Subject Code 1 7 6

Page 1 of 8

Subject Code 1 7 6

weGGd kvnxb K‡jR XvKv c«vK-wbe©vPwb g~j¨vqb-2022

HSC-2022 welq: imvqb (eûwbev©Pwb)

bgybv cÖkœ -01

mgq: 2 N›Uv 30 wgwbU c~Y©gvb: 50

1.

K. cwji eR©b bxwZwU wjL| 1

L. Kÿ ZvcgvÎvq BaSO4 Gi `ªve¨Zv ¸Ydj 1.1  10⁻¹⁰ ej‡Z Kx †evSvq? 2

M. DÏxcK g‡WjwUi me©ewnt¯’ kw³¯Í‡i m‡e©v”P KqwU B‡jKUªb _vK‡Z cv‡i Zv †Kvqv›Uvg msL¨vi mvnv‡h¨ wnmve Ki| 3 N. g‡WjwU nvB‡Wªv‡Rb cigvYyi †ÿ‡Î cÖ‡hvR¨ n‡j B‡jKUªbwUi avcvšÍ‡ii mgq wbM©Z kw³ wbY©q K‡i Gi Zi½‰`N©¨ wbY©q Ki|4 2.

AgCl Ksp = 1.510^–10

mol²L^–2 cvò

-1

100 mL 0.02 M KCl

100 mL 0.01 M AgNO3

cvò -2

cvò -3

K.  KYv Kx? 1

L. GKwU B‡jKUªb _vKv m‡Ë¡I nvB‡Wªv‡R‡bi cvigvYweK eY©vjx‡Z A‡bK †iLv †`Lv hvq †Kb? 2

M. cvÎ-1 Gi `ªe‡Y †K¬vivBW (Cl^–) Avq‡bi NbgvÎv wbY©q K‡iv| 3

N. cvÎ-2 I cvÎ-3 Gi `ªe‡Y wgwkÖZ Ki‡j Aat‡ÿc co‡e wK? MvwYwZKfv‡e we‡kølY K‡iv| 4 3. (i) A2(g) + 3B2(g) 2AB3(g) + Zvc

(ii) X2(g) + Y2(g) 2XY(g) − Zvc

K. we‡hvRb gvÎv ej‡Z wK eyS? 1

L. ivmvqwbK mvg¨ve¯’v MwZkxj- e¨vL¨v Ki| 2

M. DÏxc‡Ki 1 bs wewµqvwU mvg¨ve¯’vq 25% AB3 Drcbœ n‡j Kc Gi gvb wbb©q Ki| 3

N. DÏxc‡Ki wewµqv؇qi log Kp vs T^-1 Gi ‡jLwPÎ AsKb K‡i Gi Zvrch© wjL| 4

4 . X2O4(g) 2XY(g), ΔH = +ve

27°C ZvcgvÎvq Ges 1 evqyPv‡c X2O4 20% we‡qvwRZ nq|

K. mvg¨vsK wK? 1

L. D`vniYmn Amg¯^Ë mvg¨ve¯’v e¨vL¨v Ki| 2

M. wewµqvwUi Kp wbb©q Ki| 3

N. X2O4 Gi we‡qvRb n«vm Ki‡Z Kx Kx c`‡ÿc M«nb Kiv ‡h‡Z cv‡i we‡kølb Ki| 4 5.

COONa

Cl

Error! _{X + Na}

2CO3 + H2O + Na + CH3 − Cl Error! _{Y + NaCl}

K. †iwmwgK wgkÖY Kx? 1

L. C3H8O Kvh©Kixg~jK mgvYyZv cÖ`k©b K‡i− e¨vL¨v Ki| 2

M. X †_‡K MøvB-A·vj cÖ¯‘Z Ki| 3

N. wd«‡Wj µvd&U A¨vjKvB‡jkb wewµqvq X Ges Y Gi g‡a¨ †KvbwU †ewk mwµq? e¨vL¨v Ki| 4 6. P ⎯⎯⎯→ Q HO3 ⎯⎯⎯→ R + S ²O/Zn

B_vb¨vj †cÖvcv‡bvb|

+ ^{K L}

M e⁻

cvÎ-1 cvÎ-2 cvÎ-3

NaOH.

CaO

Dry ether

Page 2 of 8

K. KvBivj Kve©b Kv‡K e‡j? 1

L. R¨vwgwZK mgvYyZvi kZ© †jL| 2

M. P †hŠ‡Mi mgvby¸‡jvi bvg †jL| 3

N. cvi A·vB‡Wi Dcw¯’wZ‡Z P mv‡_ HBr Gi wewµqv ‡gKvwbRg mn eY©bv Ki|

4 7. wb‡gœi wPÎ `ywU jÿ¨ Ki

K. GK c«‡Kvô wewkó ‡Kvl wK? 1

L. wmjfv‡ii Zwor ivmvqwbK Zyj¨vsK 0.001118 gC^-1 ej‡Z Kx eyS? 2

M. wPÎ-1 G 50A we`¨yr 15 wgwbU Pvjbv Ki‡j K¨v‡_v‡W wK cwigvY avZy Rgv n‡e? 3

N. DÏxc‡Ki wPÎ `yBwU Df‡q ‡Kvl n‡jI G‡`i kw³i iæcvšÍi wfbœ - we‡kølY Ki 4 8. wb‡gœi wPÎwU jÿ¨ Ki

K. mwµhZv wmwiR Kx? 1

L. d¨viv‡Wi m~‡Îi `yBwU mxgve×Zv wjL| 2

M. DÏxc‡Ki K¨v‡_v‡W mwÂZ wRs‡Ki cwigvY c«evwnZ we`¨y‡Zi mv‡_ m¤úwK©Z| we‡kølb Ki| 3 N. DÏxc‡Ki `«e‡Y 150mA we`¨yr 0.5 N›Uv Pvjbv Ki‡j K¨v‡_v‡W KZwU wRsK avZy Rgv n‡e? 4

+ –

CuSO4 `ªeY

CuSO4

e^– (–) (+)

Fe Cu

FeSO4 wPÎ-2

+ –

ZnSO4`ªeY wPÎ-1

Page 3 of 8

Subject Code 1 7 6 weGGd kvnxb K‡jR XvKv

c«vK-wbe©vPwb g~j¨vqb -2022 HSC-2022 welq: imvqb (m„Rbkxj)

bgybv cÖkœ-2

mgq: 2 N›Uv 30 wgwbU c~Y©gvb: 50

1.

K L M

N

K. `ªve¨Zv Kx? 1

L. cwji eR©b bxwZ e¨vL¨v Ki| 2

M. cÖ`Ë DÏxc‡Ki N †kj †_‡K L †k‡j GKwU B‡jKUªb avcvšÍ‡ii mgq Zv †_‡K wbM©Z †dvU‡bi Zi½ ˆ`N©¨ wbY©q Ki| 3 N. DÏxc‡Ki cigvYy‡Z GKwU B‡jKUªb _vKv m‡Ë¡I eY©vwj †iLvi msL¨v GKvwaK nq⎯ e¨vL¨v Ki| 4

2. PY2 Gi Ksp = 1.85  10⁻⁸

K. Avjdv KYv Kx? 1

L. mgAvqb cÖfv‡ei d‡j `ªve¨Zv n«vm cvq †Kb? 2 M. 1g I 2q cv‡Îi wgwkÖZ `ªe‡Y [P²⁺] wbY©q Ki| 3

N. 1g I 2q cv‡Îi wgkÖ‡Y PY2 Aatwÿß n‡e wKbv? MvwYwZKfv‡e we‡kølY Ki| 4 3. PCl5(g) PCl3(g) + Cl2(g), H = + Ve

PCl5 wewµqKwU 30C ZvcgvÎvq 1.5 atm Pv‡c 15% we‡qvwRZ nq|

K. mwµqb kw³ Kx? 1

L. Kc Gi gvb KLbI k~b¨ n‡Z cv‡i bv †Kb? 2 M. DÏxcK wewµqvwUi KPGi gvb wbY©q Ki| 3

N. mvg¨ve¯’vq wewµqvwU‡Z Zvc I Pv‡ci cwieZ©b NU‡j Drcv‡`i cwigv‡Yi cwieZ©b N‡U wKbv? we‡kølY Ki| 4

4. 2N2O5 4NO2 + O2, H = +Ve

N2O5 wewµqKwU 20C ZvcgvÎvq 2 atm Pv‡c 20% we‡qvwRZ nq|

K. fiwµqv m~ÎwU Kx? 1

L. ZvcgvÎv evov‡j wewµqvi MwZ‡eM ev‡o †Kb? 2 M. DÏxcK wewµqvwUi KCGi gvb wbY©q Ki| 3 N. wewµqvwU‡Z m‡e©v”P Drcv` cvIqvi †KŠkj e¨vL¨v Ki| 4

5. C3H4

(A) + H2 Pd⎯⎯→BaSO4 B O⎯⎯→CCl³4 X Zn⎯⎯→H2O Y + Z + ZnO + H²O

K. †iwmwgK wgkÖY Kx? 1

L. †ebwRb A¨v‡iv‡gwUK †hŠM †Kb? e¨vL¨v Ki| 2

M. A, B ˆRe †hŠM `ywU‡K G‡`i wgkÖY n‡Z Kxfv‡e c„_K Ki‡e? mgxKiYmn wjL| 3 N. A Ges B Gi g‡a¨ A¤øxh c«K…wZi Zyjbv Ki| 4

6.

X

K. Kve©vbvqb Kx? 1

+ CH₃Cl ⎯⎯⎯⎯⎯→Abv` ËÆAlCl3 A + HCl 1g cvÎ- 0.5M 50ml PQ `ªeY

2q cvÎ- 0.1M 50ml XY `ªeY

AlCl3

Page 4 of 8 L. †cÖv‡cb wg‡_‡bi mg‡MvÎK− e¨vL¨v Ki| 2

M. DÏxc‡Ki X †hŠM †_‡K †K¬v‡iv‡ebwRb Kxfv‡e cvIqv hvq? mgxKiYmn we‡kølY Ki| 3 N. A †hŠMwUi cÖwZ¯’vcb wewµqv A‡_©v-c¨viv Ae¯’v‡b N‡U−we‡kølY Ki| 4

7. wbgœwjwLZ ‡KvlwU ch©‡eÿY Ki|

K. Zwor we‡køl¨ ej‡Z Kx eyS? 1

L.Zwor we‡kølY GKwU wiW· wewµqv - e¨vL¨v Ki| 2

M. DÏxc‡K CaCl2 e¨envi Kiv n‡j wK wK Drcbœ n‡Zv? †Kvl wewµqvi gva¨‡g †`LvI| 3

N. DÏxc‡Ki `ªe‡Y †h wKfv‡e ÿvi Drcbœ nq Zvi g~jbxwZ †jL Ges Zwor‡Kv‡l †Kvb ai‡bi ivmvqwbK wewµqv m¤úbœ n‡q‡Q Zv we‡kølY

Ki| 4

8. wbgœwjwLZ ‡KvlwU ch©‡eÿY Ki|

K. d¨viv‡Wi c«_g m~ÎwU wjL| 1

L. NaCl Gi Rjxq `«eY Zwor cwienb Ki‡Z cv‡i- e¨vL¨v Ki| 2

M. DÏxc‡Ki `«e‡Y 2A we`¨yr 5 N›Uv Pvjbv Ki‡j K¨v‡_v‡W KZ M«vg avZy Rgv n‡e? 3 N. DÏxc‡K c«`wk©Z B‡j‡±«v‡cwUs (Electroplating) c«wµhvwU e¨vL¨v Ki| 4

+ –

NaCl^`ªeY

+ –

NiSO4

`ªeY Ni

‡jvnvi PvgP

Page 5 of 8

Subject Code: 1 7 6

weGGd kvnxb K‡jR XvKv cÖvK-wbev©Pwb cixÿv

‡kÖwY : Øv`k

welq: imvqb 1g cÎ (m„Rbkxj) bgybv-3

mgq: 2 N›Uv 30 wgwbU c~Y©gvb: 50

[‡h‡Kv‡bv cuvPwU cÖ‡kœi DËi `vI]

01|

K. ivmvqwbK Zzj¨vs¼ Kx? 1

L. ZvcgvÎv e„wׇZ avZe cwievnxi cwievnxZv n«vm cvq †Kb? 2 M. DÏxc‡Ki cÖwµqvwU g~jZ RviY-weRviY we‡kølY Ki| 3

N. cÖwµqvwU‡Z we`y¨r kw³ g~jZ ivmvqwbK kw³‡Z iƒcvšÍwiZ nq| we‡kølY Ki| 4 02|

K. GK d¨viv‡W Kx? 1

L. Cu Gi Zwor ivmvqwbK Zzj¨vs¼ 3.2910⁻⁴gc⁻¹ ej‡Z Kx eySvq? 2

M. cÖwµqvwU‡Z 10 min a‡i 150mA we`y¨r Pvjbv Ki‡j K¨v‡_v‡W KqwU cigvYy Rgv n‡e? 3 N. cÖwµqvwU‡Z B‡jK‡Uªv‡cøwUs N‡U| we‡kølY Ki Ges Gi D‡Ïk¨ wjL| 4

03|

(i) 2CH₃−Cl+2Na⎯⎯ →^﯋B_vi⎯⎯ A+2NaCl (ii) CH₂Br−CH₂Br+Zn⎯⎯→^ B+ZnBr₂

(iii) CH₂−CH₂Br+2KOH(alc)→C+2KBr+2H₂O K. ‡gv‡mv †hŠM wK? 1

L. A¨vjvwbb Av‡jvK mwµq †Kb?2

M. DÏxc‡Ki B ‡hŠMwU A¤øxq bv n‡jŠ C †hŠMwU A¤øxq †Kb? 3 N. DÏxc‡Ki A,B I C Gi wgkÖY †_‡K wKfv‡e G‡`i c„_K Ki‡e? 4 04|

(i) 3CHCH⎯₄₅₀⎯ →⎯0_C A (ii) A HNO B H₂O

C 3⎯60⎯ →⎯⁰ + +

(iii) A CH Cl C HCl

C 3− ⎯30⎯ →⎯⁰ + +

K. Aw·-A¨vwmwUwjb wkLv wK? 1

L. DU©R wdwUM wewµqv D`vniY mn wjL| 2 M. DÏxc‡Ki (ii) bs wewµqvi †KŠkj †`LvI| 3

N. DÏxc‡Ki C †hŠM †_‡K kw³kvjx we‡ùviK ˆZix m¤¢e| we‡kølY Ki| 4 05| A₂B₄(g) 2AB₂(g)+ Zvc

K. mgmË¡ mvg¨e¯’v Kx? 1

L. Kc Gi gvb k~b¨ ev Amxg nq bv †Kb? 2

M. 25⁰C ZvcgvÎv I 3atm Pv‡c 18.5% A2B4 we‡qvwRZ n‡j D³ we‡qvR‡bi Kc KZ? 3 N. wewµqvwUi mvg¨e¯’vi Dci jv-kv‡Zjx‡q bxwZ Abymv‡i Zvc I Pv‡ci cÖfve Av‡jvPbv Ki| 4 06|PCl₅(g) PCl₃(g)+Cl₂(g)

K. Kc Kx? 1

L. ivmvqwbK mvg¨ve¯’vi ˆewkó¨ wjL| 2

M. 30⁰C ZvcgvÎv I 1.5atm Pv‡c 50% PCl5 we‡qvwRZ n‡j D³ we‡qvR‡bi Kp KZ? 3 N. Pvc e„wׇZ wewµqvwUi wewµq‡Ki we‡qvRb gvÎv n«vm cvq| we‡kølY Ki| 4

Fe H2SO4

Abv©`ª AlCl3

Page 6 of 8 07|

g‡Wj (A) g‡Wj (B) K. cwji eR©b bxwZwU wjL| 1

L. 2d I 3d †KvbwU m¤¢e ev m¤¢e bq? e¨vL¨v Ki| 2

M. cigvYyi MVb e¨vL¨vq (A) n‡Z (B) g‡Wj †ekx Dc‡hvMx| we‡kølY Ki| 3 N. g‡Wj (B) wU H-cigvYy a‡i wewKwiZ kw³i Zi½ msL¨v, Zi½ ˆ`N©¨ I eY© Kx? 4 08|

MN2 Gi `ªve¨Zv= 0.0002 mol L^-1 MY2 Gi Ksp=1.85×10^-8

K. Avjdv KYv Kx? 1

L. K Gi 19Zg B‡jKUªbwU 3d †Z bv †h‡q †Kb 4s AiweUv‡j Mgb K‡i? 2 M. A cv‡Îi jeYwUi `ªve¨Zv ¸Ydj KZ? 3

N. A I B `ªeY GK‡Î wgwkÖZ Ki‡j MY2 Gi Aa:‡ÿc co‡e Kx? MvwYwZK fv‡e we‡kølY Ki| 4

Page 7 of 8

Subject Code: 1 7 6

weGGd kvnxb K‡jR XvKv cÖvK wbev©Pbx cixÿv welq: imvqb 1g I 2q cÎ (m„Rbkxj cÖkœ ) bgybv-4 mgq: 2 N›Uv 35 wgwbU c~Y©gvb: 50 (we. `ª: Wvbcv‡ki msL¨v¸‡jv cÖ‡kœi c~b©gvb ÁvcK| DÏxcK¸‡jv co Ges †h †Kvb cuvPwU cÖ‡kœi DËi `vI|) 1. 0.25M AB ` ªe Y 0.01M XY ` ªe Y 20°C 20°C 20C ZvcgvÎvq, AY Gi Ksp = 3.510^–4 XB Gi Ksp = 2.510^–2 K. eY©vjx Kx? 1

L. cøv‡¼i mgxKiYwU cÖwZôv Ki| 2

M. AB `ªeYwU m¤ú„³ n‡j 20C ZvcgvÎvq AB Gi `ªve¨Zv ¸Ydj wbY©q Ki| 3

N. `ªeY `ywU‡K wgwkÖZ Ki‡j ‡Kvb Aat‡ÿc cvIqvi m¤¢vebv e¨vL¨v Ki| 4

2. K. `ªve¨Zvi ¸Ydj Kx? 1

L. wewfbœ ‡gŠ‡ji wewfbœ ai‡bi †iLv eY©vwj cvIqv hvq †Kb? 2

M. Z kw³¯Í‡ii Rb¨  I m Gi gvb wbY©q K‡i G‡Z Dcw¯’Z †gvU B‡jKUªb msL¨v wbY©q Ki| 3

N. cigvYyi †mŠiRMr g‡W‡ji mv‡_ wPÎ A Gi g‡W‡ji Zzjbvg~jK Av‡jvPbv Ki| 4

3. GKRb QvÎ jv-kv‡Zwjqv bxwZ eySvi Rb¨ wewfbœ ZvcgvÎvq I Pv‡c wb‡¤œi wewµqvwU m¤úbœ Kij Ges m‡e©v”P cwigvY wk‡ívrcv`‡bi R‡b¨ K‡qKwU kZ© wbav©iY Kij| cv‡Îi AvqZb V L Ges †gvU Pvc P atm|

mol kJ H AB B A

₂

+ 3

₂

→ 2

₃

;  = − 92 /

K. mvg¨aªyeK Kv‡K e‡j? 1

L. mvg¨ayªeK Gi gvb k~b¨ ev Amxg n‡Z cv‡i Kx? 2

M. DÏxc‡Ki ciÿvq mvg¨ve¯’vi Dci ZvcgvÎv I Pv‡ci cÖfve e¨vL¨v Ki| 3

N. DÏxc‡Ki wewµqvi K_pGi ivwkgvjv cÖwZcv`b Ki| 4

4. PCl5(g) PCl3(g) + Cl2(g), wewµqvwU‡Z PCl5 Gi we‡qvRb gvÎv , cv‡Îi AvqZb V L Ges †gvU Pvc P atm | 25C ZvcgvÎvq Ges 1atm Pv‡c PCl5 Gi 80% we‡qvwRZ nq| K. cÖfveK Kx? 1

L. mvg¨ve¯’vi Dci NbgvÎvi cÖfve e¨vL¨v Ki| 2

M. DÏxc‡Ki wewµqvi kc Gi ivwkgvjv cÖwZcv`b Ki| 3

N. PCl3 I Cl2 Gi AvswkK Pvc MYbv Ki Ges GKKmn kp Gi gvb MYbv Ki| 4

Page 8 of 8 5.

A¨vjwKb - 1 + HBr

R2O2 →

→

X (99.1%) Y (0.9%) (n = 4)

K. Kvh©Kix g~jK Kx? 1

L. N, N-WvB wg_vBj cÖvcvb¨vgvBW Ges cÖc-2-Bb-1-A¨vj Gi ms‡KZ †jL| 2

M. DÏxc‡Ki wewµqvwUi wµqv‡KŠkj †jL| 3

N. X Ges Y Gi g‡a¨ †KvbwU Kx ai‡Yi mgvbyZv †`Lvq e¨vL¨v Ki| 4

6. K. †g‡mv ‡hŠM Kx? 1

L. A¨vjKvBb-1 A¤øag©x †Kb? 2

M. †h †Kvb `ywU wewµqvi gva¨‡g †`LvI †h, “X” GKwU Am¤ú„³ †hŠM| 3

N. “Y” Drcv`‡bi wµqv‡KŠkj e¨vL¨v Ki| 4

7. Zz‡Zi `ªe‡Y 50 min mgq a‡i 180 mA we`y¨r cÖevwnZ Kiv nj| K. ZworØvi Kx? 1

L. Zwor cÖ‡jcY e¨vL¨v Ki| 2

M. DÏxc‡Ki avZzwUi ivmvqwbK Zzj¨vsK I Zwor ivmvqwbK Zzj¨vsK †ei Ki| 3

N. DÏxc‡Ki ZworØv‡i KZ¸‡jv Cu cigvYy Rgv co‡e MbYv Ki| 4

8. imvq‡bi GK QvÎ Zwor we‡køl‡Yi Ici cixÿv wbixÿv Kivi mgq 10 A¨vw¤úqvi we`y¨r 1 N›Uv hveZ wmwiR ms‡hv‡M AgNO3 `ªeY, CuSO4 `ªeY I Cr2(SO4)3 `ªeY Zwor we‡køl¨ †Kv‡l Pvjbv K‡ib Ges †m jÿ Kij cÖwZwU †Kv‡l mwÂZ avZzi cwigvY I avZzi Zzj¨ f‡ii AbycvZ me©`v mgvb nq| K. Zwor Kzcwievnx Kx? 1

L. Zwor we‡køl‡Yi mgq NbgvÎv Kxfv‡e cÖfve we¯Ívi K‡i? 2

M. Dc‡ii eY©bv n‡Z d¨viv‡Wi †Kvb m~‡Îi Bw½Z cvIqv hvq Zv we‡kølY Ki| 3

N. Dc‡iv³ cÖwµqvq Kx cwigvY Cu I Cr K¨v‡_v†W Rgv n‡e? 4