`

3029/ (Set : C) P. T. O.

CLASS : 12th Sr. Sec.(Academic) Code No. 3029 Series : SS-M/2016

Roll No.

jmeeÙeve efJe%eeve

CHEMISTRY

[ Hindi and English Medium ]

ACADEMIC

2nd SEMESTER

(Only for Fresh/Re-appear Candidates)

Evening Session

Time allowed : 2½ hours ] [ Maximum Marks : 60

• ke = âhe Ùee pe eBÛe k eâ j ue W efke â F me Øe Mve -he $e ce W c e ge fõle he =‰ 16 leL e eØe Mve 18 nQ~

Please make sure that the printed pages in this

question paper are 16 in number and it contains

18 questions.

• Øe Mve -he $e ceW oe e fnve s ne L e k e âe r De e sj efoÙe s ie Ùe s k eâes[ vecy ej le L e e mesš ke âe s Úe$eGòe j -h e ge fml e ke âe ke s â ce gKÙe -he =‰ he j e fue Ke W~

The Code No. and Set on the right side of the

question paper should be written by the candidate

on the front page of the answer-book.

• ke = âhe Ùee Øe Mve ke âe G òe j e fue Ke ve e Me g™ k e âj ve s mes he nue s , Øe Mv e ke âe ›e â cee b ke â De Je MÙee fue Ke W~Before beginning to answer a question, its Serial

Number must be written.

SET : C

HBSE Class 12 Chemistry Question Paper 2016 Semester 2 Set C

( 2 ) 3029/ (Set : C)

3029/ (Set : C)

• Gòe j -h e ge fml e ke âe ke s â ye e rÛe cesb Ke e ue er h e vve e /he vve s ve Úe sÌ [W~

Don’t leave blank page / pages in your answer-

book.

• Gòej-hegefmlekeâe kesâ Deefleefjkeäle keâesF& DevÙe Meerš veneR efceuesieer~ Dele: DeeJeMÙekeâleevegmeej ner efueKeW Deewj efueKee Gòej ve keâešW~

Except answer-book, no extra sheet will be given.

Write to the point and do not strike the written

answer.

• he j er#e eL ee a De he vee je sue ve b 0 Øe Mv e -he $e he j De Je MÙe e fue Ke W~

Candidates must write their Roll Number on the

question paper.

• ke = âhe Ùee Øe Mve eW ke âe Gòej osves me s he tJe & Ùe n me ge fve e fMÛe l e ke âj ue W e fke â Øe Mve -he $e he tCe& Je me ne r nw , h ejer# ee ke s â Gh ejevle Fme mecy evOe ceW k eâesF& Yeer oe Jee mJe erkeâ ej veneR efk eâÙe e p eeÙe siee~

Before answering the questions, ensure that you

have been supplied the correct and complete

question paper, no claim in this regard, will be

entertained after examination.

mee ceevÙe efveoxMe :

(i) me Ye er ØeMve De efveJe eÙe& nQ~

(ii) Ø e lÙe ske â Øe Mve k es â De b ke â Gme ke s â me ec e ve s oMe e&S ieS nQ~

( 3 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

(iii) Ø e Mve me b KÙ e e 1 ce W y eejn (i-xii) ye nge fJ e ke âuh ee rÙe/S ke â Meyo Jee ues

Ø e Mve nQ~ Øe lÙ e ske â Øe Mv e ke s â e fueS 1 De b k eâ nw~ m ene r G òe j De h e ve er

G òe j -he ge fmle ke âe ce W e fue Ke W~

(iv) Ø e Mve me b KÙee 2 me s 10 le ke â De e fle ue I e g G òe je rÙe Øe Mv e nQ~

Ø e lÙe ske â Øe Mve 2 De b ke âe W ke âe nw~ Ø e lÙe ske â Ø e Mve ke âe G òej ue ie Ye ie

30 Me yoe W ce W oe re fpeS ~

(v) Ø e Mve me b KÙ ee 11 me s 15 le ke â ueI e g Gòej e rÙ e Øe Mve nQ~

Ø e lÙe ske â Øe Mve 3 De b ke â eW ke â e nw~ Øe lÙe ske â Ø e Mve ke âe Gòe j ue ieYe ie

40 Me yoe W ce W oe re fpe S ~

(vi) Ø e Mve me b KÙ ee 16 me s 18 l e ke â oe rIe & G òej e rÙe Øe Mve nQ~

Ø e lÙe ske â Øe Mve 5 De b ke âe W ke âe nw~ Øe lÙe ske â Øe Mve keâ e G òe j ue ie Ye ie 70

Me yoe W ce W oere fpeS ~

(vii) Ø e Mve-h e$e ce W me ce «e ™ he mes keâ e sF & e fJe k e â uhe ve neR nw~ le L ee e fhe 5

De b k e âe W Je e ue s le e rve e W Øe Mve eW ceW De e ble e fj k e â Ûe Ùe ve Øe oe ve e fke âÙe e ie Ù ee nw~

S smes Øe Mve e W ce W mes De e he k e âe s ke s âJ eue S keâ ne r Øe Mve ke âj ve e nw~

General Instructions :

(i) All questions are compulsory.

(ii) Marks for each question are indicated

against it.

( 4 ) 3029/ (Set : C)

3029/ (Set : C)

(iii) Question Number 1 consists of twelve (i-xii)

multiple choice/one word type questions

carrying 1 mark each. Write correct answer

in your answer-book.

(iv) Question Numbers 2 to 10 are very short

answer type questions of 2 marks each.

Answer these in about 30 words each.

(v) Question Numbers 11 to 15 are short

answer type questions of 3 marks each.

Answer these in about 40 words each.

(vi) Question Numbers 16 to 18 are long answer

type questions of 5 marks each. Answer

these in about 70 words each.

(vii) There is no over all choice. However, internal

choice is given in all long answer type

questions of 5 marks each. You have to

attempt only one of the given choice in such

questions.

1. (i) DevegÛegcyekeâlee keâe yeÌ{lee ›eâce nesiee : 1

(A) ++++ 2222 ,,, NiMnCoCu

(B) ++++ 2222 ,,, NiMnCuCo

(C) ++++ 2222 ,,, MnCoNiCu

(D) ++++ 2222 ,, CuNiCoMn

( 5 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

Increasing order of Paramagnetism is :

(A) ++++ 2222 ,,, NiMnCoCu

(B) ++++ 2222 ,,, NiMnCuCo

(C) ++++ 2222 ,,, MnCoNiCu

(D) ++++ 2222 ,, CuNiCoMn

(ii) keâe IUPAC veece efueefKeS~ 1

Write IUPAC name of

(iii) Oeeleg keâeyeexefveueeW ceW heeÙee peelee nw : 1

(A) σ−CM DeeyebOe (B) π−CM DeeyebOe (C) σ−CM Je π−CM DeeyebOe (D) FveceW mes keâesF& veneR Which is present in Metal carbonyls ?

(A) σ−CM bond

(B) π−CM bond

(C) σ−CM and π−CM bond

(D) None of these

CH2–CHOH–CH3

CH2–CHOH–CH3

( 6 ) 3029/ (Set : C)

3029/ (Set : C)

(iv) efJešeefceve 12B meeÙeveeskeâesyeeuesefceve ceWs keâewve-meer Oeeleg nw ? 1

(A) Fe (B) Co

(C) Mg (D) Pt

Which metal is present in vitamin 12B

Cyanocobalamin ?

(A) Fe (B) Co

(C) Mg (D) Pt

(v) yÙetšsve-2, 3-[eFDeeve keâer mebjÛevee efueefKeS~ 1

Give the structure of Butane-2, 3-dione.

(vi) heesšwefMeÙece hesâjermeeÙeveeF[ keâe met$e nw : 1

(A) ( )[ ]62 CNFeK (B) ( )[ ]6CNFeK

(C) ( )[ ]64 CNFeK (D) ( )[ ]63 CNFeK

Potassium ferricyanide is :

(A) ( )[ ]62 CNFeK (B) ( )[ ]6CNFeK

(C) ( )[ ]64 CNFeK (D) ( )[ ]63 CNFeK

(vii) efvecveefueefKele ceW mes Øeekeâ=eflekeâ yenguekeâ nw : 1

(A) šsheäuee@ve (B) hee@efueLeerve

(C) veeFuee@ve-6 (D) mšeÛe&

( 7 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

Which of the following is naturally

occurring polymer ?

(A) Teflon (B) Polythene

(C) Nylon-6 (D) Starch

(viii) ceeušesme keâs peue DeheIešve mes Øeehle ceesveesmewkesâjeF[eW kesâ veece yeleeFS~ 1

Give the names of monosaccharides

obtained when Maltose is hydrolyzed.

(ix) yewkeâsueeFš efvecveefueefKele ceW mes efkeâmekeâe yenguekeâ nQ ? 1

(A) heâervee@ue-heâe@cexefu[neF[

(B) heâervee@ue-heâeefce&keâ Decue

(C) yesv]peesFkeâ Decue-heâe@cexefu[neF[

(D) Lewefuekeâ Decue-heâervee@ue

Bakelite is a polymer of :

(A) Phenol-formaldehyde

(B) Phenol-formic acid

(C) Benzoic acid-formaldehyde

(D) Phthalic acid-phenol

(x) efvecveefueefKele ceW mes efkeâmekeâe efÉOegÇJe DeeIetCe& meJee&efOekeâ nesiee ? 1

(A) 22ClCH (B) 3CHCl

(C) 4CCl (D) 2CO

( 8 ) 3029/ (Set : C)

3029/ (Set : C)

Which has maximum dipolemoment ?

(A) 22ClCH (B) 3CHCl

(C) 4CCl (D) 2CO

(xi) keâe pkb ceeve 23NHCH mes nesiee : 1

(A) DeefOekeâ (B) keâce

(C) yejeyej (D) FveceW mes keâesF& veneR

The pkb value of as compare

to 23NHCH is :

(A) More (B) Less

(C) Equal (D) None of these

(xii) + XClLightUV

→2 , Glheeo X nQ : 1

(A) ClHC 56 (B) ClCHHC 256

(C) CHOHC 56 (D) 3CHCl

NHCH3

NHCH3

CH3

( 9 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

+ XClLightUV

→2 , Product X is :

(A) ClHC 56 (B) ClCHHC 256

(C) CHOHC 56 (D) 3CHCl

2. meb›eâceCe lelJe mebkegâue Ùeewefiekeâesb keâer jÛevee keâjles nQ ? cegKÙe keâejCe

efueefKeS~ 2

The transition metals form a large number of

complex compounds. Give main reasons.

3. ( )[ ]+3

62OHFe Je ( )[ ]−3

342OCFe mebkegâueeW ceW keâewve DeefOekeâ

mLeeÙeer nw Deewj keäÙeeW ? 2

Among ( )[ ]+3

62OHFe and ( )[ ]−3

342OCFe complex

which is more stable and why ?

4. BAHIHOCCHEXCESS

+ →+523

Glheeo A Je B keâer mebjÛevee efueefKeS~ 2

BAHIHOCCHEXCESS

+ →+523

Give structures of A and B products.

CH3

( 10 ) 3029/ (Set : C)

3029/ (Set : C)

5. ( )[ ] 253 ClClNHCr mebkegâue keâe IUPAC veece GhemenmebÙeespeve mebKÙee DeekeämeerkeâjCe DeJemLee Je ÛegcyekeâerÙe DeeIetCe& yeleeFS~ 2

Give IUPAC name, coordination number, oxidation state and magnetic moment of

complex ( )[ ] 253 ClClNHCr .

6. Øeeshesveesve Je Øeeshesvewue ceW efJeYeso keâjves kesâ efueS Skeâ jemeeÙeefvekeâ hejer#eCe oerefpeS~ 2

Give a chemical test to distinguish between propanone and propanal.

7. DNA Je RNA ceW oe s mebjÛeveelcekeâ Deblej efueefKeS~ 2

Give two differences between DNA and RNA.

8. COOHHC 56 Je COOHCHCH 23 DecueeW ceW keâewve Øeyeue Decue nw Deewj keäÙeeW ? 2

Among COOHHC 56 and COOHCHCH 23 which is

a stronger acid and why ?

9. Øeesšerve kesâ meboYe& ceW efvecveefueefKele keâer heefjYee<ee efueefKeS : 2

(i) heshšeF[ yevOelee

(ii) [ervesÛegjsMeve (efJekeâ=eflekeâjCe)

( 11 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

Define the following terms in relation to

proteins :

(i) Peptide linkage

(ii) Denaturation

10. ef›eâmšue #es$e efmeæevle kesâ DeeOeej hej mebkegâueeW kesâ jbieeW keâer JÙeeKÙee efkeâme

Øekeâej keâer peeleer nw ? 2

How does crystal field theory explain the colour

of complexes.

11. Ssmee keäÙeeW nw efkeâ meeceevÙelee uewvLesveeF[eW keâer Dehes#ee SsefkeäšveeF[eW keâer GheÛeÙeve DeJemLeeDeeW keâe heefjmej DeefOekeâ nw ? 3

Why do actinides, in general, exhibit a greater

range of oxidation states than the lanthanides.

12. efvecve keâe JeCe&ve keâjW : 3

(a) Jegšd]&pe-efheâefšie DeefYeef›eâÙee

(b) mesv[cesÙej DeefYeef›eâÙee

Describe the following :

(a) Wurtz Fittig reaction

(b) Sandmeyers reaction

( 12 ) 3029/ (Set : C)

3029/ (Set : C)

13. leehemegIešddÙe Je leeheo=Ì{ yenguekeâeW ceW efJeYesokeâj S keâ -Skeâ GoenjCe meefnle mecePeeFS~ 3

Distinguish between thermoplastic and

thermosetting polymers by taking one example

of each.

14. meb›eâceCe Oeeleg Deewj Gvekesâ Ùeewefiekeâ meeOeejCeleÙee DeÛÚs GlØesjkeâ keâe keâeÙe&

keâjles nbw~ JÙeeKÙee keâerefpeS~ 3

Transition metals and their compounds are

generally found to be good catalysts. Explain.

15. efvecveefueefKele DeefYeef›eâÙee meceerkeâjCeeW keâes hetCe& keâerefpeS : 3

(i) →−−+−+

KIlCNHC 256

(ii) →+= 42

CClBr

H

HCC

H

H

(iii) →+ 3.3

AlClAnhydCOClCH

Complete the following reaction equations :

(i) →−−+−+

KIlCNHC 256

Cl

( 13 ) 3029/ (Set : C)

3029/ (Set : C) P. T. O.

(ii) →+= 42

CClBr

H

HCC

H

H

(iii) →+ 3.3

AlClAnhydCOClCH

16. (a) efvecveefueefKele keâe ™heeblej kewâmes keâjWies ? 3

(i) heâervee@ue keâe yesv]peerve ceW

(ii) Heâervee@ue keâe yesv]peesefkeäJeveesve ceW

(iii) Øeesheerve keâe Øeeshewve-2-Deeue ceW

(b) yesefv]peue Ssukeâesne@ue Je heâervee@ue ceW kewâmes Devlej keâjWies ? 2

(a) How would you convert the following :

(i) Phenol to Benzene

(ii) Phenol to Benzoquinone

(iii) Propene to propan-2-ol

(b) How will you distinguish between benzyl

alcohol & phenol.

DeLeJee

OR

(a) efvecve DeefYeef›eâÙee hetCe& keâerefpeS : 2

[ ]

CBAOHCHH

REDUCTIONKCNHI→→→3

D

2HNO

Cl

( 14 ) 3029/ (Set : C)

3029/ (Set : C)

(b) SLee@keämeerSLesve peue ceW IegueveMeerue nw~ mecePeeFS~ 2

(c) F&Lej kesâ efJejÛeve kesâ efueS HI Je HBr ceW mes keâewve GheÙegkeäle nw ? 1

(a) Complete the following reaction :

[ ]

CBAOHCHH

REDUCTIONKCNHI→→→3

D

2HNO

(b) How do you account for the miscibility of

Ethoxyethane in water ?

(c) Among HI & HBr which is a better reagent

for cleavage of ether ?

17. efvecve keâe JeCe&ve keâerefpeS :

(a) keâeefye&ueSsceerve DeefYeef›eâÙee 221

(b) Ùegiceve DeefYeef›eâÙee 221

Describe the following :

(a) Carbylamine reaction

(b) Coupling reaction

( 15 ) 3029/ (Set : C)

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DeLeJee

OR

(a) efvecveefueefKele DeJeueeskeâveeW kesâ keâejCe efueefKeÙes : (i) Ssefveueerve øeâer[sue-›eâeheäšdme DeefYeef›eâÙee veneR keâjleer nw~ 1

21

(ii) Ssefveueerve kesâ efueÙes pkb keâe ceeve cesefLeueSsceerve kesâ ceeve mes DeefOekeâ neslee nw~ 1

21

(b) cesefLeueSsceerve Deewj [eFcesefLeueSsceerve ceW Deblej keâjves kesâ efueÙe Skeâ jemeeÙeefvekeâ hejer#eCe efueefKeS~ 2

(a) Account for the following observations :

(i) Aniline does not undergo Friedel Crafts

reaction.

(ii) pkb for aniline is more than that for

methylamine.

(b) Give a chemical test to distinguish between

Methylamine and Dimethylamine.

18. (a) keäÙee neslee nw peye : 2

(i) heâecexefu[neF[ keâer meevõ KOH mes DeefYeef›eâÙee keâjves hej

(ii) yesv]peesÙeue keäueesjeF[ keâer neF[^espeve kesâ meeLe

Pd-BaSO4 keâer GheefmLeefle ceW

(b) efvecveefueefKele DecueeW keâer Decuelee keâer leguevee keâjW : 3

(i) COOHHC 56

(ii) HCOOH

(iii) COOHCH3

( 16 ) 3029/ (Set : C)

3029/ (Set : C)

(a) What happens when :

(i) Formaldehydde is treated with conc.

KOH solution.

(ii) Benzoyl chloride treated with hydrogen

in presence of Pd-BaSO4.

(b) Compare the acidic strength of the

following :

(i) COOHHC 56

(ii) HCOOH

(iii) COOHCH3

DeLeJee

OR

efvecveefueefKele veeceeW keâer DeefYeef›eâÙeeDeeW keâer GoenjCe meefnle JÙeeKÙee efueefKeS : 5

(i) mšerhesâve DeefYeef›eâÙee

(ii) F&še[& DeefYeef›eâÙee

Explain the following reactions with a example :

(i) Stephen reaction

(ii) Etard reaction

SSSS