ K?
iii. O22
M i I iii N i, ii I iii K CH3 L OH
wb‡Pi †KvbwU mwVK?
4. b¨v‡bv KYvi †ÿ‡Î mwVK? M Cl N CHO
K 10-100 nm L 1-100 nm K i I ii L i I iii 21. gvb‡`‡n As Gi mnbxq gvÎv KZ?
M 1-10 nm N 10-500 nm M ii I iii N i, ii I iii K 500 mg/L L 1 ppm
5. STP †Z 2L wg‡_‡b KqwU AYy _v‡K? 14. bvB‡Uªkb wewµqvq †Kvb weKviK M 0.5 mg/L N 0.05 ppm
K 3.341 1018 L 2.688 1019
†Rvov e¨en„Z nq? 22. CGS GK‡K R Gi gvb †KvbwU?
M 5.37678 1022 N 1.505 1020
K HNO3 I H2SO4 K 0.082 Latm K1 mol1
6. [Fe(CN)6]4 G Fe Gi RviY msL¨v L HNO3 I H2SO3 L 8.314 107 erg K1 mol1
7. KZ? M H2SO4 I H2SO3 M 8.314J K1 mol1
8. N HCl I HNO3 N 1.987 cal K1 mol1
K +3 L +4 wMÉb nvDGRi meGPGq ÞwZKviK
DÏxcKwU c‡o 23 I 24 bs cÖ‡kœi
M +2 N 4 DËi `vI :
Kÿ ZvcgvÎvq mgAvqZbwewkó PviwU
†dbd_¨vwjb A¤øxq gva¨‡g †Kvb eY© 15. MÅvm d¬v‡¯‹ h_vµ‡g Cl, He, Ar Ges H
16. M¨vm Av‡Q| cÖwZwU d¬v‡¯‹ M¨v‡mi Pvc
†`q? ˆKvbwU? mgvb|
K eY©nxb L Kgjv K CFC L N2O
M †Mvjvcx N njy` M CO2 N CH4
Zxeª GwmW I g`„ y ÿv‡ii UvB‡Uªk‡b GwmW e„wói Rb¨ `vqx bq
†Kvb wb‡`©kK Dc‡hvMx? i. COx
ii. SOx
K †h †Kvb wb‡`©kK 23. †Kvb d¬v‡¯‹ M¨v‡mi NbZ¡ †ewk?
L †dbd_¨vwjb iii. NOx K 1g L 2q M 3q N 4_©
M wg_vBj A‡iÄ
wb‡Pi †KvbwU mwVK? 24. †Kvb d¬v‡¯‹ me‡P‡q †ewk cigvYy
N †Kvb Dch³y wb‡`©kK †bB
9. †KvbwU †K›`ªvKl©x weKviK? Ki L ii _vK‡e?
K AlCl3 L BF3 M i I iii N ii I iii K 1g L 2q
M NH3 N BCl3
17. †KvbwU cwi‡ek evÜe †mj? M 4_© N me d¬v‡¯‹ mgvb
10. jyKvm weKviK ˆKvbwUi kbvÚKiGY K dz‡qj †mj 25. †KvbwUi mv‡_ U‡jb weKviK wmjfvi
eÅen†Z nq? L †jW-mÂqK e¨vUvix `cY© †`q?
K A¨vjwWnvBW L A¨vj‡Kvnj M Cd-e¨vUvix K CH3 OH L HCOOH
M ˆRe GwmW N A¨vjKvBb N Li-ion e¨vUvix M CH3COOH N CH3 NH2
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 L 2 K 3 N 4 L 5 M 6 M 7 K 8 M 9 M 10 L 11 N 12 N 13 K
14 K 15 K 16 K 17 K 18 L 19 L 20 N 21 N 22 L 23 M 24 N 25 L
70 G·K¬zwmf g‡Wj †U÷ 06 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. AmÁ·†Ú ŠRe ˆhŒGMi kbvÚKiGY wbGPi 11. cÖvK…wZK M¨v‡mi Dcv`vb Kx? wb‡Pi †KvbwU mwVK?
ˆKvb weKviK eÅen†Z nq K O2 L H2 K i I ii L i I iii
K NaHCO3 L FeCl3 M CH4 N N2 M ii I iii N i, ii I iii
M Br2 N BaCl2 12. AÅvGivGgwUK ejq mwKÌqKvix gƒjK 18. 1.008 g H2 G KZwU cigvYy
ˆKvbwU?
2. 3 A¨vj‡Kvn‡ji Kvh©Kix gj~ K K 6.023 1023 L 12.046 1023
3. M 3.015 1023 N 1.60 1023
†KvbwU? K CN L COOH
19. 2I+ + Cl2 = I2 + Cl
K C OH L CH2OH M NO2 N NH2 G wewµqvwU GKwU RviY-weRviY
4. M CH OH N C OH
5. 13. A¨vjwWnvBW I wK‡Uv‡bi g‡a¨ cv_©K¨
wb‡Pi †Kvb †hŠMwU A¤øag©x?
6. wbY©‡qi Rb¨ e¨en„Z nq wewµqv| KviY
K weDUvBb-2 L weDwUb-2
i. U‡jb weKviK i. I B‡j±ªb Z¨vM K‡i I2 G cwiYZ nq
M weDUvBb-1 N weDwUb-1 ii. Cl2 B‡jKUªb Z¨vM K‡i Cl G
ii. wmdm& weKviK
DóxcKwU cGo 4 I 5 bs cÉGk²i Dîi cwiYZ nq
iii. 2, 4 DNPH
`vI : iii. Cl2 B‡jKUªb MÖnY K‡i Cl G cwiYZ nq
wb‡Pi †KvbwU mwVK? wb‡Pi †KvbwU mwVK?
2% Hg2+
A + H2O B K i I ii L i I iii
20% H2SO4
A †hŠ‡Mi ms‡KZ †KvbwU? M ii I iii N i, ii I iii
K i I ii L i I iii
K C2H2 L C2H4 14. SN1 wewµqvi †ÿ‡Î cÖ‡hvR¨
M C2H6 N C6H6 i. `yB av‡c N‡U M ii I iii N i, ii I iii
B †hŠMwU ii. mwµqZvi µq 30R > 20R > 10 R > 20. †KvbwUi AvqZb NTP †Z 22.4 cm3
i. Av‡qv‡Wvdig wewµqv †`q iii. wewµqvwU Dfq wewµq‡Ki K 6.023 1021wU H2 AYy
NbgvÎvi Dci wbf©i K‡i
ii. †dwjs `ªeY cixÿv †`q L 4.4 g CO2
M 0.4 g NaOH
iii. K¨vwbRv‡iv wewµqv †`q wb‡Pi †KvbwU mwVK?
N 0.1 †gvj NH3 M¨vm
wb‡Pi †KvbwU mwVK? K i I ii L i I iii 21. GKwU cv‡Î ivLv 16g wg‡_b M¨vm
K i I ii L ii I iii M ii I iii N i, ii I iii †_‡K NTP †Z 11.2 L M¨vm wbM©Z
M i I iii N i, ii I iii 15. cÖgvY nvB‡Wªv‡Rb Zwo`Øv‡i cvZ n‡q †M‡j H cv‡Î Avi KZwU M¨vm
Mn-G RviY gvb KZ? e¨enZ„ nq AYy Aewkó _v‡K?
K +5 L +6 K Pt L Ag
M +7 N +4 M Cu N Al K 6.023 1022 L 3.0115 1022
7. †KvbwU RviY-weRviY wewµqv? 16. Cu + Zn2+ Cu2+ + Zn M 3.11 1023 N 5.023 1023
K CaCO3 CaO + CO2 + H2O =E0Zn/Zn2+ + 0.44 V, E0Cu/Cu2+ = 22. †KvbwU RviK I weRviK Dfq wnmv‡e
L 2H2S + SO2 H2O + 3S
KvR Ki‡Z cv‡i?
M HF + KOH KF + H2O 0.34V
K KI L H2O2
N NaCl + AgNO3 NaNO3 + AgCl Dc‡ii DÏxc‡Ki wewµqvwU GKwU
8. cÖgvY `ªeY †KvbwU? M H2C2O4 N Na2S2O3
i. RviY-weRviY wewµqv
K 0.1 M H2SO4 L 1.0 gm H2SO4 23. A¨vwbwj‡b wmMgv eÜb msL¨v KZ?
M 0.1 mol H2SO4 N 1 ml H2SO4 ii. wewµqvwU ¯^tùZ‚ ©fv‡e N‡U
iii. wewµqvwU ¯^Ztù‚Z©fv‡e N‡U bv K6 L8
9. †jW mÂqx †Kv‡l †KvbwU wb‡Pi †KvbwU mwVK?
B‡jK‡UªvjvBU wnmv‡e e¨en„Z nq? M 10 N 14
24. †Kvb M¨vmwUi e¨vcb nvi †ewk?
K PbSO4 L H2SO4 K i I ii L i I iii K HCl L NH3
M PbO N PbO2 M ii I iii N i, ii I iii
M CH4 N Cl2
10. STP †Z 64 g SO2 M¨v‡mi AvqZb 17. jeY †mZ‡z Z e¨enZ„ nq 25. bjK‚‡ci cvwbi Av‡m©wbK AcmviY
KZ? i. NH4 Ki‡Z cv‡i wb‡Pi †Kvb b¨v‡bv KYvwU?
K 22.4 L L 44.8 L ii. KCl K ZnO L TiO2
M 89.6 L N 67.2 L iii. KNO3 M FeO N MnO2
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 M 2 K 3 M 4 K 5 K 6 M 7 L 8 K 9 L 10 K 11 K 12 N 13 K
14 K 15 K 16 K 17 L 18 K 19 L 20 K 21 M 22 L 23 N 24 M 25 M
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 71
71 G·K¬zwmf g‡Wj †U÷ 07 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. Zxeª ÿvi I `ye©j Gwm‡Wi UªvB‡Ukª ‡b 11. †Kvb †kÖwYi Kqjv me‡P‡q DrK…ó 19. 'A' †K wMÖMbvW© weKvi‡Ki mv‡_
wb‡Pi †Kvb wb‡`©kKwU e¨envi Kiv gv‡bi? wewµqvq cvIqv hvq
nq?
K wcU Kqjv L wjMbvBU Kqjv K ˆRe GwmW L 1 A¨vj‡Kvnj
K wg_vBj A‡iÄ L wg_vBj †iW M weUwz gbvm Kqjv N †m‡KÛvwi Kqjv
M wdbjd_¨vwjb N wjUgvm ˆRe †hŠ‡Mi Am¤ú„³Zv wbY©‡qi M B‡_b N 2 A¨vj‡Kvnj
Av‡m©wb‡Ki MÖnY‡hvM¨ gvÎv KZ?
2. 12. cixÿv n‡”Q 20. cvwbi GKwU AYyi fi KZ?
3. K 0.01 mg/L L 0.05 mg/L i. Br2 Gi cixÿv
M 0.08 mg/L N 0.01 mg/L K 2.99 1023 g L 3.99 1023 g
wb‡Pi †KvbwU cÖvBgvix ÷¨vÛvW© c`v_©? M 4.99 1023 g N 5.99 1023 g
21. wmGg´Ÿ RgvU euvavi wejGÁ¼i RbÅ eÅen†Z
K HCl L H2SO4 ii. †eqvi cixÿv nq
M NaCl N Na2CO3 iii. wd«‡Wj µvdU cixÿv K MgSO4.7H2O L CaSO4.2H2O
4. wb‡Pi †KvbwU DBwjqvgmb B_vi wb‡Pi †KvbwU mwVK? M ZnSO4.7H2O N CuSO4.5H2O
ms‡kølY wewµqv? K i I ii L i I iii 22. cv‡íi weiÄb wµqvq e¨enZ„ nq?
M ii I iii N i, ii I iii
K R ONa(alc) + R X Drcv` i. O3
L R X + 2Na + X R Drcv` ii. KMnO4
M Na + R X Drcv` 13. ¯^‡Y©i b¨v‡bv KYvi is Kx? iii. Ca(OCl)Cl
N CH2 = CH2 + Br2 Drcv`
5. Avq‡bvwùqvi Gi we¯Íw… Z KZ? K †mvbvjx L nj`y wb‡Pi †KvbwU mwVK?
K 0 15 km L 50 85 km M Kgjv N jvj K i I ii L i I iii
M 85 500 km
N 500 1000 km 14. wb‡Pi †Kvb g~jKwU †gUv wb‡`©kK? M ii I iii N i, ii I iii
K NHR L CN 23. eËvBGbi Zwor weGkÏlGY AÅvGbvGW wK
6. Cr2O72 Gi g‡a¨ Cr Gi RviY msL¨v M NHCOOCH3 N OCH3 Drc®² nq?
K Cl2 L H2
15. avZmz g~‡ni mwµqZvi wmwi‡R †KvbwUi M NaOH
KZ? N Na
K +3 L +4 Ae¯v’ b Dc‡i? wb‡Pi DÏxcKwU c‡o 24 I 25 bs
M +5 N +6 K Pb L Cu cÖ‡kœi DËi `vI :
7. cÖgvY nvB‡Wªv‡Rb Zwo`Øv‡ii wefe M Zn N Co +
KZ? 16. DU©R wdwUM wewµqv Øviv wb‡Pi †KvbwU
K 0.00 V L 0.5 V Drcbœ Kiv hvq?
M 1.5 V N 12 V
8. 5g Kve©‡b KZwU cigvYy Av‡Q? K †ebwRb L UjBy b CuSO4
K 6.023 1022 L 1.90 1023 M †dbj N bvB‡Uªv‡ebwRb cvÎwU‡Z 30 min hveZ 0.5 A we`y¨r
M 2.509 1023 N 6.22 1023
17. GwmW e„wói Rb¨ `vqx †KvbwU? Pvjbv Kiv n‡jv|
GwmW ew„ ói d‡j
9. i. meRy MvQcvjv I dmj Sj‡m hvq K CO L H2O 24. K¨v‡_v‡W Kx cwigvY Cu mwÂZ n‡e?
ii. Rjvk‡qi gvQ gviv c‡o M N2O N SO2
K 0.285 g L 0.2964 g
M 0.321 g N 0.385 g
wb‡Pi DÏxcKwU c‡o 18 I 19 bs 25. Dc‡iv³ Zwor we‡køl‡Y cÖ‡hvR¨
iii. `vjvb‡KvVvi ÿq mvwaZ nq
wb‡Pi †KvbwU mwVK? cÖ‡kœi DËi `vI : n‡jv
K i I ii L i I iii CH3CH2OH + [O] K2Cr2O7 A + i. A¨v‡bv‡W RviY N‡U
M ii I iii N i, ii I iii H2SO4
ii. A¨v‡bvW ÿqcÖvß nq
10. HOOC CH = CH COOH
H2O iii. B‡jKUªb K¨v‡_vW †_‡K A¨v‡bv‡W
†hŠMwU †Kvb ai‡bi mgvYZy v cÖ`k©b
18. 'A' wPwýZ †hŠM †KvbwU? hvq
K‡i?
K HCHO L CH3CHO wb‡Pi †KvbwU mwVK?
K R¨vwgwZK mgvYyZv
M CH2 O CH3
L Av‡jvK mgvYyZv K i I ii L i I iii
N CH2 CH2 CH3
M †gUvgvwiRg N U‡UvgvwiRg M ii I iii N i, ii I iii
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 M 2 L 3 N 4 K 5 M 6 N 7 K 8 M 9 N 10 K 11 M 12 K 13 N
14 L 15 M 16 L 17 N 18 L 19 N 20 K 21 L 22 L 23 K 24 L 25 K
72 G·K¬wz mf g‡Wj †U÷ 08 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv cY~ ©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. 1Btu = KZ K¨vjwi? 10. DÏxc‡Ki c`v_© †KvbwU? 17. wb‡Pi †Kvb wk‡íi mv‡_ Ô†MøwRsÕ
K 252 L 25 K Kve©b b¨v‡bv wUDe avcwU RwoZ?
M 4.18 N 1.38 L djz vwib K KvP L cví
2. ﮋ †Kv‡li wefe KZ? M †Kvjv‡Rb N MÖvwdb M wmivwgK N wm‡g›U
K + 0.34V L + 0.76V 11. DÏxc‡Ki c`v‡_© †Kvb ai‡Yi 18. Zwor we‡kølYKv‡j wb‡Pi †Kvb
M + 1.00V N + 1.50V msKivqb we`¨gvb? AvqbwU Av‡M PvR©gy³ nq?
3. †KvbwUi mwµqZv me‡P‡q †ewk? K sp L sp2 K Cl L Br
K Pb L Ag M sp3 N d2sp3 M NO3 N OH
M Ca N Cu 12. Al3+ + 3e Al; GB wewµqvq avZz
4. †mw›U‡gvjvi `ªe‡Y `ªe‡Yi NbgvÎv Drcv`‡b cÖ‡qvRbxq we`y¨‡Zi cwigvY 19. GK ÿviKxq GwmW †KvbwU?
KZ? KZ? K H2CO3 L H2SO4
K 0.01 M L 0.01M K 1F L 3F M HBr N H3PO3
M 0.01N N 0.1M M 9F N 18F 20. cÖgvY nvB‡Wªv‡Rb Zwo`Øv‡i A¤ø
5. A·vwjK Gwm‡Wi †mwg‡gvjvi `ªeY- 13. Na2CO3 + SiO2 X + CO2; Drcbœ `ªe‡Yi NbgvÎv _v‡K-
i. GKwU cÖgvY `ªeY X †hŠMwU K 1.0M L 0.1M
ii. cÖvBgvwi ÷¨vÛvW© c`v‡_©i `ªeY i. GK ai‡bi KvP M 0.01M N 0.001M
iii. Gi NbgvÎv ZvcgvÎvi Dci wbfi© ii. 1400 C ZvcgvÎvq Drcbœ nq 21. wb‡Pi †KvbwU RviK I weRviK
K‡i iii. wbqwgZ AvKv‡ii KwVb c`v_© Dfqiƒ‡c wµqv K‡i?
wb‡Pi †KvbwU mwVK? wb‡Pi †KvbwU mwVK? K HNO3 L H2SO4
K i I ii L i I iii K i I ii L i I iii M HNO2 N NaOH
M ii I iii N i, ii I iii M ii I iii N i, ii I iii 22. UV- iwk¥i Zi½‰`N©¨ AÂj KZ?
6. wRcmv‡gi mwVK ms‡KZ †KvbwU? DÏxcKwU c‡o 14 I 15 bs cÖ‡kœi K 100-200 nm L 200-375 nm
K CaSO4.2H2O L CaSO4.3H2O DËi `vI : M 375-7800 nm N 400-800 nm
M CaSO4.4H2O N ZnSO4.2H2O
Zn(s) + FeSO4(aq) ZnSO4 (aq) + DÏxcKwU c‡o 23 I 24 bs cÖ‡kœi
7. Pvgovi U¨vwbs n‡Z mó„ †Kvb avZe Fe(s)
Zn(s)/Zn2+(aq) = + 0.76V; DËi `vI :
Avqb K¨vÝvi m„wó‡Z f‚wgKv iv‡L? Fe(s)/Fe2+(aq) = + 0.44V 2CuSO4 + 4KI Cu2I2 + 2K2SO4 +
K Pb2+ L Cr2+ 14. DÏxc‡K ewY©Z †mjwUi †Kvl wefe I2
M Cr3+ N Cr6+ KZ? 2A + I2 Na2S4O6 + 2NaI
8. wb‡Pi †KvbwU evo‡j Kqjvi ¸YMZ K + 0.32V L + 0.42V 23. DÏxc‡Ki 'A' n‡jv
gvb ev‡o? M + 1.00V N + 1.20V Z_¨ K RviK Na2S2O4
K QvB L wd·W Kve©b 15. DÏxcK wewµqvi Rb¨ mwVK L RviK Na2S2O3
n‡jv-
M DØvqx c`v_© N mvjdvi i. Avqib cv‡Î wRsK ivLv hv‡e M weRviK Na2S2O3
9. d‡z qj †m‡j Zworwe‡køl¨ †KvbwU? ii. wRsK cv‡Î Avqib ivLv hv‡e N weRviK Na2S2O4
K KOH L NaCl iii. †Kvl wewµqv ¯^ZtùZ~ © n‡e 24. DÏxc‡Ki mgxKiY Gi cÖwµqvwU-
M H2SO4 N ZnCl2 wb‡Pi †KvbwU mwVK? K A¤øwgwZ L ÿviwgwZ
DÏxcKwU c‡o 10 I 11 bs cÖ‡kœi K i I ii L i I iii M Av‡qv‡WvwgwZ N Av‡qvwWwgwZ
DËi `vI : M ii I iii N i, ii I iii 25. CuSO4 `ªe‡Y 1F PvR© Øviv KZUzKz Cu
mwÂZ n‡e?
C60 wewkó c`v_© hvi C-C eÜb ˆ`N©¨ 16. Sunscreen †jvk‡b UV - iwk¥
1.4A . GwU AwZ cwievnx I jyweªK¨v›U cÖwZ‡iv‡a e¨enZ„ nq-
wnmv‡e e¨enZ„ nq| K TiO2 L ZnO K 22.09g L 23.05g
M CuO N Fe2O3
M 31.75g N 32.85g
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 K 2 N 3 M 4 L 5 N 6 K 7 M 8 L 9 K 10 L 11 L 12 L 13 K
14 K 15 L 16 L 17 M 18 N 19 M 20 K 21 M 22 L 23 L 24 M 25 M
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 73
73 G·K¬zwmf g‡Wj †U÷ 09 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv c~Y©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. H2SO4 Gi Zzj¨ fi KZ? 9. †Kvb Kvh©Kvix g~jKwU †gUv wb‡`©kK? 15. 20g M¨vm STP †Z 6.309L AvqZb
`Lj K‡i| M¨vmwUi bvg wK?
K 20 L 49 K NH2 L Cl
K O2 L N2
M 98 N 196 M COOH N OH M H2 N Cl2
2. H2S + SO2 S + H2O wewµqv‡Z 10. CH3CH2Cl + KOH(alc) A (cÖavb 16. Av`k© M¨v‡mi †ÿ‡Î ms‡KvPbkxj
Drcv`)
i. SO2 RviK A Gi ms‡KZ †KvbwU? ¸Yv‡¼i gvb KZ?
ii. H2S RviK K CH3CH2OH L CH2 = CH2 K0 L1
M 1.5 N2
iii. `wy U wewµq‡K S Gi RviY FYvZ¥K M (CH3CH2)2O N CH3 CH3 17. w¯’i ZvcgvÎvq O2 Gi rms †eM H2
wb‡Pi †KvbwU mwVK? 11. CaC2 + H2O A + Ca(OH)2 Gi rms †e‡Mi KZ¸Y?
K i L ii GLv‡b A †hŠM K 0.25 L4
M iii N ii I iii K g`„ y ÿviag©x M 16 N 321
L `wy U Ges 2wU wmMgv eÜb _v‡K 18. KZ ZvcgvÎvq evZv‡mi O2 Ges N2
3. CH3CN †hŠ‡M wmMgv Ges cvB M A¨v‡gvwbqvh³y wmjfvi bvB‡Uª‡Ui wewµqv K‡i?
e܇bi msL¨v h_vµ‡g KZwU? mv‡_ wewµqv K‡i K 1000C L 1200C
N A‰Re †hŠM
K 5, 2 L 4, 3 M 2000C N 3000C
M 5, 3 N 4, 2 DóxcK cGo 12 I 13 bs cÉGk²i Dîi 19. wb‡Pi †KvbwU jyBm ÿviK bq?
`vI : K H2O L ROH
4. LiAlH4 †hŠ‡M H Gi RviY gvb KZ? M CO N PCl3
5. 12. RMgX + B H2O A + Mg(OH)X
K +1 L 1 20. cvwbGZ ˆKvbwUi cwigvY ˆewk nIqv
6. B + NH3 †n·vwgb fvGjv?
M +4 N 4 K COD L BOD
A †hŠMwU
†dbd_¨vwj‡bi eY© cwieZ©‡bi pH i. jKy vm weKvi‡Ki mv‡_ Kÿ M DO N TDS
Gi cwimxgv KZ? ZvcgvÎvq wewµqv K‡i 21. 0C ZvcgvÎvq †Kvb M¨v‡mi AvqZb
ii. RviY Ki‡j A¨vjwWnvBW cvIqv
K 35 L 47 VL n‡j KZ ZvcgvÎvq Gi AvqZb
hvq
M 5.57.5 N 810 wظY n‡e?
†KvbwU ZvcgvÎvi Ici wbf©ikxj? K 273C L 273C
M 0C N 546C
i. bigvwjwU iii. RviY Ki‡j wK‡Uvb cvIqv hvq 22. IBTU = KZ K¨vjwi?
ii. kZKiv (W/V) wb‡Pi †KvbwU mwVK? K 252 L 4.18
M 10.55 N 2.52
iii. †gvj fMœvsk Ki L ii 23. wKDGjU kõwU ˆKvb wkG͸i ˆÞGò
M iii
wb‡Pi †KvbwU mwVK? N ii I iii cÉGhvRÅ?
K i L ii 13. B †hŠMwU K Kvu P L wm‡g›U
M iii N i I ii i. †dwjs `ªe‡Yi mv‡_ wewµqv K‡i M wmivwgK N KvMR
7. 500 mL †Wwm‡gvjvi `ªe‡Y KZ MÖvg ii. †cÖvwcb‡K I‡Rv‡bvjvBwmm K‡i cvIqv 24. A, B, C, D Gi weRviY wefe
Na2CO3 _v‡K? hvq h_vµ‡g 2.93, 0.25, 3.05,
iii. K¨vwbRv‡iv wewµqv cÖ`k©b K‡i 0.74 Volt. †gŠj¸‡jvi mwµqZvi
K 5.3 L 53 wb‡Pi †KvbwU mwVK? mwVK µg †KvbwU?
M 10.6 N 106 K i I ii L ii I iii K A>B>C>D
L C>A>D>B
8. KvBivj †K›`ªwewkó 2 A¨vj‡Kvnj M iii N i, ii I iii M B>C>A>D
†KvbwU? 14. wb‡Pi †Kvb †hŠMwUi ˆewkó¨g~jK N B>D>A>C
K 2-wg_vBj-2-weDUvbj 25. Cr2(SO4)3 `ªe‡Y 5.0A we`¨y r KZÿY
L weDUvbj-2 wewµqv n‡jv wbDwK¬I wdwjK Pvjbv Ki‡j K¨v‡_v‡W 2.5g Cr Rgv
cÖwZ¯’vcb wewµqv
n‡e?
M 2-wg_vBj-1-weDUvbj K †cÖvwcb L †dbj
K 3093 min L 2783 min
M wg_vb¨vj N wg_vBj †K¬vivBW
N 3-wg_vBj-weDUvbj-1 M 2783 sec N 278 sec
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 L 2 K 3 N 4 L 5 N 6 N 7 K 8 K 9 M 10 L 11 M 12 L 13 N
14 N 15 N 16 L 17 M 18 N 19 N 20 M 21 L 22 K 23 K 24 L 25 M
84 G·K¬zwmf g‡Wj †U÷ 10 welq ˆKvW : 1 7 7
mgq : 25 wgwbU imvqb wØZxq cÎ eûwbe©vPwb Afxÿv cY~ ©gvb : 25
[we. `ª. : mieivnK…Z eûwbe©vPwb Afxÿvi DËic‡Î cÖ‡kœi µwgK b¤^‡ii wecix‡Z cÖ`Ë eY©msewjZ e„Ëmg~n n‡Z mwVK/m‡e©vrK…ó Dˇii e„ËwU ej c‡q›U Kjg Øviv m¤ú~Y© fivU Ki|]
1. wb‡¤œi †KvbwU wgVv cvwbi Drm? 9. 'Y' †hŠMwUi bvg n‡jv 17. †Kvb k‡Z© ev¯Íe M¨vm Av`k© M¨v‡mi
K mg‡y `ªi cvwb L f‚-Mf©¯’ cvwb K †ebwRb Wvqv‡Rvwbqvg †Kv¬ ivBW gZ AvPiY K‡i?
M b`xi cvwb N cyKz‡ii cvwb L 2-bvB‡Uªv †ebwRb K D”PPv‡c I wb¤œ ZvcgvÎv
2. †KvbwU B‡jK‡UªvdvBj?
M 2-bvB‡Uªv A¨vwbwjb L D”P ZvcgvÎv I wb¤œPv‡c
K H2O L RMgX N †gUvbvB‡Uªv A¨vwbwjb M D”P ZvcgvÎv I D”PPv‡c
M FeCl3 N NH3 10. C6H4Cl2 Gi KqwU mgvYy Av‡Q? N wb¤œ Pv‡c I wb¤œ ZvcgvÎvq
18. 27 g Al K¨v‡_v‡W Rgv n‡Z wK
3. GwmW e„wói Rb¨ `vqx †KvbwU? K1 L2
cwigvY we`y¨‡Zi cÖ‡qvRb?
K SO2 L CO2 M3 N4
M NH3 N CO 11. BDwiqv mvi Rwg‡Z †KvbwU mieivn K 1 F L3F
4. wMÖb nvDm M¨vm n‡jv K‡i? M 3F N 13 F
i. CO2 K O2 LS 19. wb‡Pi †KvbwU welg Pvw·K †hŠM?
MP NN
ii. CH4 K mvB‡K¬v‡n‡·b L wdDivb
iii. N2O DóxcKwU cGo 12 I 13 bs cÉGk²i M b¨vc_vwjb N mvB‡K¬v‡cÖv‡cb
Dîi `vI :
wb‡Pi †KvbwU mwVK? P wÕ©i 20. wb‡Pi gj~ K¸‡jvi g‡a¨ †KvbwU
K i I ii L ii I iii AMÖMY¨?
M i I iii N i, ii I iii K NH2 L CHO
5. C| H3 Gi bvg n‡jv V M COOH N CONH2
CH3 C CHO DóxcKwU cGo 21 I 22 bs cÉGk²i
|
XT
OH
12. 'X' we›`y‡Z ZvcgvÎv n‡jv Dîi `vI :
K 2-nvBWªw·-2-wg_vBj †cÖvcvb¨vj
L 2-wg_vBj-2-nvBWªw·-weDUvb¨vj i. 273 K 3.65 g 5% (W/V)
M 2-nvBWªw·-2-wg_vBj weDUvb¨vj ii. 273C HCl Na2CO3
100 mL
`ËeY
N 2-wg_vBj-†cÖvcvbj-2 iii. 0 K (I) bs (II) bs
21. (ii) bs `ªe‡Y NbgvÎv †gvjvwiwU‡Z
6. evsjv‡`‡ki cÖavb R¡vjvwb †KvbwU? wb‡Pi †KvbwU mwVK?
7.
K cÖvK…wZK M¨vm L Kqjv K i I ii L ii I iii KZ?
M †Zj N cvigvYweK Pjz xø M i I iii N i, ii I iii K 1.0 M L 0.75 M
`ye©j GwmW I mej ÿvi‡Ki 13. DÏxcK Abmy v‡i †Kvb m¤úK©wU mwVK? M 0.47 M N 0.27 M
UvB‡Uªk‡b Dch³y wb‡`©kK †KvbwU? K PV = K L P1V1 = P2V2 22. (ii) bs `ªeY‡K m¤úY~ © cÖkwgZ Ki‡Z
T1 T2
K wjUgvm L wg_vBj A‡iÄ (i) bs `ªe‡Yi 10 mL cÖ‡qvRb n‡j
M †dbd_¨vwjb N wg_vBj †iW M V = K N V1T1 = V2T2 (ii) bs `ªe‡Yi AvqZb KZ?
T
K 20.4 mL L 16.5 mL
DóxcKwU cGo 8 I 9 bs cÉGk²i Dîi 14. Pt, H2/H+ Gi mv‡_ †KvbwU A¨v‡bvW
M 10.6 mL N 5.3 mL
`vI : wn‡m‡e Dchy³? 23. Sn2+ + 2Hg2+ Sn4+ + 2Hg+
NO2 HH2NSOO34 ((MMvvpp)) K Zn2+/Zn L Ag+/Ag wewµqvq wb‡¤œi †KvbwU RvwiZ nq?
M Cu2+/Cu N Hg2+/Hg
Sn/HCl X Y K Sn2+ L Hg2+
[H]
15. STP †Z 3.4 g M¨v‡mi AvqZb 4.48 M Sn4+ N Sn4+
8. i. 'X' †hŠMwU GKwU ÿviK 16.
dm3 n‡j M¨vmwU n‡e 24. SI GK‡K 'R' Gi gvb †KvbwU?
ii. cÖwZ¯’vcK A‡_©v-c¨viv wb‡`©kK
K N2 L O2 K 0.082 L 1.987
iii. GwU GKwU cÖvBgvwi A¨v‡iv‡gwUK
M NH3 N CO2 M 8.314 N 4.8
A¨vwgb
Zwor we‡kølYKv‡j †KvbwU Av‡M PvR© 25. evsjvG`Gk cvbxq RGj AvGmÆwbGKi
wb‡Pi †KvbwU mwVK?
gy³ n‡e? MÉnYGhvMÅ gvòv KZ?
K i I ii L ii I iii
K Cu2+ L H+ K 0.10 ppm L 0.05 ppm
M i I iii N i, ii I iii M Pb2+ N Na+ M 0.05 g/L N 0.01 ppm
Self test 1 KLMN 2 KLMN 3 KLMN 4 KLMN 5 KLMN 6 KLMN 7 KLMN 8 KLMN 9 KLMN
10 KLMN 11 KLMN 12 KLMN 13 KLMN 14 KLMN 15 KLMN 16 KLMN 17 KLMN 18 KLMN
19 KLMN 20 KLMN 21 KLMN 22 KLMN 23 KLMN 24 KLMN 25 KLMN
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DËigvjv 1 L 2 M 3 K 4 N 5 K 6 K 7 M 8 N 9 N 10 M 11 N 12 L 13 M
14 K 15 M 16 K 17 L 18 M 19 L 20 M 21 M 22 M 23 K 24 M 25 L
NCTB KZ…©K cÖ`Ë P‚ovšÍ gvbeȇbi Av‡jv‡K
G·K¬wz mf g‡Wj †U÷ : m„Rbkxj
75 G·K¬zwmf g‡Wj †U÷ 11 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 M. DÏxc‡K ÷cKK Ly‡j w`‡j M¨vm wgkÖ‡Yi †gvU Pvc
PV (atm-L) B gas KZ n‡e wbY©q Ki| 3
N. DÏxc‡K GKB DòZv I Pv‡c A I B Gi g‡a¨ †KvbwUi
A gas e¨vcb nvi †ewk n‡e? MvwYwZKfv‡e we‡kølY Ki| 4
25 C
5
P (atm) 50 mL 50 mL
0.1 M
K. GwmW e„wó Kx? 1 †mw›U‡gvjvi NaOH
H2SO4
L. H2SO4 Ges HClO4 Gi g‡a¨ †KvbwU kw³kvjx GwmW cvÎ-A cvÎ-B
Ges †Kb? 2 K. weRviK Kx? 1
M. DÏxc‡Ki A M¨v‡mi 2.5 g 0.97 atm Pv‡c 400 mL L. †gvjvi `ªeY ZvcgvÎvi Dci wbf©ikxj e¨vL¨v Ki| 2
AvqZb `Lj K‡i| M¨vmwUi AvYweK fi KZ? 3 M. DÏxc‡Ki 'B' `ªe‡Yi NbgvÎv ppm GK‡K cÖKvk Ki| 3
N. DÏxc‡K A I B Gi g‡a¨ †KvbwU Av`k© M¨v‡mi N. DÏxc‡Ki A I B cv‡Îi wgwkÖZ `ªe‡Yi cÖKw… Z
Ae¯v’ i mgxKiY †g‡b Pj‡e bv KviY mgxKiYmn we‡kølY Ki| 4
we‡kølY Ki| 4 6
2.5 g Fe
2 A GKwU GK Kve©bwewkó A¨vjKvBj n¨vjvBW|
jNy `ªeY 22.5 mL K2`CªerY2O7
0.03 M
H2SO4 100 mL
KMnO4
(I) (II) (III)
K. Kvh©Kix g~jK Kx? 1 K. UvB‡Uªkb Kx? 1
L. wmGdwm wKfv‡e I‡Rvb ¯Íi aŸsm K‡i? 2 L. Na2S4O6 †hŠ‡Mi S Gi RviY msL¨v wnmve Ki| 2
M. DÏxc‡Ki (I) bs `ªeY Ges (III) bs `ªe‡Yi msNwUZ
M. DÏxc‡Ki A Gi mv‡_ NaOH Gi wewµqvi †KŠkj wewµqv‡K Avqb B‡jKUªb c×wZ‡Z mgZv Ki| 3
e¨vL¨v Ki| 3 N. DÏxc‡Ki (I) bs Gi 10 mL †K RvwiZ Ki‡Z (II) bs
N. DÏxc‡Ki X Gi mv‡_ bvB‡Uªv‡ebwR‡bi mwµqZvi `ªeY e¨enZ„ n‡j bgybvq Fe Gi kZKiv cigvY
Zzjbv †i‡Rv‡bÝmn we‡kølY Ki| 4 MvwYwZKfv‡e we‡kølY Ki| 4
3 HC CH Fe A 7 Al(s)/Al3+ (0.25 M) || Sn2+(0.3 M)/Sn(s)
400 C 1 25C ZvcgvÎvq
K. KvBivj Kve©b Kx? (i) ESn/Sn2+_= 0.14 V; (ii) EAl/A3+ = 1.66 V; (iii) EFe/Fe2+ = 0.46 V
L. HCl Ges NH3 M¨v‡mi wgkÖ‡Y Dcv`v‡bi AvswkK Pvc K. d¨viv‡Wi 1g mÎ~ wU wjL| 1
wnmve Kiv hvq bv †Kbe¨vL¨v Ki| 2 L. jeY-†mZiz cÖ‡qvRbxqZv wjL| 2
M. DÏxc‡Ki wewµqKwU †_‡K A¨vjwWnvBW †hŠM cÖ¯‘wZ M. DÏxc‡Ki †KvlwUi †Kvl wewµqv †jL Ges †Kv‡li
wewµqvmn e¨vL¨v Ki| 3 wPwýZ wPÎ A¼b Ki| 3
N. DÏxc‡Ki A †_‡K we‡ùviK cÖ¯‘wZ wewµqvmn N. DÏxc‡Ki †KvlwU‡Z A¨v‡bvW wnmv‡e Fe/Fe2+ e¨envi
we‡kølY Ki| 4 Ki‡j †Kv‡li wefe KZ cwieZ©b n‡e Zvi wnmve
4 we‡klø Y Ki| 4
8 A n‡jv PxbvgvwUi evmbcÎ ˆZwi‡Z e¨enZ„ nq Ges B I C
h_vµ‡g ivmvqwbK wkíKviLvbv †_‡K wbM©Z Zij I M¨vm|
K. ETP Kx? 1
L. wm‡g›U wk‡í wRcmvg Gi cÖ‡qvRbxqZv Kx? 2
M. DÏxc‡Ki A Gi Drcv`b eY©bv Ki| 3
K. Av`k© M¨vm Kx? 1 N. DÏxc‡Ki B I C Gi `l~ K¸‡jv eY©bv Ki Ges G‡`i
L. SI GK‡K R Gi gvb wbY©q Ki| 2
wbqš¿Y †KŠkj we‡kølY Ki| 4
76 G·K¬zwmf g‡Wj †U÷ 12 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 cvBivBUm AvKwiK + ZvcRviY = M¨vm (a) 5 wb‡Pi wPÎwU jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
Pzbvcv_i + Zvcxq we‡qvRb = M¨vm (b) +
K. Kve©vbvqb Kx? 1
L. `ye©j A‡¤øi Abey Üx ÿviK kw³kvjx nq †Kb? 2 200 mL
0.1 M MgCl2
M. DÏxc‡Ki M¨vm (a) Gi 25 C G RMS †eM KZ n‡e?3 K. RviY msL¨v Kx? 1
N. DÏxc‡Ki M¨vm `wy Ui cwi‡e‡ki Dci ÿwZKi cÖfve L. 3 Kv‡e©vwbqvg Avqb †ewk w¯w’ Zkxj †Kb? 2
Av‡jvPbv Ki| 4 M. DÏxc‡Ki `ªe‡Yi g‡a¨ 0.5 A Zwor 1h Pvjbv Ki‡j
2 wb‡Pi DÏxcKwU co Ges cÖkœ¸‡jvi DËi `vI : `ªe‡Yi NbgvÎv KZ n‡e? 3
†mjy‡jvR RvZxq e¨enZ„ N. DÏxc‡Ki `ªeYwU A cv‡Î ivLv hv‡e wKbv
KuvPvgvj (A) Drcv` (B) F Drcv` (C) MvwYwZKfv‡e hwy ³ `vI| 4
K. digvwjb Kx? 1 6 wb‡Pi QKwU jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
L. 96 MÖvg O2 Gi Rb¨ f¨vÛvi Iqvjm mgxKiY wjL| 2 (A) ÷vP©
M. A †_‡K B cÖ¯‘wZi c×wZ eY©bv Ki| 3 (B) †mj‡y jvR
N. C †_‡K Kxfv‡e B cby iæ×vi Kiv hvq Zvi eY©bv `vI| 4 K. wU.Gb.wU. Kx? 1
3 wb‡Pi wPÎwU jÿ Ki Ges cÖkœ¸‡jvi DËi `vI : L. †cvU©j¨vÛ wm‡g‡›Ui mshyw³ †`LvI| 2
B M. g‡bvgvi †_‡K Kxfv‡e (A) Drcbœ nq wewµqvmn
C
A †`LvI| 3
PV N. gvbly (B) RvZxq Lv`¨ nRg Ki‡Z bv cvi‡jI
RT
Mevw`cï cv‡i we‡kølY Ki| 4
P (atm)
1 7 wb‡Pi wPÎwU jÿ Ki Ges cÖkœ¸‡jvi DËi `vI :
K. b¨v‡bv cvwU©‡Kj Kx?
L. B_vBb A¤øagx© †Kb? 2 100 mL 200 mL
0.5 M 0.2 g
M. M¨v‡mi MwZZË¡ †_‡K A M¨v‡mi GKwU AYyi MwZkw³ H2SO4 A+B NaOH
wbY©‡qi mgxKiY cÖwZôv Ki| 3 1g cvÎ (A) 3q cvÎ (D) 2q cvÎ (B) 1
N. DÏxc‡Ki B I C M¨v‡mi g‡a¨ †KvbwU mn‡R K. wb‡`©kK Zwo`Ø& vi Kx?
ZijxKiY m¤¢e Ges †Kb hwy ³ `vI| 4 L. A¨v‡gvwbqv‡K jyBm ÿvi ejv nq †Kb? e¨vL¨v Ki| 2
M. 'A' cv‡Îi `ªe‡Yi NbgvÎv ppm GK‡K wbY©q Ki| 3
4 A GKwU `By Kve©bwewkó ˆRe †hŠM hv IR spectra G N. 'D' cv‡Îi `ªe‡Yi pH wKiƒc n‡e KviYmn we‡kølY
e¨vÛmg~‡ni g‡a¨ 1740 cm-1 G GKwU wmMb¨vj cvIqv †Mj| Ki| 4
†hŠMwU wb¤œiƒc cixÿv †`q 8 wKQy cwigvY FeSO4 wb‡q A¤øxq 250 mL `ªeY ˆZwi Kiv
n‡jv| D³ `ªeY †_‡K 10 mL wb‡q UvB‡Uªkvb Kivi Rb¨
A + [O] K2Cr2O7 B (bxj wjUgvm jvj nq)
0.03 M KMnO4 Gi 12.2 mL cÖ‡qvRb n‡jv|
K. cig kb~ ¨ ZvcgvÎv Kx? 1 K. BwUwc Kx? 1
L. ˆRe †hŠ‡M Kv‡e©vw·wjK gj~ K kbv³KiY cixÿv wjL|2 L. †dbj A¤øagx© †Kb? 2
M. A †_‡K wKfv‡e A¨vj‡Kb cÖ¯‘Z Ki‡e? 3 M. DÏxc‡Ki Rvi‡Ki cwie‡Z© K2Cr2O7 e¨envi Ki‡j
†m‡ÿ‡Î msNwUZ wewµqvi Avqb B‡jKUªb c×wZ‡Z
N. DÏxc‡Ki A I B Gi g‡a¨ GKwU‡Z wbDwK¬IwdwjK
GwWkvb NU‡jI AciwU‡Z bv NUvi KviY we‡kølY mgZv weavb Ki| 3
Ki| 4 N. DÏxc‡Ki cv‡Îi `ªe‡Y Fe2+ cwigvY wbY©q Ki| 4
m„Rbkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 77
77 G·K¬wz mf g‡Wj †U÷ 13 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ mR„ bkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 GKwU M¨v‡mi 25 C ZvcgvÎvq I wewfbœ Pv‡c AvqZb 5
wb¤œiƒc 1.5 gm Aweï× Kcvi
Pvc (atm) 0.50 1.00 1.25 100 mL
0.2 M
AvqZb (L) 1.40 0.70 0.56 Mvp H2SO4 KI Na2S2O3
50 mL `ªeY `ªeY
K. SATP Kx? 1 1bs cvÎ 2bs cvÎ 3bs cvÎ
L. SI GK‡K R Gi gvb wbY©q Ki| 2 K. †iwmwgK wgkÖY Kx? 1
M. DÏxc‡Ki M¨vmwUi AYyi msL¨v wbY©q Ki| 3 L. 300 ppm NbgvÎvi `ªeY‡K cÖgvY `ªeY ejv nq †Kb? 2
M. DÏxc‡Ki cÖgvY `ªeYwU‡K wKfv‡e †mw›U‡gvjvi `ªe‡Y
N. DÏxc‡Ki M¨vmwU wK e‡q‡ji mÎ~ Abmy iY Ki‡e?
hwy ³mn e¨vL¨v Ki| 4 cwiYZ Kiv hvq? 3
2 N. DÏxc‡Ki `ªeY¸‡jv e¨envi K‡i Aweï× Kcv‡ii
M †fRv‡ji kZKiv cwigvY wn‡me Ki| 4
Z=1 L 6
P(atm) 15 gm 1% (W/V)
Na2CO3 HCl
800 ml
`ªeY
`ªeY
1L
M M¨vmwU cUvwkqvg †K¬v‡i‡Ui Zvcxq we‡qvR‡b Drcbœ nq| 1bs cvÎ 2bs cvÎ
K. cvwbi TDS Kx? 1 K. Abygvcb Kx? 1
L. HCO3 Avqb Dfqag©x c`v_© †Kb? 2 L. †gvjvi `ªeY I †gvjvj `ªe‡Yi cv_©K¨ wjL| 2
M. 27 C ZvcgvÎvq DÏxc‡Ki 5.5 gm M M¨v‡mi M. 1bs cv‡Îi 10 mL `ªeY‡K cÖkwgZ Ki‡Z 2bs cv‡Îi
MwZkw³ wbY©q Ki| 3 KZUKz z `ªeY cÖ‡qvRb n‡e| 3
N. DÏxc‡Ki GKwU M¨vm Av`k© AvPiY bv Kivi KviY N. DÏxc‡Ki D‡jøwLZ Dfq cv‡Îi `ªe‡Yi wgwkÖZ `ªe‡Yi
mgxKiYmn we‡kølY Ki| 4 cÖKw… Z wKiƒc we‡kølY Ki| 4
3 (i) C6H5Cl 10%NaOH B jcNvy ZHbCl C 7
350 C150 atm
A `ªe‡Y Cl mbv³Ki‡Y e¨en„Z weKviK
(ii) C2H5Cl D A `ªeY Zn cvÎ
NaOH(aq)
K. jyKvm weKviK wK? 1 wmjfvi Ges wR‡¼i weRviY wef‡ei gvb h_vµ‡g 0.799 V
L. †cÖvUb A¨vgvB‡bv Gwm‡Wi cwjgvi - e¨vL¨v Ki| 2 Ges 0.76 V
M. DÏxc‡Ki C †hŠM n‡Z GKwU e¨_vbvkK Jlay cÖ¯‘wZ K. dz‡qj †mj Kx? 1
mgxKi‡Yi mvnv‡h¨ †`LvI| 3 L. jeY †mZzi fw‚ gKv wjL| 2
N. DÏxc‡Ki C Ges D Gi ivmvqwbK cÖKZ… we‡kølY M. DÏxc‡Ki cv‡Î msNwUZ †Kvl wewµqv †jL| 3
Ki| 4 N. DÏxc‡K D‡jøwLZ cvÎwU wKQwy `b ci wQ`ª n‡q hv‡e
4 C3H4 [A] + H2 Na [B] O3 AšÍe©Zx© †hŠM wKbv-we‡kølY Ki| 4
BaSO4 CCl4 1
8 A wk‡íi R¡vjvwb Kqjv
Zn [C] + [D] + ZnO + H2O
H2O
B wk‡íi Drm Na2SiO3.CaSiO3
K. Kve©vbvqb Kx?
L. A¨vjwWnvBW I wK‡Uv‡bi cv_©K¨ m~PK cixÿv mgxKiYmn C wk‡íi Drm big KvV
†jL| 2 K. ETP Kx? 1
M. DÏxc‡Ki A I B †hŠM `ywU‡K G‡`i wgkÖY †_‡K L. gvbe †`‡n †µvwgqv‡gi ÿwZKi cÖfve wjL| 2
Kxiƒ‡c c„_K Kiv hv‡e? 3 M. ÒBÓ Gi wk‡ívrcv`‡bi g~jbxwZ eY©bv Ki| 3
N. C I D †hŠ‡Mi g‡a¨ †KvbwU A¨vjWj Nbxfeb wewµqv N. evqy `~l‡Y A Ges C wk‡íi g‡a¨ †KvbwUi f‚wgKv
†`‡e e¨vL¨v Ki| 4 AwaK we‡kølY Ki| 4
mgq : 2 NÈv 35 wgwbU 78 G·K¬zwmf g‡Wj †U÷ 14 welq ˆKvW : 1 7 7
c~Y©gvb : 50
imvqb wØZxq cÎ mR„ bkxj cÖkœ
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi Z_¨¸‡jv jÿ Ki Ges cÖkœ¸‡jvi DËi `vI : M. DÏxc‡Ki ivmvqwbK c`v_©¸‡jv Øviv RviY weRviY
A(g) A(g) wewµqv wj‡L Aa©wewµqvq mvnv‡h¨ mgZv weavb Ki| 3
N. DÏxc‡Ki (i) bs (ii) bs Øviv wewµqv Ki‡Z (ii) bs
17 C 99.99 kPa PvGc 0.058 m3 STP ˆZ 0.0536 m3
K. DO Kx? 1 `ªe‡Yi KZ AvqZb cÖ‡qvRb Zv MYbv Ki| 4
L. Abey Üx GwmW I ÿviK Kx? 2 6 wb‡Pi Z_¨¸‡jv jÿ Ki
M. DÏxcK A M¨vmwUi fi 4.798 g n‡j AvYweK fi KZ (i) A(g)/A3+ (0.005 M) || Y2+ (0.01 M) | Y(g)
n‡e MYbv Ki| 3 EA/A3+ = + 1.66 volt, EY/Y2+ = 0.34 volt
N. A M¨vmwUi Av`k© bv ev¯Íe Zv we‡kølY Ki| 4 (ii)
2 CH3 CH2 OH + H2SO4 (Mvp) 160 170C A + 10 A
10 min
H2O + H2SO4
CH CH + H2O 2%HgSO4 B cby we©b¨vm M MCl2 M2+ + K4 [Fe(CN)6] mvav Aat
20% H2SO4
500 mL 0.5 M
`ªeY
K. KvBivj Kve©b Kx? 1 K. d¨viv‡Wi mÎ~ wU wee„Z Ki| 1
L. gviKwbKf wbqgwU e¨vL¨v Ki| 2 L. d‡z qj †m‡j A¨v‡bvW I K¨v‡_v‡Wi wewµqvmg~n wjL| 2
M. M †hŠ‡Mi Kvh©Kix gj~ KwU mbv³KiY Ki| 3
N. A I M †hŠM؇qi ˆewkó¨cY~ © wewµqv wfbœ wfbœ hwy ³mn M. DÏxcK (i) bs †KvlwU 27 C ZvcgvÎvq emf wnmve
we‡kølY Ki| 4 Ki| 3
3 (i) CH3OH + PCl5 P + HCl + POCl3 N. Zwor cÖev‡ni ci `ªe‡Yi Aewkó M2+ †K K¨v‡_v‡W
(CH3)3COH + PCl5 Q + HCl + POCl3 Rgv Ki‡Z KZ Kzj¤^ PvR© cÖevwnZ Ki‡Z n‡e MYbv
(ii) C6H5MgCl + H2O R + Mg(OH)Cl 1 Ki| 4
K. MøvB‡KvmvBwWK eÜb Kx? 7 GKwU wk‡íi e¨en„Z KuvPvgvj n‡jv
L. (i) R CO R + [H] Zn Hg cY~ © Ki| 2 (i) K¨vj‡Kwiqvm c`v_©
(ii) Avi‡R‡jwmqvm c`v_©
HCl
(ii) CH3 I + Na ÷Ó•B^vi c~Y© Ki| 3 (iii) CaSO4.2H2O c`v_© 1
M. R †_‡K we‡ùviK Gi cÖ¯‘wZ wjL| K. b¨v‡bv KYv Kx?
N. P I Q Gi g‡a¨ †KvbwU mn‡RB SN1 wewµqv w`‡e L. KvP cÖ¯‘wZ A¨vwbwjs cÖ‡qvRb †Kb e¨vL¨v Ki| 2
e¨vL¨v Ki| 4 M. DÏxcK wk‡íi `~lKmg‡~ ni gvb‡y li Dci cÖfve e¨vL¨v Ki| 3
4 wb‡Pi Z_¨¸‡jv jÿ Ki N. DÏxcK wk‡íi Kvu Pvgvj †_‡K wk‡ívrcv`‡bi g~jbxwZ wjL| 4
10 mL 0.2 M 15 mL 0.15 M 8 wb‡Pi wPθ‡jv jÿ Ki
Na2CO3 HCl
(i) (ii)
K. †gvjvi `ªeY Kx? 1
L. †Wwm‡gvjvi `ªeY GKwU cÖgvY `ªeY e¨vL¨v Ki| 2
M. DÏxcK (i) `ªe‡Yi NbgvÎv‡K ppm GK‡K cÖKvk Ki| 3
N. `ªeYØq GK‡Î wgwkÖZ Ki‡j `ªe‡Yi pH KZ n‡e MYbv
Ki| 4
5 wb‡Pi Z_¨¸‡jv jÿ Ki K. AvB‡mv‡Kvi Kx? 1
1.5 g NaCl 0.095 M L. jyBm gZev‡` A¤ø I ÿviK Kx? 2
A¤xø q
K2Cr2O7 M. DÏxcK (i) M¨vmØq‡K miæ bj Øviv hy³ Ki‡j AvswkK
(i) (ii)
K. j¨v¤^vU© m~ÎwU weeZ„ Ki| 1 I †gvU Pvc KZ n‡e MYbv Ki| 3
L. CH3COOH I NaOH Gi UvB‡Uªkb †Kvb wb‡`©kK N. DÏxcK (i) Gi M¨vmwU gvbe Kj¨v‡Y wKfv‡e e¨en„Z
Dch³y e¨vL¨v Ki| 2 nq Zv e¨vL¨v Ki| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 79
79 G·K¬wz mf g‡Wj †U÷ 15 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 5 A + H2 Hg2+/2H+ B CH3MgX C
H2O
H2SO4 70 mL A wZb Kve©bwewkó Am¤ú³„ †hŠM|
50 mL 2.5%
NaOH K. †clY ¸Yv¼ Kx? 1
†mwg †gvjvi
L. A¨vwbwj‡bi bvB‡Uªk‡b †gUv Drcv` cvIqv hvq †Kb? 2
1g cÎ 2q cÎ
M. C †hŠM‡K Cu mn Zvc w`‡q I‡Rv‡bvjvBwmm Ki‡j
K. Zij-Zij Rvskb c‡Ubwkqvj Kx? 1
wK ˆZwi nq? 3
L. Kv‡P A¨v‡bwjs †Kb Kiv nq? 2
N. B I C †hŠ‡Mi Kvh©Kix g~jK kbv³KiY ivmvqwbK I
M. DÏxc‡Ki 2bs cv‡Îi NbgvÎv ppm GK‡K †ei Ki| 3
IR eY©vjxi mvnv‡h¨ wKfv‡e Ki‡e Zv we‡kølY Ki| 4
N. DÏxc‡Ki `ªeYØq wgwkÖZ Ki‡j D³ `ªe‡Yi cÖK…wZ I
6
NbgvÎv we‡kølY Ki| 4
2 0.105 g 95%
CaC2O4 Pbz vcv_i
Gi `ªeY
cvÎ-1 cvÎ-2
mgvYyK A jyKvm weKvi‡Ki mv‡_ Kÿ ZvcgvÎvq wewµqv K. Kvwe©bj Kx? 1
K‡i bv| L. A¨vjwKb A‡cÿv A¨vjKvB‡bi eÜb ˆ`N©¨ Kg †Kb?
mgvYyK B jKy vm weKvi‡Ki mv‡_ 5 †_‡K 10 wgwb‡Ui g‡a¨ e¨vL¨v Ki| 2
wewµqv K‡i| M. cvÎ-1 G A¤øxq KMnO4 †hvM Ki‡j †h wewµqv N‡U
Zv Avqb B‡jKUªb c×wZ‡Z mgZv weavb Ki| 3
K. SATP Kx? 1
L. †cvU©j¨vÛ wm‡g›U †K nvBWªwjK wm‡g›U ejv nq †Kb? 2 N. 1bs cv‡Îi `ªe‡Yi mv‡_ A¤øxq K2Cr2O7 Gi wewµqvq
†h cwigvY CO2 cvIqv hvq Zv ˆZwi Ki‡Z cvÎ-2 Gi
M. C †hŠM n‡Z E †hŠM ˆZwii †KŠkj †jL| 3
N. A I B †hŠ‡Mi g‡a¨ †KvbwU Av‡qv‡Wvdg© wewµqv †`q KZ MÖvg jvM‡e MvwYwZKfv‡e we‡kølY Ki| 4
we‡kølY Ki| 4 7
3
A
Fe2+/Fe = 0.44 volt
Cu2+/Cu = 0.34 volt
1M FeSO4 2M CuSO4 K. U‡UvgvwiRg Kx? 1
AB L. CFC wKfv‡e I‡Rvb ¯Íi‡K ÿq K‡i? 2
K. d¨viv‡W Kx? 1 M. ZvcgvÎv GKB _vK‡j 3q cv‡Îi Pvc †ei Ki| 3
L. †Kvb bgby vq BOD A‡cÿv COD †ewk nq †Kb? 2 N. DÏxc‡Ki A I B M¨v‡mi e¨vcb nvi Kvi †ewk e¨vL¨v
M. †KvlwUi emf †ei Ki| 3 Ki| 4
N. B cvÎwU Fe wbwg©Z n‡j †KvlwUi `xN© mgq msiÿ‡Yi 8 GKwU M¨v‡mi wewfbœ Pv‡c AvqZb †`qv Av‡Q|
†ÿ‡Î †Zvgvi gZvgZ we‡kølY Ki| 4
4 P1234
K¨vj‡Kwiqvm Dcv`vb P‚Y©KiY wRcmvg Drcv` V61 2 2 1
Avi‡R‡jwmqvm Dcv`vb
K. †µv‡gv‡dvi Kx?
K. U¨vwbs Kx? 1 L. FeSO4 Gi Rjxq `ªe‡Yi pH wKiƒc nq? e¨vL¨v Ki| 2
M. DÏxcK n‡Z PV ebvg P †jLwPÎ A¼b K‡i Gi
L. wk‡í †Kb ETP †ei Kiv nq? 2 cÖKw… Z e¨vL¨v Ki| 3
M. DÏxc‡Ki Drcv` cÖ¯‘wZi g~jbxwZ †jL| 3 N. †Kvb k‡Z© PV ebvg P †jLwPÎ P A‡ÿi mgvšÍivj
N. DÏxc‡Ki Drcv` cÖ¯‘wZ‡Z mó„ `l~ ‡Ki cÖfve we‡kølY Ki| 4 n‡e e¨vL¨v Ki| 4
80 G·K¬wz mf g‡Wj †U÷ 16 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 wb‡Pi DÏxcKwU jÿ Ki 5
(i) 2NaOH + CO2 X + H2O 25 C, 1.36 g 25C, 2.21 g 25C
5 dm3
Av‡jv 740 mm (Hg) 150 kPa
500 cm3 1 dm3 cvÎ-C
(ii) CH4 + Cl2 CH3Cl + Y
cvÎ-A cvÎ-B
[2.65 g 250 ml 'X' Ges 10 ml 0.1 m Y]
K. GwmW ew„ ó Kx?
K. Kvcwjs wewµqv Kx? 1 1
L. Bw_b wbi‡cÿ A_P A¨vjKvBb-1 A¤øagx© †Kb? 2 L. HSO4 Avqb Dfagx© e¨vL¨v Ki| 2
M. (i) bs wewµqvq Drcbœ 'X' D‡jøLc~e©K NbgvÎv ppm M. C cv‡Î A I B cv‡Îi M¨vmØq ivL‡j †gvU Pvc KZ
GK‡K wbY©q Ki| 3 n‡e? wbY©q Ki| 3
N. (i) bs wewµqvq Drcbœ 'X' Gi 10 ml Gi mv‡_ (ii) bs N. A I B cv‡Îi M¨vm `wy Ui g‡a¨ †KvbwU AwaK nv‡i
wewµqvq Drcbœ 'Y' `ªeY †hvM Ki‡j wgkÖ‡Yi cÖK…wZ wbtmwiZ n‡e| MvwYwZKfv‡e we‡kølY Ki| 4
†Kgb n‡e? MvwYwZKfv‡e we‡kølY Ki| 4 6
2 KuvPv Pvgov + b`xi ETP cwi®‹vi
†µvg †Uªwbs cvwb cÖhyw³ cvwb
60 ml H2SO4 40 ml †mwg‡gvjvi 40 ml 0.5 M
= NaOH `ªeY + K. BTU Kx? 1
`ªeY Na2CO3 `ªeY
cvÎ-A cvÎ-B cvÎ-C L. AbyeÜx A¤ø I AbyeÜx ÿviK e¨vL¨v Ki| 2
K. RMS †eM Kx? 1 M. DÏxc‡K 1bs av‡c wKfv‡e Pvgov‡K U¨vwbs Kiv nq? 3
L. K¨v‡jv‡gj B‡jK‡UªvW‡K †m‡KÛvix B‡jK‡UªvW ejv N. DÏxc‡K wKfv‡e cvwb `~wlZ n‡”Q? eR©¨ we‡kva‡b 3q
nq †Kb? 2 avc wKfv‡e cvwb `l~ Y †iv‡a mvnvh¨ K‡i hyw³mn
M. DÏxc‡Ki `ªeY B I C Øviv m¤úY~ © cÖkgb K‡i A we‡kølY Ki| 4
cv‡Îi `ªe‡Yi NbgvÎv wbY©q Ki| 3 7
N. DÏxc‡Ki B `ªeY Øviv A `ªe‡Yi UvB‡Uªkb Ki‡Z 1.3 g
†Kvb wb‡`©kK Dch³y n‡e? wPÎmn KviY e¨vL¨v Ki| 4 Aweï× Kcvi 100 mL
Mvp H2SO4 0.2 M
3 KI Na2S2O3
50 mL
`ªeY cvÎ-3
cvÎ-1
cvÎ-2
K. †gvjvwiwU Kx? 1
K. COD Kv‡K e‡j? 1 L. CFC wKfv‡e I‡Rvb ¯Íi‡K ÿq K‡i? 2
L. †jW avZz wKfv‡e wn‡gv‡Møvweb webó K‡i? e¨vL¨v Ki| 2 M. DÏxc‡Ki cÖgvY `ªeYwU‡K wKfv‡e †mw›U‡gvjvi `ªe‡Y
M. C †_‡K D wKfv‡e cÖ¯‘Z Kiv hvq, Zv mgxKiYmn cwiYZ Kiv hvq? 3
eYb© v Ki| 3 N. Dc‡ii `ªeY¸‡jv e¨envi K‡i Aweï× Kcv‡ii
N. 'B' Gi ej‡qi Dci Gi cÖwZ¯’vcKwU cÖfve we¯Ívi †fRv‡ji kZKiv cwigvY †ei Ki| 4
K‡i †i‡Rvb¨vÝ Gi Av‡jv‡K we‡kølY Ki| 4 8
4 Ni(s) + Pb2+(aq) Ni2+(aq) + Pb(s)
GLv‡b, E0Ni2+/Ni = 0.25 V Ges E0Pb2+/Pb = 0.126 V
K. †ccUvBW eÜb Kx? 1
L. KvP ˆZwi‡Z A¨vwbwjs `iKvi †Kb? 2 K. wd« i¨vwW‡Kj Kx? 1
M. DÏxc‡Ki wewµqvq Abmy v‡i †Kvl MVb Ki Ges †Kvl L. wMÖMbvW© weKviK †_‡K wKfv‡e ˆRe GwmW cv‡e? 2
wewµqvq †`LvI| 3 M. wewµqvmn A, B, C wPwýZ Ki| 3
N. wewµqvwU ¯^ZtùZ‚ © wKbv †Kvl wefe wbY©‡qi gva¨‡g N. B I C Gi g‡a¨ cv_©K¨ wba©viYKvix `wy U cixÿv D‡jøL
e¨vL¨v Ki| 4 Ki| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 81
81 G·K¬zwmf g‡Wj †U÷ 17 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 5
P1 V1 P2 Vx P2 V2
T1 T1 T2
K. CAN Kx? 1
L. Av‡qv‡WvwgwZK c×wZ‡Z Zz‡u Zi `ªeY e¨envi Kiv nq
†Kb? 2 K. MøvB‡KvmvBW eÜb Kx? 1
M. DÏxcK g‡Z, M¨vmwU wZbwU Ae¯v’ q †h †h k‡Z© L. B‡j±ªbvKlx© hyZ wewµqvq A¨vjwKb A¨vjKvBb A‡cÿv
Ae¯v’ b K‡i Zv cÖKv‡ki Rb¨ GKwU mvaviY mÎ~ mwµq †Kb? 2
cÖwZcv`b Ki| 3 M. DÏxc‡Ki (i) bs wewµqvwUi †KŠkj Av‡jvPbv Ki| 3
N. DÏxc‡Ki wewµqv `wy U‡Z cÖfveK cwieZ©‡bi
N. DÏxcK g‡Z, w¯’i ZvcgvÎvq Pv‡ci mv‡_ AvqZ‡bi
Ges w¯’i Pv‡c AvqZ‡bi mv‡_ ZvcgvÎvi cwieZ©b †hŠw³KZv e¨vL¨v Ki| 4
†jLwPÎ AsKb K‡i Zzjbv K‡i †`LvI| 4
2 CH2 = CH CH3 + HCl A(90%) + B(10%) 6 + B2 450 C C Kve©v‡gU D
K. c¨vivwmUvg‡ji ms‡KZ wjL| A2
200 atm
1 K. IqvUvi M¨vm Kx? 1
L. H3PO4 Gi ÿviKZ¡ †ei Ki| 2 L. A¨vj‡Kvnj I B_v‡ii g‡a¨ `yBwU cv_©K¨ wjL| 2
M. DÏxc‡Ki †hŠMwUi C3H6 Gi eÜb †KvY e¨vL¨v Ki| 3 M. D Gi `l~ K¸‡jv ÿwZKi cÖfve †d‡j e¨vL¨v Ki| 3
N. cviA·vBW e¨envi Ki‡j wewµqvwUi Drcv‡`i †Kv‡bv N. Drcv`b C Gi 99.7% cvIqvi Rb¨ cÖ‡qvRbxq
cwieZ©b n‡e Kx? Dˇii c‡ÿ hwy ³ †`LvI| 4 kZ©mgn~ Av‡jvPbv Ki| 4
3 Imperial Chemical Industry (ICI) Zv‡`i 1 bs cøv‡›U 7 A Ges B `yBwU wiPv‡Re© j e¨vUvwi| e¨vUvwi A AvBwc Gm,
gUiMvwo‡Z Aciw`‡K e¨vUvwi B j¨vcUc, †mj‡dvb
H2SO4 I 2bs cøv‡›U HNO3 Drcv`b K‡i| weÁvbxiv BZ¨vw`‡Z e¨en„Z nq|
London Smog mw„ ói Rb¨ ICI †K †`vlv‡ivc Ki‡Qb|
K. LNG Kx? 1
L. evwYwR¨Kfv‡e N2 wKfv‡e Drcbœ Kiv nq? 2 K. †g‡mv †hŠM Kx? 1
M. 1bs I 2bs cøv‡›Ui g³y A·vBW¸‡jv wKfv‡e gvwUi L. gvbe kix‡i fvix avZz wKfv‡e cÖ‡ek K‡i? 2
pH Kwg‡q †`q? e¨vL¨v Ki| 3 M. A Gi †Kvl wewµqv wjL| 3
N. DÏxc‡Ki 1bs I 2bs cøv›U KZ©…K m„ó `~lY I Gi N. e¨vUvwi A Gi Zzjbvq B †ewk cwi‡ek evÜe
†_‡K cwiÎvY cvIqvi Dcvq¸‡jv ms‡ÿ‡c Av‡jvPbv we‡kølY Ki| 4
Ki| 4 8 1
H2(g) + 2O2(g) H2O(l)
4 (i) Cu2+ + I Cu+ + I2
K. I‡qU e–ø Pvgov Kx? 1
(ii) I2 + S2O32 S4O62 + I
1 L. Cu jNy H2SO4 Gi mv‡_ wewµqv K‡i bv wKš‘ Mvp
K. Plane Polarized light Kv‡K e‡j? 2
H2SO4 Gi mv‡_ wewµqv K‡i †Kb? 2
L. weq¨vi-j¨v¤^vU© m~ÎwUi cÖ‡hvR¨Zv wjL|
M. DÏxc‡Ki (ii) bs wewµqvwU GKwU wiW· wewµqv M. DÏxc‡Ki wewµqv GKwU wiW· wewµqv e¨vL¨v Ki| 3
e¨vL¨v Ki| 3 N. DÏxc‡Ki wewµqv †_‡K ¯^Ztù‚Z©fv‡e Zwor cÖevn
N. DÏxc‡Ki wewµqv `wy Ui Av‡jv‡K Cu2+ Gi cwigvY †c‡Z Kx e¨e¯’v MÖnY Ki‡Z n‡e e‡j Zzwg g‡b Ki?
wbY©‡qi gvwÎK mgxKiY cÖwZôv Ki| 4 Dˇii c‡ÿ hwy ³ †`LvI| 4
82 G·K¬wz mf g‡Wj †U÷ 18 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ mR„ bkxj cÖkœ cY~ ©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi c~Y©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cvu PwU cÖ‡kœi DËi w`‡Z n‡e|]
1 M. 1g Ges 2q cv‡Îi `ªe‡Yi g‡a¨ msNwUZ RviY-
weRviY wewµqvwU Avqb B‡jKUªb c×wZ‡Z mgZv
weavb Ki| 3
N. 1g I 2q cv‡Îi `ªeY w`‡q 3q cv‡Îi bgby vwUi Fe2+
†K m¤ú~Y©iƒ‡c Fe3+ G RvwiZ Kiv m¤¢e wKbv?
MvwYwZfv‡e we‡kølY Ki| 4
5 HCl + POCl3 + Y PCl5 X NaOH + H2O
K. Zwor ivmvqwbK Zzj¨vsK Kx? 1 K. AbyeÜx ÿviK Kx? 1
L. mvB‡K¬v‡cÖvwcb Avqb wK A¨v‡iv‡gwUK †hŠM? e¨vL¨v L. †Kv‡bv †hŠ‡Mi Av‡jv‡K mwµqZv cÖ`k©‡bi kZ©¸‡jv
Ki| 2 e¨vL¨v Ki| 2
M. DÏxc‡K A cv‡Îi M¨v‡mi †gvU MwZkw³ wbY©q Ki| 3 M. DÏxc‡Ki X-n‡Z GKwU R¡i I e¨_v wbeviK Jla
N. DÏxc‡Ki C cv‡Îi †gvU Pv‡c †Kvb M¨vmwUi Ae`vb cÖ¯‘wZ mgxKiYmn wjL| 3
†ewk MvwYwZKfv‡e e¨vL¨v Ki| 4 N. X I Y-G Dcw¯’Z cÖwZ¯’vc‡Ki Df‡qB †ebwRb ejq
2 (i) EX/X2+ = 0.7 V mwµq n‡e wK? e¨vL¨v Ki| 4
(ii) Ey/y2+ = + 0.3 V
6
(iii) EZ2+/z = + 0.5 V 1 K. †ccUvBW eÜb Kx? 1
K. wb‡`©kK Zwo`Ø& vi Kx?
L. †mjy‡jvR n‡jv D Møy‡Kv‡Ri cwjgvi e¨vL¨v L. †dbj A¤øagx© e¨vL¨v Ki| 2
Ki| 2 M. A †hŠM Drcv`‡b msNwUZ ivmvqwbK wewµqv¸‡jv
wjL| 3
M. Y avZiz cv‡Î Z avZzi je‡Yi `ªeY ivLv hv‡e
wKbvMvwYwZK we‡kølY Ki| 3 N. ETP c×wZ cÖ‡qvM K‡i A †hŠM Drcv`bKv‡j cÖvß
`~lK¸‡jv wbqš¿Y Kiv m¤¢e wK-bv Zv we‡kølY Ki| 4
N. DÏxc‡Ki †Kvb `wy U Zwo`Ø& vi Øviv wbwg©Z †Kvl Gi
wefe m‡e©v”P n‡e †Zvgvi gZvgZ `vI| 4 7 2-wg_vBj †cÖvwcb-1 O3 A H2O B + C
3 (i) CH3CH2CH2OH + [O] jNy H2SO4 + K2Cr2O7 C CCl4 Zn
(ii) B + [O] jNy H2SO4 + K2Cr2O7 D
[B †hŠMwU n‡jv †hŠ‡Mi Ae¯’vb mgvYy A] + ZnO + H2O
K. weqvi j¨v¤^vU© m~ÎwU wjL|
[B I C h_vµ‡g wZb Kve©b Ges GK Kve©bwewkó †hŠM]
K. Zwo”PvjK ej Kv‡K e‡j? 1
1 L. b¨v‡bv KYvi Mjbv¼ ¯^vfvweK AYyi Mjbv‡¼i †P‡q
L. Zwor ivmvqwbK †Kv‡l jeY †mZzi f‚wgKv wK? e¨vL¨v Kg †Kb? 2
Ki| 2 M. DÏxc‡Ki B I C †hŠ‡Mi g‡a¨ cv_©K¨KiY cixÿv
M. wMÖMbvW© weKviK n‡Z DÏxc‡Ki B †hŠMwUi cÖ¯‘wZ mgxKiYmn wjL| 3
mgxKiYmn wjL| 3 N. DÏxc‡Ki B I C †hŠ‡Mi g‡a¨ GKwU Av‡qv‡Wvdig Ges
N. DÏxc‡Ki C I D †hŠM؇qi g‡a¨ †KvbwU †K›`ªvKlx© AciwU K¨vwbRv‡ivwewµqv cÖ`k©b K‡i we‡kølY Ki| 4
hyZ wewµqvq AwaK mwµq? we‡kølY Ki| 4 8 (i) cUvwmqvg †K¬v‡iU A(g) + KCl(s)
4 (ii) Zn(s) + H2SO4 B(g) + ZnSO4(aq)
25 mL 0.1 M 25 mL 1.5 g K. Wvqv‡RvKiY Kx? 1
H2C2O4
KMnO4 A¤øxq L. NH3 A‡cÿv A¨vwbwjb `ey ©j ÿviK †Kb? 2
`ªeY
`ªeY Fe M. DÏxc‡Ki 10 g cwigvY A Drcbœ Ki‡Z wK cwigvY
K. GbvbwmIgvi Kx?
1 wewµqK cÖ‡qvRb n‡e? 3
2
L. †Kv¬ ‡ivdig‡K iwOb †evZ‡j ivLv nq †Kb? N. A I B Øviv MwVZ †KvlwU cwi‡ek evÜe Av‡jvPbv Ki| 4
mR„ bkxj imvqb wØZxq cÎ : GKv`k-Øv`k †kÖwY 83
83 G·K¬zwmf g‡Wj †U÷ 19 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ mR„ bkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 K. Av‡qv‡WvwgwZ Kx? 1
B MÅvm L. †gvjvi `ªeY GKwU cÖgvY `ªeY e¨vL¨v Ki| 2
PV M. B cv‡Îi `ªe‡Yi NbgvÎv ppb GK‡K wbY©q Ki| 3
RT A MÅvm N. C cv‡Îi `ªe‡Yi cÖKw… Z (pH) †Kgb n‡e Zv KviYmn
P we‡kølY Ki| 4
B M¨vmwU wbw®µq M¨v‡mi ci me‡P‡q wbw®µq| 5
K. AvswkK Pvc Kx?
+
1
L. CO M¨vm‡K bxie NvZK ejv nq †Kb? e¨vL¨v Ki| 2 EM/M2+ = .34 V
EZn/Zn2+ = 0.76 V
M. NTP †Z B M¨v‡mi RMS †eM wbY©q Ki| 3
MSO4
N. A I B M¨vm؇qi g‡a¨ †KvbwU Av`k© M¨v‡mi mgxKiY
M = 63.5
AbymiY K‡i bv? KviYmn we‡kølY Ki| 4 1
K. cÖgvY Zwo`Ø& vi wefe Kx?
2 L. Ag Gi Zwor ivmvqwbK Zjz ¨v¼ 0.001118 gC1 ej‡Z
25 mL wK eSy ? 2
0.1 M
H2C2O4 15 mL 12 mL M. MSO4 Gi Rjxq `ªe‡Yi cÖK…wZ e¨vL¨v Ki| 3
KMnO4 FeSO4
`ËeY N. DÏxc‡Ki `ªeY `¯Ívi cv‡Î ivLv hwy ³h³y
`ËeY `ËeY
A `ËeY B `ËeY C `ËeY wKbvwe‡kølY Ki| 4
K. AmvgÄm¨ wewµqv Kx? 1 6 A I B `wy UB wiPv‡Re© j e¨vUvwi|
L. Na2S2O3 †hŠ‡M S Gi RviY msL¨v †ei Ki| 2 A e¨vUvwi‡Z QqwU †Kvl mgvšÍivj ms‡hv‡M h³y I IPS,
M. DÏxc‡Ki A I B `ªe‡Yi A¤øxq wgkÖ‡Y msNwUZ †gvUi Mvwo‡Z e¨enZ„ nq| Aciw`‡K B e¨vUvwi j¨vcUc,
wewµqv‡K Avqb B‡jKUªb c×wZ‡Z mgZv Ki| 3 †gvevBj †dv‡b e¨en„Z nq|
N. DÏxc‡Ki A I B `ªeY `wy U e¨envi K‡i wKfv‡e C K. jeY †mZz Kx? 1
`ªe‡Y Avqi‡bi cwigvY wbY©q Kiv hvq Zv L. DMFC †Kv‡li mwy eav †jL| 2
MvwYwZKwfwËmn e¨vL¨v Ki| 4 M. A †Kv‡li MVb I Kvh©cYÖ vwj †jL| 3
3 N. A I B Gi g‡a¨ †KvbwU AwaK cwi‡ek evÜe?
Zjz bvg~jK Av‡jvPbv Ki| 4
7 CH CH + H2O 2% Hg2+ A +MOn22+ B
20% H2SO4
K. b¨v‡bv KYv Kx? 1 K. RyBUvi Avqb Kx? 1
L. wm‡g›U ˆZwi‡Z wRcmvg e¨envi Kiv nq †Kb? 2 L. -MøvB‡KvmvBW eÜb e¨vL¨v Ki| 2
M. DÏxc‡Ki Av‡jv‡K A Gi Drcv`b cÖwµqv M. B †hŠM kbv³Ki‡Yi 2wU cixÿv wewµqvmn †jL| 3
mgxKiYmn wjL| 3 N. A I B †hŠ‡Mi cv_©K¨KiY IR iwk¥ Øviv m¤¢e wKbv
N. avc-1 Ges avc-2 Gi g‡a¨ †KvbwU AwaK mvkÖqx? we‡kølY Ki| 4
we‡kølY Ki| 4 8 A + Zn B + CH3Cl ÷Ó• AlCl3 C
A Gi C O eÜb Gi wd«Kz‡qwÝ 1220 cm1
4
K. †ivwPwj jeY Kx? 1
H2SO4 A+B NaOH L. †dbj A¤øagx© e¨vL¨v Ki| 2
50 mL 100 mL M. A n‡Z c¨vivwmUvgj ˆZwi wewµqvmn †jL| 3
0.5 M cvò-C N. C n‡Z TNT cÖ¯‘Z Kiv hv‡e wK? we‡kølY Ki| 4
0.2 g
cvò-A
cvò-B
84 G·K¬zwmf g‡Wj †U÷ 20 welq ˆKvW : 1 7 7
mgq : 2 NÈv 35 wgwbU imvqb wØZxq cÎ m„Rbkxj cÖkœ c~Y©gvb : 50
[`ªóe¨ : Wvb cv‡ki msL¨v cÖ‡kœi cY~ ©gvb ÁvcK| cÖ`Ë DÏxcK¸‡jv g‡bv‡hvM mnKv‡i co Ges mswkøó ckÖ œ¸‡jvi DËi `vI| †h †Kv‡bv cuvPwU cÖ‡kœi DËi w`‡Z n‡e|]
1 5
0.31 g 0.85 g +
1 atm 1.5 atm
350 mL 450 mL FeSO4
A-MÅvm B-MÅvm
K. SATP ej‡Z Kx eyS? 1
L. C4H8 R¨vwgwZK mgvYZy v cÖ`k©b K‡i e¨vL¨v Ki| 2 E0Fe/Fe2+ = 0.44 V 1
M. ÷cKK eÜ Ae¯’vq A M¨v‡mi AvYweK IRb †ei E0Zn/Zn2+ = 0.76 V
Ki| 3 K. cÖgvY †Kvl wefe Kx?
N. GKB D”PZv I Pv‡c A I B M¨vm Gi g‡a¨ †KvbwUi
L. avZe cwievnx I B‡jKUªbxq cwievnxi g‡a¨ `‡y Uv
e¨vcb nvi †ewk Zv MvwYwZKfv‡e we‡kølY Ki| 4
2 cv_©K¨ wjL| 2
M. DÏxc‡K 250 A we`¨y r 40 wgwbU Pvjbv Ki‡j KZ MÖvg
avZz K¨v‡_v‡W Rgv n‡e? 3
N. DÏxc‡Ki `ªeY‡K `¯Ív cv‡Î ivLv hv‡e wKbv hwy ³mn
we‡kølY Ki| 4
K. DBwjqvgmb ms‡kølY Kx? 1 6 BDwiqv GKwU bvB‡Uªv‡RbNwUZ †hŠM| c„w_ex‡Z mvi wn‡m‡e
L. A¨vj‡Kvnj cvwb‡Z `ªeYxq †Kb? 2 Gi e¨envi 3q ¯’v‡b|
M. DÏxc‡Ki A, B, C †hŠM mgxKiYmn eY©bv Ki| 3 K. weUzwgbvm Kqjv Kx? 1
N. DÏxc‡Ki A †hŠ‡Mi cÖ¯‘wZ‡Z SN1 †KŠkj Abmy Z„ nq L. wm‡g›U Gi RgvUKiY ej‡Z Kx eyS? 2
M. DÏxc‡K D‡jøwLZ mviwU cÖvK…wZK M¨vm †_‡K ˆZwii
we‡kølY Ki| 4 gj~ bxwZ wjL| 3
3 N. DÏxc‡K D‡jøwLZ mviwUi Drcv`b wkí n‡Z mó„
H2SO4 `ªeY NaOH `ªeY `l~ Kmg~‡ni ÿwZKviK cÖfve we‡kølY Ki| 4
†mwg‡gvjvi
10% 7 cÖ_g wkÿv_x© 1.75 g bgybv †jvnv‡K 100 mL H2SO4 `ªe‡Y
m¤úY~ © `ªexf‚Z K‡i G `ªe‡Yi 10 mL †K UvB‡Uªkb Ki‡Z 0.05
500 mL
500 mL M 10.5 mL KMnO4 `ªeY‡K e¨envi K‡iwQj| wØZxq wkÿv_x©
cvÎ-A cvÎ-B GKB KvR Ki‡Z 0.05 M 10 mL K2Cr2O7 e¨envi K‡iwQj|
K. wb‡`©kK Kx? 1 K. `k©K Avqb Kx? 1
L. †gvjvi M¨vm aªæeK R Gi Zvrch© wjL| 2 L. ppm NbgvÎvi `ªeY GKwU cÖgvY `ªeY e¨vL¨v Ki| 2
M. A cv‡Î KZUzKz cvwb †hvM Ki‡j Zv †mwg‡gvjvi `ªeY M. DÏxc‡K 2q wkÿv_x© †h wiW· mgxKiY e¨envi
n‡e MYbv Ki| 3 K‡iwQj Zv Avqb-B‡jKUªb c×wZ‡Z mgZv Ki| 3
N. A Ges B cv‡Îi wgwkÖZ `ªe‡Yi cÖK…wZ Kx n‡e Zv N. DÏxc‡K e¨en„Z †jŠnwU m¤úY~ © weï× wKbv we‡kølY Ki| 4
MvwYwZKfv‡e we‡kølY Ki| 4 8 25C ZvcgvÎvq †KvlwU wb¤œiƒc :
4 C HNO3 C6H6 CH3Cl B Zn/ZnSO4(0.01 M) || CuSO4(0.3 M)/Cu
H2SO4 AlCl3
†`Iqv Av‡Q, EZn++/Zn = 0.76 V ECu2+/Cu = 0.34 V
K. Kve©vbvqb Kx? 1 K. Zwo`Øvi wefe Kx? 1
L. †ebwRb GKwU A¨v‡iv‡gwUK †hŠM e¨vL¨v Ki| 2 L. d¨viv‡Wi m~‡Îi mvnv‡h¨ B‡jKUª‡bi PvR© MYbv Ki| 2
M. DÏxc‡K B †hŠM Drcv`‡bi †KŠkj Av‡jvPbv Ki| 3 M. DÏxc‡Ki †KvlwUi †Kvl ivmvqwbK wewµqv m¤úY~ © Ki| 3
N. DÏxc‡K B Ges C †hŠ‡Mi g‡a¨ B‡jKUªbvKlx© N. DÏxc‡K †h †KvlwU e¨envi Kiv n‡q‡Q Zvi wefe gvb
cÖwZ¯’vcb wewµqvq †KvbwU AwaK mwµq e¨vL¨v Ki| 4 wbY©q Kiv hv‡e wKbv we‡kølY Ki| 4
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Chemstry 2nd Paper
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