Bansal Classes Chemistry Material Iit Jee

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( r Eke/l eises;; i, 4- f §, 1:.. f f 8, 1 I /0 I I L I JJ. / IS: ! ?ro6kltts 2, 31::t, 8' 7 12 \ E/te;·tllsis I. : ':N -r ;He. ';0+ :H+Y .:\ /2../) ( t3 I l}.J L- -t- (? " -7 7- N + ., I c) IjN 1- -7> ::;H + 1).25 !5: Ei =: E=,,= - (/3.6 12V )/3ro = A£2 = I=fe - e;::::: / 3,2 e.V 6, )) = (i,tJ9"1- nt-I) (.-1- __ '_) :::::: /,5z4- x. ID C:, ( z.Z- = /,S24)c ID 4-- tm- I A = °v ::::: 6, !) b 3 x. / D m= &, 5' fo. 3 11M "T. Po" a n I ,J. = OJ I, Z.n (n-I) g, n2.. t n ) fY/J. . }1b, _ () r /; i-/f;. - 2 , '-I D+I zp 3 , J 3 Z --2 -I 0 + I + 2 I If, 3d S- 4- 0 0 4-5 i 4 3 -3 -2 -I D 1-( -t-Z +3 I I , , ( I if r

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Transcript of Bansal Classes Chemistry Material Iit Jee

Page 1: Bansal Classes Chemistry Material Iit Jee

f!..Mpn=~ ( r Eke/l eises;; i, 4- f §, 1:.. f ~ f 8, 1 I /0 I I L I JJ. / IS: ! ?ro6kltts ~ 2, 31::t, 8' 7 12

\ E/te;·tllsis

I. : ~ ':N -r ;He. ~ ';0+ :H+Y .:\ /2../) ( t3

I l}.J ~ L- -t- (? "-7 7- N + .,

I c) IjN 1- ~n -7> ::;H + tt~

1).25

!5: Ei =: -13,·~eV E=,,= - (/3.6 12V )/3ro = -O.3·~8eV A£2 = I=fe - e;::::: / 3,2 e.V

6, )) = (i,tJ9"1- ~/t nt-I) (.-1- __ '_) :::::: /,5z4- x. ID C:, fJ1~ ( z.Z- 3~ = /,S24)c ID 4-- tm- I

,~ -~ A = °v ::::: 6, !) b 3 x. / D m= &, 5' fo. 3 11M

"T. Po" a ~iven n I ,J. = OJ I, Z.n (n-I)

g, n2.. t

n ) fY/J. %IJ~( . }1b, ~-Pls _ esf~;,o..+tOI1 () r /; i-/f;. -

2 , '-I D+I zp 3 , J

3 Z --2 -I 0 + I + 2 I If, 3d S-

4- 0 0 4-5 i 4 3 -3 -2 -I D 1-( -t-Z +3

I I , , ( I if r

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8.
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Typewritten Text
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9.
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10.
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12.
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13.
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14.
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18. See figures 1.9, 1.10, and 1.12
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1, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 23, 25,
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2, 3, 4, 7
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12. 5 'Y' (!s4q kJ Irn~ ) > Btl (!:JOZ ~J ADf) .~ Ro.. (509 IV Auf) -TAe fJen~/ ~o( /; ~ IbJ?I'r:ttlr01 el1€tJfes 10 deC/'e4s~ ~c.:J( 4 rJh>tt tis fe;:r /'e;"a.II1.S' /&Irly eMsk-l btd- II-e-. d S~ltce. iJeroe&( tie. /1u clefts tlltq( tJl{~O of- elecf7-.011 !htV'~Se.S ~ TIi~ ff' S'~£sAd( /s /)!lect al'ler La.~.1 ieArL.

I reachf"J i/e-Ntv I~ ~~/d 1ft? 6('CWS, 7t~. 14- arltlrhMt<.! If'8iM$ I ~(lt(S~ ·lIe 7ft'teNo' e.ieht&tis, ~ 6~ /J1ac4 "sl11aller. iilJr Wbk(c;( I hare. 6/lel1 . eX/eC!-f~cI/ .. o/jJl'C?x/lJtaiely tJ~ same.. SI:ce. as .#~ 1 {!{)r/'e¥~lIc1r'lJ & ~ J el'(()d e/e.!Jt eds r

/3, &- SC!- Ti' V CI' ftln 45 45 45 45 3d. 45

The.. Zit&{ IE I~ ~" ill!-. 45 ( e.1ec.f/'tl11 I~ a/l.fl4ses !!,<2e;st- r Cr J

/lJADSe. 2Jic( e./~tlrDI1 AS loST ·fhlJ1 t( 301 Otif~! !-Dr 5'1;( ~r l-~cfrol/s.l ~ I;CretlS~ t1.{!./,o~s a !e/'/~o( f>e(!llt(s~ ZeN l/7cre.lIses: /;ll101r,;C;. 'fA€- e./e(Jirol1 /11~~e 77~9Ir(!,!., lAe.. 3! . eJec.~11 IS {!/oSO" % fJ~ /It(C!.lells aile( lesS' sAreYclec(". 3D It-IS

/J101'e- "77';I1'11y bOIAItc/. , z.. (

I~l d 3'~ : [~l4S 3d ~ fJ1n2~ [Itr l 3d 5"

I ~ Co3~ [1fr'1 3d ~ 1.9 Cu : flh-l 4s(3d /0 I u .

?/'D~/eh7S 2. i a) At -the- l1uc/et{s ( if! a.1f ~ La:~/aresj-~ere ) .

I b) ftt-f'~ao .. tt 1-:5 l11u/-h;/req /;t 4rrr.l 'file aret? 6/ ({ I SIAe~e/ 'to J~:i ift '-13~( ,fO/;4/;(''1':';y af air ?/;'-/s /ocafec( I a d:5~l1ce r- fJ.DIf/ ·M e I1f,(d~i{ s , o ('~!) a" . 5,,<,- fir~ /./f.

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20.
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21.
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23.
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1.12
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{ • 2..

3, I R b = E>S lor 11- : h (!J~H ( I) = /3. t, eY, = (), s 4-1 e I; 4-I(~ eV (s)"l. 2EJ

/?b /ttl:> 3r Jro7-t>i1S t2lttX fA. /J1ucA A~1!er-- ZeN, 7h~ /6I'C€ 01-IJtlfrac-h()~ !>f!/t..;eel1 7'1&- eke-hI? t'AA'6( file I1lAdeus Ii -re.p.p~/f2.

frj c:: 5s(4d 10 • It; !las 1~ l/1Jfol/s .ttltt{ an (2ve;, /;(jj€?/, repp,

4, Phrrhl1 etei<Jo/:= IE 1- kF tJf Y'eie(JsecR ~-P~oion ..e.nU;r = .h = 3(4-0 ><: ID(~ J

l ,1 -31) ~)2- ~/8 1 1<1=( /4-) =- ± ( 9, ,!9 lC 1'0 I<J (/15"9 x /0 0/=> =} Is-x /D J I I£CK.r) - 3.40}< IDI8 - IllS x: /0 f& ==: 2,ZfJ.".. If) ,«; d ==:. /1,DeV

- ..L -3( X t,)2... -18 /<clf?b):;::' Z (9,{D?)< 10 I=J 2f fs- x ID f% ;;=. Z("?-3 x /0 J = 1t.1 ef!

gf 2.~ 6r7 + 9ft:, ~2.~ 251- N

~ 102.. 0 ~ ;n Y Y

12. \

X X

t

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7.
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E15. n = 5; l = 3; ml = -3, -2, -1, 0, +1, +2, +3
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E16. S = Z - Z*. Li, S = 3 - 1.28 = 1.72; Be, S = 4 - 1.91 = 2.09; B, S = 5 - 2.42 = 2.58; C, S = 6 - 3.14 = 2.86; N, S = 7 - 3.83 = 3.17; O, S = 8 - 4.45 = 3.55; F, S = 9 - 5.10 = 3.90. The amount of shielding increases across the period as electrons are added to the outermost subshell. p electrons are more shielded than s electrons, as shown by the larger increment in S between Be and B.
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E19. The first ionization energy of Zn is much higher than that of Ca because Z* is much greater. In moving to the right across a period, Z increases by one whole unit for each succeeding element, but the shielding increases by only 0.35 units. Thus, there is a rapid increase in Z* in moving to the right.
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E25. a) S b) Sr c) V d) Tc e) In f) Sm