WBJEE 2014 Question Paper Chemistry

c-2014
2320325
Subrect Chemistry lBooklet NumbGrl

Duratlon : 1% Hours ,rlaximum ,'iarks :75

I

lnstructions
1. Thls question paper contalns atl obiectlve qu6tion5 dlvided into three categorie5. I
2. Category-l : Comprises of q.l to q.45 carrying one mark each, for whlch onty one opuon
is correct,
Category-ll : comprises of Q.46 to q.55 carrying two marks each, for which onty one LU
optioo is correct. ct)
Category-lll : Comprh€s of Q,56 to q.6() carrying two marks each, for whldl orle or rnore
than ooe options may be correct.
( 3. For quGtionsin Category{ or Category'll, incorrect answers wilt carry NEGATM ma*s.
For Category-|, 1/3 mark witl be deducted for each wrong answer. For category'll,
I
2/3 mark witt be deducted for each wong anslYer.
4. Catego.ylll questions witt not carry any negative mark' Against the number of co'rect
optioos indicated, a marimum of two rnark witt be awarded on pro rata basis. tloweYer,
marking of arry wrong option witl tead to award of zero ma against the qJestion
. irrespective of tie number of correct oPtlons indicated.
5. questlons must be answered on OMR sheet by darkening the approPrlate bubbte (ma*ed
A, B, C, D) againtt the question number on the respective teft hand c6tumns.
6. Alt ol,tR witt be procetsed by etectroolc means. Heflce, inYatidation of Anslver sheet due
1

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to fotding or pltting stray ma*s on lt or any damage to uhe Answer Sheet as wett as
{
incomdete/irEorrect filling of the Answer Sheet wltt be the sole re5Ponsibitity of th€
candidate.
I
7. Answe6 without any response witt be awarded zero mark. For Category'l or Cat€gory'll,'
morq than one resgons€ wlll be trelted as incorrsct answer and negative marks will
be awarded for the same.
E. Write your roLt number, name and question booktet numb€r onty at the specified
locations of the OrrtR.
I 9. Use onty BlacuBlue Ball Point Pan to mark the answers by comPtete fitting uP of tie
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rEpective bubbt6.
i lo.fbule phorEs, Cllcuhtors, Sltd€ Rul6, L4 T!b1.5 and Ehctronk wat'h6 wlth I

fldlttles of cikubtor, charB, Graph srl€ets or .ny other folm of T.bles are IOT
allgw€d in the examination hatt. Pcsession of such devices duri.E the examinaHons LtI
I

\
shalt tead to cancettation of the paper besides seizing of the same'
11, lrlark the ansv'/ers onty ln the space provided. Ptease do not make any stray rnark on the
c/)
I o ,tR.
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12. Rough work flrst be dooe on the $r6tlon paper its€tf. Additionat Uank pages are
giveo
j at the end of the questlon paper for rough work
! l3.This question paper contains 2E Prlnted pages inctuding pages for rouith work' Ptease
1
check all pages and rePort, if there ls any discrepancy.
I 14. Hand o/er the O^,tR to the lNigitator before |eaving the Examinatlon Hatt.

ct 7l2a

Space for Rough Work
cs[09 r:s

,-*{

tp.""

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ct 2128

Catesorv - |

q.lto Q.45 .arry one mark each, for which only one option is correct. Any wroBg answerwill
lead to deduction of U3 mark. ,*;;
7. The..eqission spettrum of hydrogen discovered fi.st and gion "t;t ,lle
electromagnetic spectrum in whhh it belongs,- respedively ar'e

(A) tfiFoltr"urot"t (B) Lyman, visible
(c) Brlmer, ultraviolet (D)Balmer,.visible

{tzginqlffi c{ ftfu.I {"Fr€l T{fl{ qfr{E c{ s{s fiE 6Gq prfft <(lfi< ct wtrt
t:*rlm, c+ 1ffi $uczt qq
(a)li{rr{, qfu-{tJft .(B)ftcrFl, T'Rqf{
1cy<m<, .vfur<1ft (D)our<, lwn

2. The electronic configuration of Cu is
(A) Ne3sbpbde4s2 (B) Ne3s'z3p63d'04s1
(c) Ne3s'?3p63d34s'?4p6 (D) Ne3sbp63d54s24p4

6]{r{(CU) l{<tr{sifuo fu{rFl{4

(A) Ne3s'z3p63ds4s2 1el lte!s'lptaufir "
(c) Ne3s23p63d34s24p6 (D) Ne3s'?3p63d54s24p4

I
I
3 As per de Broglie's formula a macroscopic particle of mass 100 gm and moving at a
velocity of 100 cm s-1will havea wavelength of

(A) 6.6 x 10-2e cm (B) 6.6 , 10-30 cm (C) 6.6 x 1011 cm (D) 6.6
' 10i2 cm
fu arrft< p vffi 100 $tc B € 100 cm s-1 {."- €sffi qfbfiT oqm o+q H {'a
(A) 6.6 r 1o-'ze cm (B) 6.6 x 10-s cm (C) 6.6 x 10-31cm (D) 6 6 x 1o-3'zcm

c1 3lza

4. For one mole of an ideal gas the slope of V vs. T curve at constant pressure of 2 atri is. .
x lit mol-r lC1. The value of the ideal universalgas constant'R'in teims of X is

(A) X lit atm mol-1tC1 (B) X/2 lh atm mol-1K 1
1K-1
(C) 2x lit atm mol (P) 2X atm lit-lmol-ltCr

aii 6qm as]a q'tE f 4izffi 2 atm Etrt v vs, T cEqBrf{ a?rc1otir {Fr x tit mot-1 tcr {rq
qE,f qrffio +nq $a+ ,R, qir qF{ {4

(A) xlit atm moflKl -(B) x/2. lit atm mol-1tcr
(C) 2X lit atm moTlK-l (D)2X atm lit-lmol-lC

5 At a certain temperature the time required forthe complete diffusion of 2OO mL of H2 gas
is 30 minutes. The time required for the complete diffusion of 50 mL of 02 gas at the
same temperature will be

(4160 minutes (B)30 minutes (C)45 minutes (D) 15 minutes

€oE fifit \ePFflEEr 2oo Ini n, amq c-,fj qfiPlG rfo io frfrr 4w qt,II ,i qoi
et trlldf{ 50 mL O, sfrE c"t( <ilPl\gi {(o qc{ dIrtr{

(A)601ifr8 (B)3o{ifrA (c)4s frBB (D) 1s frfrA

5. The IUPAC name ofthe following molecule is
Me t\re [4e

Me

(A) 5,6rDimethyl hept-2-ene (B) 2,3-Dimethyl hept-5-ene
(C) 5,5-Dimethyl hept-3-ene (D) 5-lsopropyl hex-2-ene

ft6? rc"IfFd tupAc {lc €
M Me Me

Me

(A) s,6-uE'ft {,td (E'b-2-t{ (B) 2,3-61fiqfltd a,E -s- t{
(c) s,G uRfi'{td ad -3- t{ (D) 5-qRrqrs4Eq r{fr '-2- t4
c7 4l2a

L The reatents to carry out the following conversion are

Me
Me-E -----l>

(A) H8soy'dil Hrso4 (B) BH3; HrOzlNaOH
(ClOsO.; HlOa (D) NaNHz/CH3t; HSSOy'dil HrSO.

ftl6T qffi qtmE q-4, ft-otrir {fr {di
Me Me
Me--E
---->

(A) HESOy'dil Hrso4 (B) BH3; HrO2lNaOH
(C) OsO.; HlOa (D) NaNHz/cH3l; HsSO/dil Hrsol

8. The correct order ofdecreasing H-C-H angle in the following molecules is
H H H

H H
X,
I n

(A)t> > (Bllr> r>
(c) tr >I (D)t> t> fl
frrea qmfus x-c-x rstrr cftFr q{s6c {fr

H H H H

H
t1
H X
lll

(A)r> >flt (B)I > t> l
(c)lll> >t (o)I>lll>[

c7 sl28

ouring the emission of a positron from a nucleus, the mass number of the daught6r
element remains the same but the atomic number

(A) is decreased by 1 unit (B) is decreased by 2 units
Ic) i; increased by l unit (D) remains unchan8ed

r6FI 'Rclt{ crE c{Ts qsff qffiE lirfu {{R Trq It q're-, qTqFIfrn s'{ c(rlfi qot
{RT fu EIi 'R{l.lfus @qI{

(A) ,46 qf{EI{ 'ff{ (B) It 4rro fi 'tts
(c) (F ,4T{ Ifr flT (D)q{R-486fiT

10. I emission is always accompanied by

(A)formation ofantineutrino and q particle (Blemission ofq particle and l-ray
(C) formation of antineutrino and y-ray (D) formation of antineutrlno and positron

p fi3{I{aEr{cr{T&r {I {g flr{ of t4
(A) qTFEfrBGIrI e qI{Ff-scff (B)qFiFr-oqT e y-rft
(c)smFEfrSfu \3 y-ifo (D)qnFBfrOEI{r e 1ffi{

11. Fou[ gases P, q, R and S have almost same values of 'b' but their 'a' values (a, b are
van der Waals constants) are in the order q < R < S < P. At a particular temperaturg
amont the four gases the most easily liquefiable one is

(A) P (B) a (c) R (D) s

R,{<i S qt 6RS 5fi6r4'b',{;r rIFI gT{ cIIFr fu 'a' -€( trrfii aq 1{ Q < R < S < P
P, O.-
(a, b {q sr4-g,B uulE* 3-++)r fim c ofql-of{ qt 5ffi tffcq-{ {Ff, q{6frnt q{rq
ER+ti5 t.{

(A} P (B) a {c) R (D)s

c7 6128

12. Among the followint structu.es the one which is not a resonating structure of others is

Me- Me- Me- Mo-
o o Me o Me o
I rv
I

I
I (A) | (B) (c) (D) tv
i

I
fi-cm i'a-tefu [cqr cqB q'l:r€Fri cR-qq-{ftd rtT(rcsonating structure) +* ffi t<
J

I

l Me Me- Me- Me-
o o Me

i
I
I tv
l

(A) | (B) (cl (D) rv
I

i

I 13. The compound that will have a permanent dipole moment among the following is

:
H

H
x ct
cr
ct

H
><ct
H crxcr
ct' ct
Br

I irr tv

(A) | (8)[ (c)ut (D) lv

+rN rfu$rl c.cr csfr ilff &rq-a utr+ qnq cc$ r{
H crxcr
H
Xctct H
H

ct cr ct
Br*Br
I m tv

(A) | (B) (c) (D) tv

cL 7128

14. The correct order of decreasing length of the bond as indkated by the arrow in the
followlnE strudures is

+ + + +

ll I

(A)t> >l[ (B]ll>r>u (c]lll>ll>l (Dlr> >n
ftrs ab+efrrs ffr aro Bfu <offeft-* hq,,(qfich q(e6c tq

+ *A*
t
+
I
I

(A)r>[>. (B)[>r>lll (c) >[>l (Dlt> t>[

15. An atomic nucleus having low n/p ratlo tries to ffnd stability by

r (A)the emission ofan a particle
(g) the emission of a positron
(c) capturin8 an orbitalelectron (K-electron capture)
(D) eqission of a B panicle

e6ff irc n/p q{"tltq',r* efrffcfR-{ c{E crcra{ ttfug lTlE Tz-< ol rF

1n1 o-+nr fi:mq ora
(s) lffi{ fisqr{r"f{ qI$N
(c) K-tffif{ fffi6E(capture) vmrm
(D) P-rFqI ftscrfif st

ct 8128

15, (32Ge75,3de?1 and (14si{, irs!'?)are examples of

(A) isotopes and isobars (B) isobars and isotones
(C) isotones and isotopeq (D) isobars and isotopes

(32Ge71 34se75) q{t ( r6i1 ,es3'z ) fi[E{ €Er{a"I ot {67

(A)qlffiAprsq1tq*k (B)qtt4liIlrIeqffir{
(c) qltrfl[Er{ € qE?qr.trn tbtqrtzfi<tr e qtrcl1trr'f

l 17, gr€t'46 was fo.med alont with a neutron when an unknown radioactive substance was
bombarded with 5C12. The unknown substance was

(A) srPaa (E)goIhu (C)rrU2$ (DlsrUa

.{sE wql zoqfu{ cfr6r6s 6cu EI?tt qrfl6 +i {r!r,scf.5e qsB frUi{ Gs'rt {qt
qqFrrdEEt4
I
(A) elPaza (B)$Th'?3' (C)grU235 (DlgzUe

18, The rate of a cenain reaction ls given by, Iate = k [H1". The rate incrcases 1OO times
when the pH changes from 3 to 1. The order (n)ofthe reaction is

(A) 2 (B) 0 (c) I (D) 1.s

6FFr qrB frfusr{ {r{ = k tHl" I pH L{" rrFr 3 c{r{ r.{''rfr{ffs {rd frfusr{ {E
100 eq {fr 'fl{ I frffir Fc[i cl{
(A)2 (B) 0 (c) 1 (D) 1.s

cl 9l2a

19. The values of AH and AS of a certain reaction are -qOO ti mof and -20 kJ moFrd
respectively. The temperature below which the reaction is sPontaneous ls

(A) 1OO"( (B) 2O"C (c) 20"K (D) 120eC

,s{tr fiff? Rfu{ aH qE{ as qir sFT sl[IdFtq 0o kl moFl q{q -20 U morrr1 I (q
6r,tqrdr +(6 frftF$fi ?sst6 tr{ 6t tc

(A) 100'K (B) 2o"C (c) 20'K (D) 120"C

20. The conect statement regarding the followint compounds is

H
H 9',

OH
OH
OH
t] I lll

(A) allthree compounds are chlral
(B) only I and ll are chi6l
(C) I and lll are diastereomers
(D) only I and lll are drlral

ffrF ctn€Ba c-qd afro fiqtuS +t
H QH
H

OH
0H
OH
I

(a)ffi dfifRwcft(chiral)
(B)Ii( I qr< n odft(chiral)
(c) I q<s lllqfrr ftflf4{t cqt?E{(diastereome6)
(DlT( I q<s ttt Atfr(chlral)

ct tol28

21. The corect statement regardlng the following energy dlagrams is

E
t E
I

Rarctloll i, Raarlion l{

(A) Reaction M ls faster and less exothermicthan Reactlon N
(B) Reaction M is slower and less exothermic than Reaclion N
(C) Reaction M is faster and more exothermi than Reaction l{
(D) Reaction M is slower and more exothermic than R€action N

Atr*lfu a,ttE-stfu(energrT diagram) r'"{T 6 cfr-{ frGE {q

t
E
1
E

n aa|litt

naado ta Idrfl

(A)Mfrfufitr N ftfurEiEr;TEI F6Eir q"l Tc .,-t'r({6i
(B) M frftF{rB N frfu{r{ Eiq{I{ ft{w q{s {c orm
(Cl Mfrffi Nfrfrr${Qorqgurercxrrqq< qfu{ 6r,t({rBl
(D) M frffi N ftfusE qfirq O-r@ qrR qft-{ omclff

ct l1lza

22. ln the following reaction, the product E is
l. NaOH
?no E
cHo 2. H*

(A) (B) (c) (D)

T"O'
cHo
T'O
co2H
c H2OH
I
c orH
r
co2H
2H

ftrwfrftnmBrs frfufiqro es{
'1.
o NaOH
T' ---------> E
CH o z. x*

(A) (s) (c) (D)

H2OH 2
OH 2
H
T
c HO
f*o
co2H
T'
corH
T"
co2H

23. lf cl, is passed through hot aqueous NaOH, the products formed have Cl in different
oxidatlon states. These areindicated as

(A)-1 and +1 (B) -1and +5
(C) +1 .nd +5 (D)-1 and +3

Ggg qftr taog r<r.m [(rn ctrElEFrT sBT rr4 cq cfr{'Ih Ss'r{ t{ ord {m, o ,4( q1;rt
c{$I tdr

(A)-1 e +1 (B)-1 \3 +5
(C) +1 s +5 (D) -r s +3

c7 1212A

24 commercial samPle of H2o2 is labeH as lo v lts % strenSth is nearh

(Bl 6 (c) s (o) 12
(A) 3

dB&FF Hro, -a ;qI4Is 6Trtl ql(q 10 v I 6cBd
T
wr {rar {6I
(B) 6 (c) e (D) 12
(A) 3

its boiling polnt of 35oC is 24 5/t U mofl
25 The enthalpy ofvaporization of a certain liquid at
The value ofchange in entroPy forthe Process is

moFl (c) 24'54J tcl mol-1 (D) 7 04 J C mol-1
(A) 704 J C mol-l (B) 8oJ Kr

qf{2a'6a kJ moTt t c? gfu{ts
6614 qtlfr 6rcffi Tfifl6 35oc -s <Ffi5{c{a '4a451ffi5
,{tft{qfu(T{{lr
(A)704JCmorr (B)80JCmol-1 (c)2464Jlcrmorr (D)7(NJlctmorl

25. Given that
C+O2 ) CO2 ; AHo=-xU
2CO+Oz)2COz;AHo=-YU
The heat of formation ofcarbon rironoxide
willbe

(A)
y'2x (B) y+2x lcl 2x -y @+
2

ftEfrfu-gEBcE'{
C+O2.) COz ; AHo = --x kJ

2CO + Oz ) 2CO2 ; AHo = -'Y kJ
gEg o$@fd. c{c{ srf,{ cr{rqsRg ?6a-{ csdt'{ 6lI'r{ {ft{l{ Fl

@t+ {B) y+2x
(Cl 2x -y @T
c7 11128

27. The intermediate J in the following Wittit .eaction ls

+ 1. n-BuLi
PPh3 Br
------>
2. CHr=g L,_l --->
(A) (B) (c) (D)

PRh. PPh^ o +
o PPh3 PPhs
o

AzF Bff'r(wift is) ftffic w+6 drr I €
*PPh. 1.n-Buli
Br- ___-_->
L,l
.._>
2. Cl'|.2=O

(A) (B) (c) (D)

P(ht PPh. o +
o PPh3 PPh3
o

,* ll",it !T P.lg*ng @mpounds, the one (s) that gives (Eive) effervescence with
. aqueous NaHCO3 solution is (are)'

(cH3CO)rO cH3cooH PhOH oH3COCHO
I I fl tv
(A) I and lt (8) r and i[ (C) only ll (D) I and tV

glpg
rcl6/c{r!n qq
rar aelc+1fr ruarco, <a wftr r+fir* Trq
{E $
gcrr <,za

(cH3co)ro cH3COOH PhOH cH3cocHo
I I II tv

(A) I €4S n (B) I q{R t
1cf e1 rr (D) I s<e tv

c7 74/28

29. The 4th hither homologue of ethane is
(A)Butanc (8)Pentane (C) Hexane (D) Heptane

tctrfi Uo-s W{ q{r.r(46 hither homologue) t{
(A) frg.E{ (8} eEfi (c} qcs{ (D)qrfi

30- ln case of heteronuclear dlatomics of the type AB, where A ls more electronegative
than B, bonding molecular orbhal resembles the character ofA more than that of B. The
statement

(A) ls false
(B) is true
(C) cannot be evaluated since data is not sufficient
(D) is tlue only for certain systems

e+ff wq{ ftar$rqft-at tlfrsr(ne) n -; q,rfl{fit 8 -qr Eififf r<ft| q {fr dtrI5t {{a
qHfr+ qiTrtffi s-.!rEiq-{I{A-{ q( 6{ffa+ror*t@S

(A)fr$r (B) c-o-t
(G) EEl-f[{- qrqlrt slaq q{t qf6 45 (D) {5r c€d$?r frq E csrd

31. The hydrldes ofthetiBt elements in Sroups 15-17, namely NH!, H2O and HF respedively
show abnomally high values for melting and bolling point5. Thls is due to

(A) smallsize ofN, o and t
(S)the abllity to folm extensive intermolecular H'bonding
(c) the ablllty to form extensive intramolecular H-bonding
(D) effectlve van der Waals interaction

15-17 cfff{h{ erfi cfrETtIF a {tElts tft eficrs NHr, Hzo I HF I '{(qir Tfrfl5 s
ta-{t lrflElFr$ rfl
r<it r qa +r*q €
(A) N, O \3 F ,{{ (qf qt{tfi
(81 fh'l {ft-c qEaHfr{' {ltrEtrqn <ii{
{c) cfia
qq*t tfr+ frrElrq{ {{'{
'Iftr*
, (D) r {ffiEn{u. efi.r{qE3fu

c7 7s128

32. The quantity of electricity needed to separately eleatrolyze 1 M solution of ZnSOo Alcli
and AgNO3 completely is in the ratio of

(A)2:3:1 (B)2:1:1 (c)2:1:3 (Dl2:217

1 M ZnSO4, Alclr 44q ASNO! E?rrrRF cslffra{ ofuCftEIfrO s<r(O :f.llrq+s 6fuG{
q{'flg

(A) 2:3:1 (B)2:1:1 (c) 2:1:3 (D)2:2:1

33. The amount of electrolytes required to coagulate a given amount of Agl colloidal solution
(-ve chaGe) will be in the order

(A)NaNO3 > A|2(NO3)3 > Ba(NO3)2 (B)Alr(NO3L > Ba(NO3)2 >NaNOr
(c) Alr(NOr)3 > NaNq > ga(NO3)2 (D) NaN03 > Ba(NO3), > Al2(NO3)3

iiffi ,rfrrl4 ABt s-q{o(lr{rlo-<n) Einqrr otsnr q-ql ensrqft{ cfusftTsr qqr{6lGrt
,rft{lcfi4q{r.I

(A) NaNO3 > Alr(NO3)3 > Sa(NO3)2 18) Alr(NO3)3 > Ba(NO3), > NaNOs
(C) Al2(NO3b > NaNo3 > Ba(Nq), (D) NaNOi > Ba(NO3), > Alz(NO:):

34. The value of AH for coolin8 2 mole of an ideal monoatomlc gas from 225.C to 125.C at
'2
constant prassure will be [given Cp = !R1

(A) 2s0 R (B) -soo R (c) soo R (Dl -2s0 R

lifr 6rc{ 2 mote qofr qe'Brqq6 qff 5frfqro 22soc fir{ u5oc -q bet {dI tqr ,{t
g
sfuTI{ aH qi {Fr {r{(m.rvr wrq c, = a;

(A) 250 R (B) -s00 R (c) soo R (D)-2s0 R

c7 76128

35. An amine CaHgN reacts with benzene sulfonyl Ghlorlde to form a white Precipitate whidr
is insoluble in aq. NaOH. The amine is

(B) (c) (o)
(A)
Me
Me .Me /.
N Me.. t1e'\,'NH, Me N H2
I
N Me
Me H

qlTft{, crHgN 6ft{ NaoH -o qE<ftEr
c<&r qrc(slfi-{ @r{ltr6{ {(a frfu-sl{ esffi
m q{swet boft orat rqt qflfirtB tq
(B) (c) (D)
(A)

Me
't
I
t' M6 Me..
,,^ Me ve'\.','NH, Ma H2
N
Me H

36. The number of amino acids and number of peptide bonds in a linear
telrapeptide
! (made ofdiilerent amino acids) are respectively
l
I

(c) 5 and 4 (D) 4 and Q
I (A) 4 and 4 (B) 5 and 5
I
I
qnft(ar qllFrs qsrtr
q6E trflr$ cEtrr[nqEEs (fur fu{ qtrfrr{l qllFrs Ern a6s) -'{
,{<s ('l.iats <6fr{ qR{rl {d, {{160r
I

I

(A) 4 €<R 4 (B) s q<s s (c) 5 q<s 4 (D) 4
'{{i 3
i
i
gas"' is
I 17 Amongthe followings, the one which is not a "gleenhouse

(c) cH4 (D) oz
i (A) Nro (B) cOz

fwfrffroefui rzqI c{ff '€r<{Ec flf{' rr rcB {4
I

I
I

(B) cOr (c) cH1 (D) o,
I (A) 1,lzO
I

I

c\ fil2a
I

38. The pH of 10< M KOH solution wifl be

(A)4 (B) 11 (c) 10.5 (D) 10

10{ M KOH E{C6t{ pH tq

(A) 4 (B) 11 (c) lo.s (D) 10

39. The sJstem that contains the maximum number of atoms is

(A)4.25 g of NHi (B) 8I ofO, (C)2EolHz (D)4gofHe
ftrm tnqrlkd {r$ r{tffro ,i-firyr c(ry qzE

(A)4.25rNH, -I\r- (B)8BOr-?o (C)2gHr-zo (D)4gHe-29

& Amorg the following obsewationt the correct one that differentiates
between SO32-and
SO.'- is

(A) Both form preclpitate with BaCl2, SOIF dissolves
in HCI but SO.ts does not
(B) So3-forms precipltate with BaCl2, SO.!
does not
(C) So.-forms preclpitate with Baclr,
SOiF does not
(D) Both form p.ecipitate with BaO2 SO.F dlssotves
, in HCI but SOr! does not

FrcFfilo m "r{r{s[rr{ qttE{rr so3!: s so42- i{i {l{s, fr({ €r
{[ \r-I {dT
(a) Efr Bactr -q crrrl q{srs't ti9=ft lrBr, sor2- Hct - q e+Eo $ ftE sor2- 1s {I
(B)so3'z- Bacl, -L{;r cta{ q{s?sn AoA €r, so;r- $6a 4r
(c)so.l Bacl, -(t cta{ Eff:zset t6 ?6R, sq} Br;rI
(D)so3F s so.2- sgr{t Bact, -qa qE{ q{sof't
m Tr{, so.} Hct - q EaEo a fu
sq*{4r

41. Metal ion responsible for the Minamata disease ls

(A) Co'?* (B) xe'r (c) cur. (D) Zn"

fuqrcfh c*rrfr qil cq no< qrq-dB flS cc8
{q
(A) co,' (B) Hs,. (c) cqr* (D) 2n&

cl 7a128

42. The reagent with which the following reactlon is best accomPlished is

+ N ct' -=:> H
2

(A)HaPOz (B) H3PO3 (D) NaHSOs
.(C)H3PO.
fi'rs-* frffi cq ftsrff EI?IT I'{IErc stdtstr{ c'rE {{ fi6{fr

_-____>

+ N2 ct' H

(A) H3PO' (B) HgPOr (c) HIPO. (D) NaHSO3

43. ln DNA, the consecutive deo)rynucleotides are connected via

(A) phospho diester linkage (B) phospho monoest€r linkage
(C) phospho trieste. linkage (D)amide linkate

fu qr u(DNA )-re; omao(consecutlve) ffi frUfisDEo{Fr cq r{+{ fi{rrr {rt
6ctrca

(A){![[qIgltq+r{4fi (s) srn$l orr{fq+R Tfi
(c)wrqliEq-+r{ffi{ (D) qnqE's iE{

44. The reaction of aniline with chloroform under alkaline cqndiuons leads to the formation
of
(A) Phenyl cyanide (B) Phenyl isonitrile
(c) Phenyl cyanate (D) Phenyl lsocyanate

qtfts fi$fi qnfrft-a 6r.{r+d{ r(t frfuTtr.Gq'H srd

(A) ft-{ttd{ fi$ilts qtrffiltfit{
(B)fir,fltar
(c) ftqtrT {tflr4B (D) ffmtEr qltffl{TRiB

a $lza

45. The two half cell reactidns of an eledrochemical cell is given as
4g-+e )Ag ; dae,las=-0.3995v
Fe*)Fe*+e ; dr.*re.*=-0.7120V
The value ofcell EMF willbe

(A) - 0.312s V (B) 0.312s v (C) 1.114 V (D) -1.114 V

qoB oEsarfi{h-$ (slz€
XE
q{-.oI{ ftfu{r {cr
Ag*+ e- -) Ag ; Eorsveg=-0.3995V
Fe* ) Fe* + e- ; Eo6.*a"* = - 9.7129 y

r+rF* of$ft-v-r<-* urr 1c<

(A) - 0.312s v (B) 0.312s v (c) 1.114 V (D)-1.114 V

Caterorv - ll

q.46to Q,55 carry two mark ea.h, for whidt only one optlon ls coEect. Any wrong amwer wlll
lead to deduc on of 2/3 m€rk. .

45. The compressibility factor (Z) of one mole of a van der Waals gas of negligible ,a, value ls

(A) 1 @# rc11* -L
RT
Mr#
Lqs ('Il{ gIFr-Gif{ €{r4q 5tIfrr* (qti grFt-gR erflErq !F-4[ 'a, q?r tFt qfr. {rt
r) {q{$6r
!F{r€(z) cl{

(A) 1 @# (c)1+ bp
RT
(D) 1*
bp
RT

c7 20128

'47. When phenol is treated with D2SO4,/D2O, some of the hydrogens tet exchanged. The final
product in this exchange reaction is

(A) (B) (c) (D)

H
D H

D
H H
H H
D D

r+;t"rcs Drso./Dro -qa {cq frfu{t EBrafr, ftq {tr$tGzr{ frfrc+ gr et Fhq lifuIrl{
qBc frf;rsrqlotr Td

(A) (B) (c) (D)
D
D
H H

D D
H
H H
D

48. The most litely protonation site in the following molecule is
3
5

a

(A) c-1 (B)c-2 (c) c-3 (D) c-5

ftsa o.t$rs rdrqs wr<r nflfi+ qe{fu{ {r+ :q
3
I 5

6
a
1

(B) c-2 (c) c.3 (D)c-6
(A) c-1

cr 2!2A

49 The order of decreasing e;se of abstraction of hydrogen atoms in the folbwing molecule is'

H

Hb

Hc

(A) H.>HpHc (B) Ha>H;Ho (C) Ho>Ha>H. (D)Hc>Hb>Ha

ft5" qtfto {EcEIzs{'ffi.In ft{6-cd;t( abstractlon ) q{qJTFrre-I'I qftrFI lEI
H.

Hb

H"

(A)Ha>Hu>H. (B) Ha>Hc>Hb (c) Hb>H.>Hc (D) Hc>Hb>H"

50. At 25'C, the molar conductance of O.OO7 M hydrofluoric acid is 150 mho cm2mofl and its
40. = 500 mho cm2morl. The value of the dissociation constant of the acid at the given
concentration at 25oC i5

(A)7x10{M (ri)7x10+M (c)9x10-3M (D)9x1o4M

25"c ot Flrdflir 0.007 M {Rzgit{ft-s qflfrrsia fitGfl;r imgl rso mho cm2mol-l q4<
A0. = 5fl) mho cm2moTr r 25oc Etot{fiof{ A 5lrFrq qfiFigtr{ fuTrq{ rF-{6s?I cr{

(A)7x10{M (B)7x10+M (c)9x10+M (D)9x10{M

c7 2u2A

51. To observe an elevation of boiling point of 0.050 C, the amount of a solute
(Mol. Wt. = 10O)to be added to 100I ofwater (kb= 0.5) is

lAl2I (B)o.s s (c)18 (D) 0.7s s

r{Fr ,isff e<rFr Tfr{rc6ir o.os'c {fr silz6 1oo I q.q(kb= o.s) ({ 4ftqr{ El{ (qt.Ifi''o
5lfr9 = 1oo) ra-yo s.r(\9 {r{ \9l qq

(A)2s (B) 0.s s (c)1s (D)oJs s

52. The volume of ethyl alcohol (density 1.15 g/cc) that has to be added to prepare 100 cc of
0.5 M ethyl alcoholsolqtion in water is

(A) 1.1s cc (B) 2 cc (c) 2 15 cc (D) 2.30 cc

1oo cc o.s M t{td qrdr.{t{r4{ qftr a<q boa 6d(.9 c{ qqozr{ t{Ee q146{l{'i(T{9
1.15 g/cc) ({I5l S?n\9 {ra elt4
(A) 1.1s cc (B) 2 cc (C) 2.15 cc (D) 2 30 cc

53 The bond angle in NF3 (102.3') is smaller than NH3 (107-2'). Thi5 is because of

(A) large size of F compared to H
(B) large size of N compared to F
(c) oppdsite polarity of N in the iwo molecules
(D) smallsize of H compared to N

NFr s NH3 T <tr{ 6ST6ItIfi SclI@OI td 102.3' \3 107.20 L St
eIFFIst< Sl-rrt {4

(A) F -q< q[{f{ H -q{ Ei{{q (<fr
(B) N -S3 qFFrd F €{ 9-fif{ .dft
(c) 16 q.Fo N -,{{ (s€dr fur
(D) H ,44 qFttls N -€?l Pdfl{ <{

c7 Bl2a

54. A piece ofwood from an archaeological sample has 5.0 counts min-lper gram of C-14, while
a fresh sample of wood has a coJnt of 15.0 min-1 gram-J. lf haf life of c-14 is
5770 years, the a8e ofthe archaeological sample is

(A) 8,500 years (B) 9,200 years (c) 10,0Cr0 years (D) 11,000 ydars

d\go&-s qsB sr15{ trfratT r{-{T d:fu a]{ C-14 -qa count c.'1Rl Ofu fiFrcBS.O r lft
5
sfu aI{ csB rS{ stb-{ count $fu ftfrrE $.0 {{ q4e c-14 qa qdq s77o <q{ ts, \rf
erd gsot&o orca-+ {+rff< <rq rq

(A)8,s004q{ (B) 9,200 a{{ (c)1q0o04q (D)11,0004qr

55. The structure of xeFE is experimentally determined to be distorted octahedron. lts strudure
accordin8to V S E P R theory is

1A)octahedron (B) Tri8onal bipyramid
(c) Pentagonal bipyramid (D) Tetragonal bipyramid

xeF6 €d otasl"rd 5t'5{ ea ft-1o uEoro r ffia v s E P R;T ercr etl€ {t{ Td
(A)qtof,{ (B)ffiFrofrffis
(c)rcdflq-oftffis (D) EQr6ffr{ ftPffifi-s

C.tgeoJv - lll

Q.56 to q.60 carry two marks each, for whi(h one or more than one options may be correct.
Nlarking of correct options will lead to a maximum mark of two on pro ratd basis. There will be
no negative malking for these questions. Ho$rever, any ma*lng of wrong option will lead to
-
award of zero mark against the respedive question irrespective of the number of correct
options marked.

56. . Two gases X ( Mol. Wt. Mx) and Y ( Mol- Wt. My, ; My > M)( ) are at the same temperature T
in two diffeient containers. Their root mean square velocities are Cx and Cy'respectively. lf
the average kinetic energies per molecule of two gases X and Y are Er and Ey respectively,
then which ofthe following relation(s) is(are) true?

{A) Ei>Ey (B)C,>Cv (c)Ex=Ey=;Rr {D) e,=6"=17,,1

Eff tftm x(qnfod w-q Mx) q<R V(wqko €Fq Mv, ; Mv > Mr) €66 BFA ot"tcf6l
T -(o XfB ,t?ls 'flcd Tfuo qlaq I \,tcklr <rf c{a51!I <5fId {qr6(q Cx ,{<s cv I fi el(r{
affi q{< 'tg
ofu v5+ a-u {qf@crr Ex r, q+, ora itrr+ ro16 {ft-{ ror46/c+r+€1i qffs?

(A) EX > EY (B) Cx > CY 1c1r,=s"=1p7, lDtEx=E\=1kBr

ct 24/2a

' ,57. For a spontaneous procest the correct statement(s) is (ale)
(A) (Acsv'r".h,p > 0 (B) (As,yst
-) + (Ass,..d6s,) > 0
(c) (aGgy.t". )T,P < 0 (D) (AU,v't".lr,v> 0

,{68 ?os.E6 afu*m q{r qfr{ E.{(6lh) {q

(A) (Acsv3tehh.P > 0 (B) (As,r"t"m) + (AS--.ar.eJ > 0
(c) (AcsFle.hP < 0 (D) (Ausvnemhv> O

58. The formal potential of Fe3*/Fe2* in a sulphuric acid and phosphoric acid mixture
(Eo = +0.61 V) is much lower than the standard potential (E = +0.77 v). This ls due to

(A)formation of the species (FeHPo4l+
(B) lowering of potential upon complexation
(C) formation ofthe species [FeSO4]+
(D) high acidity ofthe medium

qldfu'gfi-o qrtE-s e +-rFfi-o q'lft-s -q{fri 84fr Fe1+ftez* -€{ qTE ftsr(E" = +0.51 v)
or{ E$q frE< (Eo = +0.)z v) -ea ga-m wc++iE iFI I qir iFkq {cI

(A) [FeHPo4]*bff {€fl
(B) qft-6 itl, ,hT{ q4, fts{ Erc
(c) tFeso4l*fua \3fl
(D) E-{qfr{fu w.o-r

59. Cupric compounds are more stable than their cuprous counterparts in solid state This ils
because

(A) the endothermic character ofthe 2nd I P of cu is not so hiSh
(B) size ofcu2*is less than cu+
(c) cu2'has stabler electronic confiEuration as compired to Cu*
(D) the lattice energy released for cupriccompounds is much hifher than Cut
:

FSq q{fl{ ftO.Br{ rfrreft fr'Sdrq drsl-{ 9ffiI{ qr{o c{ft {fro I
q;r rr<EI {6

(A) cu -sd ft-E{ r5mrrr{ frw -q<oPElar{{ {{ r{ft T{
(B)cu2*-q{ qroR cu. -qr E;fr-dr rE6
(c) cu'z* q{ t{sift{fu{'rc cu' -qa c{cs {fto
(D1fr'6firs rfraeft-< ffir fufu rcqrq'rfu(lattice energv) frSsrc d;r€fu Ei+{tr
qns c{ff

c7 2s128

60. Among the following ttatements about the mohcules x and Y, the one ls) which is (atel '
co.rect is (are)

cHo CHO
H OH HO --]rH
HO H H-..1
H OH HO--.1
lon
['
H OH Ho-]F-H
cH,oH cH,oH

x

(A) x and Y are diastereomers
(B)X and Y are enantiomers
(c)x and Y are both aldohexoses
(D) X is a D-sugar and Y is an L-iugar

x e<r v uffi +,rc6 ftzsr rerjFr< qal rqBlq{ft cft-{ rcffi/fitlh qa

cHo cHo
-oH
H-.1 HO- iH
-H H- 1.,,
"o-l
, H_ -oH HO- [,
H_ -oH HO- [,
cHroH cHroB

x

(n)x s<< y qfra ffi{ qffi+<(diastereomers)
(e) x €a< Y sfufra ccr{{{(enantiomers)
(c) x €<< Y fiQ wrorcrrror+ro
101 x eoff o-.r6-+t ,n<< v eFffi L-T6'{t

END OFTHE QUESTION PAPER

c7 26128

Space for Rough work

ct 27128

c-2014

SubJece Chemlstry

Duration : 1% Ho|lrs ,Iaxlmum ,iarks :75

ft.(trrft

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{f&s
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lIE 'llc{
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1/3 rn iFi {ta.r.4r( :FFEr [ -q? gBff Ec S-srtr{ q;n 2/3 dsir {F sE{ I
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2
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fd glg {a;r tc< '1m I

5. O ,tR ,tE lffrff :frf{ 4{ZiR UFHE r A, B, C, D sE,9 OE5IhrtF flIE qlra €t :'r.f{ S-g{
frro {r<l
6. gBE oMR 6-g{,to {c q'a ear t<r {ft GEa,rd 6rq 1irt 1{ q ono q:ngrqft+ nt
fi€{t 1{ q{{r rn$ q+'t rv{{r{ sE< 6d..n $ 6(T S.gd,ra <rBq aqT {t? I or qir
qoclEqfrslfrlErfrffir{r
7. cst+ :rrf{ &gir it ftrd €i :trr 1lr 4aa me{I 6<t erirm I <t lt -2o 6trFr 2relir .{dfrs
€iFd \?-f, U'6{ {.d tt tt t d €4s fi{cEqrr qMr ar. 6lBr {a{r
8. o{{ro clrtR ,r6di frfr {fr{ frrq{ Ffr6 qr{r(rolt numb€r), itq qire S1rfralr
'r$Jrl(question book(et number) B{c< r

9. 6gd ffit Gr6 BIcf6 +nr lftq rE
'tGt qE{ frrs B&o (Er6 c-tfErr{ .l,dti
6TFI I
10. fir{ltfl roFr, 6tlsTI-drk, 5lt6fdT, qrEh{, 5l.r{IrE ffifr+ qfu, cfirB-6, ,rc {t
cdFr sirrr Elhsl qffst vIE qr {rr{ if I qr+rll cc6 {rcq$O tc< q{< {asl{R? €\
qA$ <rfuq r-dt tc{ I

,1.6.53r rF{6R lr{I{rr{ fur qar rst{t€ (Ec{ I
12. df'fr-dlr cfcs o dq' o*E q+ frfof qmt (qr:fiqtcEIq4r rot{ strlsi,4t 6t6q it€rl
6iIEI 4t I
,3. ,4i gTlafto cqrB 28 fi {fiot qTrq I ol],9l{ c<{rt{ c{r{ rr{frq qrcq ft {l ({c{ a{r{ I
1,r. {AiFr[s qrgl.;t qE r otrR q{I]t ifi['frir+ frrs {tc{
'ro I

c7. 2Al2A