1. ('I
~
63cmOo nJoC3OJomo.9::t1dh nJro'~ 2012
oUC&h:>m : 40
<TUillWo : 1Y2 hour
T-
t
v
n-P-
.!l...l.lru6lS6ldhos.l«ffi))l§.l~ l.(J)onO.ldhu3 ruleJm>l<1lJ«ffi))l @O(gCllOon.l0 n(B® ruO<mdh mlwI2lru.ll2l0CQn 6T1Jffi.l)
6l'kj§rum>06l6mon dh6l6TlS«ffi))Jdh? C h~'Ii t( I )" (3)
~'JO1".:t.LtY
}I/
1. 15 al1ml§ 'tt'l,ju3 6'.OnD <TUl2lmJo' ~6ll'). ~'D <TUl2lmJo~!l...lOBl6m3u3 mcmomJl ruomJl~ I2lm<mleJoc£l6l6TT)o.
2. o(j)~p ~!LJJBl6m3u3c£l6l.lo [!((llID(?)6)I2l'9.l<ID6TT)o.
~.!l.JocrikrU [!~ (]!l...loB~6m3~lmS oill6)<ID&hleJJ.O 63cmlmJ 12l0L<IDoi12((llID(?)6)I2l'l'.l<IDlmJomS12l<ID1. '"' ~"63:)(g(?)O(]!l...loBl((llIDlm.lI2lJ~ m)(]dhOm (lffi)(]<ID061so<;1:jommSdhl mJ101c£l6l.lcmJ. ~
...~
ruo<mdhoOJcmom>lBlJ~ @Cll.lnJB0c5«))[)01.BorudhI2l0m>112l00.l0n.l6lru.anl.l"""'§_@'J""Ramnl<1lil <1JJO@O~ ..
6ldhos.l«mj)l§.l~rum>lroS (J()Clllm>om>I.nJm)<mOruffidhu3 dh6l6llS«ffi))J'Jf. ~ ~
(a) <mCTl101.<mdhu3<m12ll2l1e"q~ ((ffi)dhBlo ruc5wlc96>.lonJ .. j ~
(b) <mCTl101.<mdhu3<mI2l2l1BlJ~ ~dhc509::16m~ dhlsJonJ ~
(c) <mCTl101.<mdh§.l6lS22'Dc5@;!odh.lom>)-ont-./ i
(d) <m<l2l01.<mdh§.l6lS.!l...lBlfficruJOiO)1.OID.,OdhlSJon.l (2) "
/~ 1 QJlgc5 rulorJ<mI2l.l~ @CllJcrulQJl6TlSolroS ffilo~lClllc96>.lon 10 ClQ)Ou3ruO<mdh6l«ffi)) 2 e.ilgc5 ru.,orJ<m '--
Q).l~ l2l6lg0Cll.lcruleJl6TlS01ClBlcOO l2log6anJ. <monJffileJm>lroS l2logQ)l~. ruO<mdh6l«ffi)) cru06T1Jffi.l)liJ <m06l~ ~
'kj0m>.lonrum>lroS nJ)mi5 l2logo cruogrulc96>.l0? ~
(i) 12l0m) (1) 1(ii) OJ~orJ<mo (1)
(iii) I2lc5t3o (1)
(b) <TU.olClll2loa»)<monJml eJm>lroS ruo<mdh«ffi))l6l~ I2lc5Bo, OJ.,orJ<mo nmon1ru <m12ll2l1eJ.l~ 6T1Jffi.l)6lI2lmi5?@'D
6T1Jffi.l)arroil6l~ (J)6ID1<mClllnJ6lI2l~.l<mJdh? (2)
1 '1J ()
(3)
(J
~
" .
~
~. :)
<") ~
t~,~,
~j
~"<
S-, ;y
(i) (T, n cmol<1lo) (ii) (P,T cmolCllo) (iiiJ (P, n cmolCllo)
(a)
(b)
2T1Co') CTU12l0ffi12l0m>6ldhroSOJlroS m)6ldh(Q)leJl6leJ <mJnJmlPJ dh06m.ldh
12l0!3 ru<)(j).pcru01~o6)<m <monJffilQJ 127°C ~m>1 22(Q)c5«ffi))lm>oroSOJo(j)dh«ffi))l6l~
nJ) UID (Q)O(TIn OJ.,(()0 cru6l'kj SJ0 ?

2. (5) roJ(/)"1cM:16Tl)(J()OB.1Cnl1mBB.11S.,00<Dl~1B.1 oJBo@(O)06tffiu3 mmBdh1<Dl1(/)l,ooJcmJ.
0({D"1091.,o016l1J6ll3, (]m@lll~ 6)6)n.O(]lMO(]~OOlah <mg)cru1cU5,(f)0(U9 6)6)n.O(]l(u)O<Jl~OOl~ <mg)cru1cU5,
00@6l1J1u3 oj '!)M@, 0({D"1091.,° oj'!) M@, 00@6l1J1u3 dhr816Tl)6tffiu3
(a) dhJ06Tllm) cru0<DlcmmlmJ~lmB dhJSJ<IDmB 6)6)n.OlMmcm m1@01,ooocm n(B6)<ID~po' oJBO@aoo6lffiW
ml6tffiu3 <ID1(/)6)6Tllm)sJ,ooJo? ( 1)
(b) <ID1(/)6)6Tllm)sJ,ooomJ~ dhO(/)6Tl)o cruo WJdh (/)l,ooJdh. ( 1)
~c) loJ<lJ@cmmmcmml6)oR cru0"1dh(/)1~ (/)Ocrucru0<lJOdh.,o oijYPJ<IDJdh. (1) 0/ (aJl'3<Jl~p01dh 00m) H=l, S = 32, °= 16)
(a) cruu3nO"Jo1,ooocru1Ml6)oR (H2S04) <Jl00§ldh.,JQJO@ 00m) dh6Tl6JoJls1,ooJdh. (1)
(b) 49g cruu3nO.,Jol,ooocru1cU5 o(j)l<ID(]00§0611'>? (1)
) 980g cruu3nO~Jol,ooocru1M1QJJ~ <ID<12l0l(IDdh§J6)So(j)~o cth6Tl),ooO,ooJdh. (2)
, <Dl1mBaU.ol<ID16)AJ<:glJcm ~lQJ <lJO<IDdh6?ffi§J6)S<lJ.,ooJ<IDo,<ID<12l0l<IDdh§J6)So(j)smo o(j)cml<lJ mmBdh1
mJ;J(/)l,ooJcmJ.
(}J:J<lllclbo I(}J~:JcJ<lllo <lllctD:Jl<lllclb~~6)S
(eJlg<llaf3)
<>ID~o10X(A)2x10(B)
x
5-2
(a) A, B, o(j)cm1OJ dh6)6Tl6cmmJdh
(b) dh6)6lTs@lJ)Ocm cruo...f):)<Dll~ OJo<IDr.fum1<Dl0oloJm)<ID0<lJ1,ooJdh.
(8) 6)6)mlsmcm, 6)6)n.Ouwmcm o(j)cm1OJ <Jl~@m) aJl'3<Jl006Tl)1<Dl~6Tl60dhJcm loJ<lJ@cmmmcmml6)oR cru0"1dh(/)1~
cru0QJC>dh,h0 mmSdh1iwl(/)lca6>JcmJ
N2 + 3H2 ---72NH3
(a) 1 <Jl00u3 6)6)mlsmmJo 3 <Jl00u3 6)6)n.OlMmmJo <ID02l1m3loJ<lJ@cmm1~J6Tl60dhJffi) <lm<Jl006Tl)1<Dl
@J6)S 0Jm) dh06Tl)Jdh (1)
(b) 10 <Jl00<f8 <lm<Jli2)C>6Tl)1<DleJIS1,ooocW o(j)l<ID <Jl0C>u36)6)n.OlMmmJo 6)6)mlsmm20 (~QJ(j().,00611'>?
(1)
(c) STP <Dl1m310 ai2)ou3 <lmai2)C>6T1)l<Dl<DlJ6)sQJ~C>nJ<IDOo{j)l<ID<TI)o<Dll(()l,ooJo? (1)
(cruJ~m: ~Ci<:p01dh i2)0m) H=1, N = 14)
(9) ~lQJ OJO<IDdh6lffi§26)S STP <Dl16)8] 0c>m). ruPoJ<IDo, <ID<12l0l<IDdh§J6)So(j)omo o(j)C1TilOJ oJ§ldh<Dllm3
mm3cthl<Dl1(()l,002cm2, OJl§2G:oJO<Dl(A), (Bl, (C), (D) o(j)cm1OJ dh6)6Tl5cmm2cfu, (4)
(cruJ.!2Jm: ~a~pi2)ldh'21Om) H=l, N = 14, 0 = 16, C = 12)
2

3. OJ:J<m.e,() ill:JaU
OJ~:JrJ<m()<mOD:Jt<m.e,tU61S
( tcIJ:J ill1am)
(eJl~olam)nID~()444.8 . ~AL....... 220112........... .(~)..........:.. (C) .....22.46.022 x 102316......... .cP} .........6.022 X 1023
(10) 63«(»),oJB:)<5L.Oam5>l6)oR lBru6Tl>:)llho 253K w),O (5)1~m1a1 303K w),O ~6ll1.
(a) 250K w1a1),0 305K w1a1),0 @'D oJB:)<5aooam5>l6)oR (ijJ3ru<TU.O om.om:)w1(()1cS6)),0?
(b) 300K (5):)oJm1a1w1m8 @'D oJBO<5aooo Q61lIow1a58 m1wl2lru),0 !l..!ou3m:5 mlwl2lru),o
cS6)),QI2l:)? cfu:)(()6Tl>6)l2loID?
amaW6Tl>l6)oR (Fe) amag:)12l1cfu m<Tll<5 26 ~6ll1.
(a) ffi.)mJ6)o'l::la58 lc£hl2lam5>la1),2ill ~a1dhal50mn ru1m.,offi.)6)I2lPJ,a5)),c£h. (1)
(b) Fe2+ amawo6Tl>l6)oR ~a1dhal5:)mnru1m.,offi.)6)l2lc9),a5)),c£h. (1)
(c) amawmn oJ1(()law:)(U)ldh a561l11~1a58 oill® oJ1(()lw(U)1a1),0 l(f)l~la1),I2l:)6)6Tl>m) c£h6)6llSam5>),c£h.(1)
(d) ~a1dhal5:)mn ru1m ,pffi.)am5>lw8 m1m'>),0 amaw6Tl>l6)oR oill6)a5)llhla1),o (()6TB ffi.)ru1<W()o'l::la5)c£hu3
loJru!l ..HcS6)),c£h. (2)
OR
3s23p63d2
3s23p6
3s23p6 4s1 3d2
3s23p5
ls2 2S22p6
ls2 2S22p6
ls2 2S22p6
2S22p6
P, Q, R, S n{j)on1 I2llalc£h6m3~),6)S
cS6)),on),.
P
Q
R
S .Js2
(a) 6)a5)g:)CIp ~a1dhG:l5:)mn ru1m.,:)ffi.)0 c£h6)6llSam5>1 a5)1(()),am5>1n{j)P),a5)),c£h. (2)
(63:)a(():) I2llalc$,am5>l6)oRw),o ~a1dhal5:)6Tl>),c£h~),6)5 n{j)6Qfam5>1m8 <1.I.,(5)e~:)ffi.)12l1~).
~ 5 i2<1.1w1a58 ffi.)oaW:)~c£ha5) oJl~.,12l0c£hO® ffi.)OWe)a5)W),2ill I2llalc£ho oill(5):)6Tl1? (1)
(c) Q n{j)on I2llalc£ham5>l6)oR amag:)12l1c£h m<Tll<5 c£h06Tl>),c£h. ( 1)
(d) @<1.Iw1a58 63a(() r,J1(()lw(U)1a58 ~u36)~5),on I2llalcfu6m3u3 nijlru? ( 1)
( 12 ) (()Offi.)loJOJ<5cmmmam5>l6)oR a<1.l(f)a5)6)W aUJ:)w1m1cS6)),on neJsc£h6m3u3 c£h6>6llSam5>:)® 63(()), cfu),31 m5aml)lw
oj (()1<MJ6Tl> 6m3u3 ffi.)W® m.'5 (u)wo 1w1m8 a(()6iJ6)~ 5),am5>1w 1 (()1cS6)J,on® (5)06)P 6)c£h:)5), am5>1 (()1cS6)),on),.
oj(()1 c9rl16Tl>o ml(()1c9rl16m0
6)oJaoc>dh6)6)ffi.)cU) n{j)s),am5>),.
(A)~C>6Tl>lcS6)),on),.
' ..................
)ffi.)M c£hl51 G:!lJ<5am5>
(B)
)cS6)C>2ill1 c£h:)6Tl>lcS6)),onJ, .
..................
..
(a)
(b)
Ie)
lJ1§),GoJ:)CQ) m1(()'ldhQJ6ffi6<mu3 G:(()6)-16)~SJ,am5>J,Ch. (1)
en 1(()1cfh9:j 6ffi 6m32218.1J, ~ ('1..J~ ((j) .):) (T)am5>1m c£h:)(()6ffi 6)III mY) ~ ( 1)
lJffi)_Ln..l:il@))m@))l6)~ CEOJma5)6)CQ) (T)j:)w1m1.-96)J,cm (>4105 O£lJScfui2lQm) @'D oJ(()1<MJ6ffi<IDO)l
PJ66)S G:bllJ:)W,)i2l:)cfuJ,cmd5? (1)
3