speed epl; nju;t - 2018 · speed epl; nju;t - 2018 rupahd gjpy;fs & tpsf;fq;fs; 98400 77508
TRANSCRIPT
SPEED
ePl; Nju;T - 2018
rupahd gjpy;fs; & tpsf;fq;fs;
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SPEED
1. njhFjp Iy; nfhLf;fg;gl;l cNyhf
madpfis njhFjp IIy; nfhLf;fg;gl;l
mt;madpfspd; Row;rp fhe;jpUg;Gj;jpwDld;
nghUj;jp kw;Wk; mjd; rhpahd FwpaPl;il
Njh;e;njLf;fTk;.
njhFjp I njhFjp II
a Co3+ i
b Cr3+ ii
c Fe3+ iii
d No2+ iv
v
8 B.M
35 B.M3 B.M
24 B.M15 B.M
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SPEED a b c d
1. iv v ii i
2. iv i ii iii
3. i ii iii iv
4. iii v i ii
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SPEED ,
[ ] ( )
[ ] ( )
[ ] ( )
[ ] ( )
3 618
3 3
3 5
2 8
Co 27
Co Ar 3d 4 4 2 24Cr 24
Cr Ar 3d 3 3 2 15Fe 26
Fe Ar 3d 5 5 2 35Ni 28
Ni Ar 3d 2 2 2 8
+
+
+
+
=
= µ = + =
=
→ µ = + =
=
= µ = + =
=
= µ = + =
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SPEED 2. ,Uk;G fhh;giddy; Fe(CO5) MdJ
1. ehd;F fU
2. Kf; fU
3. Xw;iwf; fU
4. ,U fU
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SPEED
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SPEED 3. [CoCl2(en)2] mizT fhl;Lk;
khw;wpaj;jpd; tifahdJ
1. tbt tr khw;wpak;
2. madp khw;wpak;
3. mizT khw;wpak;
4. ,izg;G khw;wpak;
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SPEED
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SPEED 4. fPo;fz;l madpfspy; vJ xd;W d-d
khw;wj;ijAk; kw;Wk; ghuhfhe;jj;jd;ikAk;
cilajhFk;?
1.
2.
3.
4.
24CrO −
4MnO−
22 7Cr O −
24MnO −
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SPEED
5. [Ni(CO)4] miztpd; Gwntsp mikg;G kw;Wk;
fhe;j jd;ikahdJ
1. rJujs Gwntsp mikg;G kw;Wk; lah
fhe;jj;jd;ik
2. rJujs Gwntsp mikg;G kw;Wk; Nguh
fhe;jj;jd;ik
3. ehd;Kfp Gwntsp mikg;G kw;Wk; lah
fhe;jj;jd;ik
4. ehd;Kfp Gwntsp mikg;G kw;Wk; Nguh
fhe;jj;jd;ik
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SPEED
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SPEED 6. 2.3 g ghh;kpf; mkpyk; 4.5 g Mf;rhypf; mkpyk;
fyit mlh; H2SO4 cld; tpid GhpfpwJ.
ntsptUk; thAf;fspd; fyit KOH tpy;iyfspd;
cs; nrYj;jg;gLfpwJ. STP apy; kPjKs;s
tpidnghUspd; vil (g) ahdJ
1. 1.4
2. 2.8
3. 3.0
4. 4.4
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SPEED
. . .
. . .
. .
. .
. .
.
2 4
2 4
H SO2
H SO2 4 2 2 2
2
2
HCOOH CO H O2 3 2 3 2 346 46 46
C O H 2CO H4 5 4 5 4 5x2100 100 100
Absorbedby KOH
2 3Mass of CO x28 1 4g462 3Mass of H O x18 0 9g46
4 5Mass of H x2 0 09100
Total 2 39
→ +
→ +
= =
= =
= =
=
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SPEED 7. fPo;fz;l Mf;irLfspy; vJ ,aw;ifahf
mjpf mkpyj;jd;ikAilaJ?
1. MgO
2. BaO
3. BeO
4. CaO
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SPEED
8. mkpNyh]; kw;wk; mkpNyhngf;bd; ,ilNa
cs;s NtWghlhdJ
1. 1 → 4 α-,izg;G kw;Wk; 1 → 6 α-,izg;ig
mkpNyhngf;bd; nfhz;bUf;Fk;
2. 1 → 4 α-,izg;G kw;Wk; 1 → 6 β-,izg;ig
mkpNyhngf;bd; nfhz;bUf;Fk;
3. 1 → 4 α-,izg;G kw;Wk; 1 → 6 β-,izg;ig
mkpNyh]; nfhz;bUf;Fk;
4. FSNfh]; kw;Wk; fhyf;Nlhspdhy; mkpNyh];
Mf;fg;gl;bUf;Fk;.
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SPEED
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SPEED
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SPEED
9. FWf;Fj; njhlh;G my;yJ tiyg;gpd;dy;
gygbfis nghUj;J> fPo;fz;l $w;Wfspy; vJ xd;W
rhpahdJ ,y;iy?
1. ntt;NtW Neh;Nfhl;L gygb rq;fypfSf;fpilNa
rfgpizg;gfis nfhz;lJ
2. Ngf;iyl;> nkyikd; ,tw;wpw;F
vLj;Jf;fhl;LfshFk;
3. mit ,ul;il kw;Wk; Kk;ik tpidj;njhFjp xU
gbapdhy; cUthFk;.
4. gygb rq;fypfspy; mit typikahd
rfgpizg;Gfis cilaJ.
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SPEED
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SPEED
10. typikkpF mkpy Clfj;jpy; mdPypd; iel;Nuw;wk;
m-iel;Nuh mdPypidAk; jUfpwJ Vd; vdpy;
1. gjpyPLfs; ,Ue;jNghJk; iel;Nuh njhFjp vg;NghJk;
m -,lj;ij Nehf;fpNa nry;Yk;.
2. gjpyPLfs; ,y;yhjNghJ iel;Nuh njhFjp vg;NghJk;
m -,lj;ij Nehf;fpNa nry;Yk;
3. vyf;l;uhd; fth; gjpyPl;L tpidfspy; mkpNdh
njhFjp m-topelf;Fk;.
4. mkpy (typikkpF) Clfj;jpy; mdPypd; mdPypdpak;
madpahf ,Uf;Fk;.
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SPEED
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SPEED 11. X2, Y2 kw;Wk; XY apd; gpizg;g gphpif
Mw;wy; 1:0.5:1 vd;w tpfpjj;jpy; cs;sJ. XY
cUthjy; ∆H MdJ – 200 kJ mol-1. X2 tpd;
gpizg;g gphpif Mw;wyhdJ.
1. 200 kJ mol-1
2. 800 kJ mol-1
3. 100 kJ mol-1
4. 400 kJ mol-1
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SPEED ,
tan
( ) ( )
. ( )
.
.
.
2 2 f f
f
x x y y x y
X Y 2XY H 2 H
2x H Bond energy of reac t bond energy of product
2x 200 H H 2X H
400 x 0 5x 2 X x
400 1 5x 2x
400 0 5x
400x 800 Kg0 5
− − −
+ → ∆ = ∆
∆ = −
− = ∆ + ∆ − ∆
− = + −
− = −
− = −
= =
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SPEED 12. tpidgLnghUspd; njhlf;f nrwpT
,Uklq;fhFk; NghJ> xU g+[;a tif
tpidapd; miu tho;T fhyk;
1. ghjpahFk;
2. Kk;klq;fhFk;
3. ,Uklq;fhFk;
4. khwhJ ,Uf;Fk;
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SPEED 13. Mf;rp[Ndw;w xLf;f tpidahd ,jd;
rkhdkhf;fg;gl;l rkd;ghl;bd; tpidgL
nghUspd; rhpahd nfOthdJ
1. 16 5 2
2. 2 16 5
3. 2 5 16
4. 5 16 2
4MnO− 22 4C O − H+
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SPEED
2 24 2 4 2 22MnO 5C O 16H 2Mn 10CO 8H O− − + ++ + → + +
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SPEED
14. fPo;fz;l vr;#o;epiyapy; mjpfgl;r
tpidnghUs; ,t;tpidapy; cUthf VJthFk;.
1. Fiwe;j ntg;gepiy kw;Wk; mjpf mOj;jk;
2. mjpf ntg;gepiy kw;Wk; mjpf mOj;jk;
3. Fiwe;j ntg;gepiy kw;Wk; Fiwe;j
mOj;jk;
4. mjpf ntg;gepiy kw;Wk; Fiwe;j mOj;jk;
2 2 2 rA (g) B (g) X (g) H XkJ?+ ∆ = −
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SPEED 15. ey;ypay;G thA rkd;ghl;by; jpUj;jf; fhuzp
‘a’ ,jw;F njhlh;GilaJ
1. thA %yf;$Wfspd; mlh;j;jp
2. thA %yf;$WfSf;fpilNa ,Uf;Fk;
kpd;Gyk;
3. thA %yf;$Wfspd; fd msT
4. thA %yf;RWfSf;fpilNa cs;s fth;r;rp
tpir
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SPEED
16.vJ xU jtwhd $w;W?
1. ‘s’-Mh;gpl;lhypy; cs;s vnyf;l;uhdpd; nkhj;j
Mh;gpl;lhny; Nfhd ce;jk; g+[;aj;jpw;F rkkha;
cs;sJ.
2. N mZtpw;F cs;s vnyf;l;uhd; mikg;G
3. xU Mh;gpl;lhy; %d;W Fthz;lk; vz;fshy;
Fwpg;gplg;gLfpwJ MapDk; Xh; mZtpd; xU
vnyf;l;uhd; ehd;F Fthz;lk; vz;fshy;
Fwpg;gplg;glfpwJ.
4. d22 d; m kjpg;G g+[;akha; cs;sJ.
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SPEED 17. ,t;TWg;Gfis vLj;Jf;nfhz;lhy;: CN+>
CN- NO kw;Wk; CN vJ xd;W mjpfkhd
gpizg;Gj;juj;ij cilaJ?
1. NO
2. CN+
3. CN-
4. CN
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SPEED
1.CN+
C=6
N+=7-1=6
CN+=6+6=12
Bond order = 2
2. CN
C=6
N=7
CN=13
Bond Order = 2.5
3.CN-
C=6
N-=7+1=8
CN-=6+8=14
Bond order = 3
4. NO
N=7
O=8
NO=15
Bond Order = 2.5
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SPEED
18. nkf;dPrpak; xU jdpkk; (X) cld; tpid Ghpe;J
xU madp Nrh;kj;ij cUthf;fk;. (X)d; jho;epiy
vyf;l;uhd; mikg;ghdJ 1s2 2s2 2p3 vdpy;> mr;
Nrh;kj;jpd; vspikahd tha;g;ghlhdJ
1. Mg2X3
2. Mg2X
3. MgX2
4. Mg3X2
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SPEED
, , ,, ,
2 2 6 2
2 2 3
3 2 3 2
Electronic configuration of Mg 1s 2s 2p 3sElectronic configuration of X is 1s 2s 2pX NMg N Mg X=
=
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SPEED
19. miw ntg;gepiyapy; ,Uk;G bcc mikg;ig cilaJ.
900oC w;F Nky; mJ fcc mikg;gpw;F khWk;. miw
ntg;gepiyf;Fk;> 900oC apYk; ,Uk;gpd; mlh;j;jp tpfpjkhdJ
(,Uk;gpd; Nkhyhh; epiwAk; kw;wk; mZ MuKk; ntg;gepiyia
nghUj;J khwhJ ,Ug;gjhf nfhz;lhy;)
1.
2.
3.
4.
32
3 34 2
4 33 2
12
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SPEED
3b b f
3f f b
f
b
3
3
d z axd z a
4ra2
4ra3
4r2 2x4 4r
32 3 3x4 2 23 3x 24
=
=
=
=
=
=
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SPEED
20. 298 K y; ePhpy; NaSO4 d; fiujpwd; 2.42
x 10-3 gL-1 mjd; fiujpwd; ngUf;f (Ksp)
kjpg;ghdJ (nfhLf;fg;l;l BaSO4 d; Nkhyhh;
epiw = 233 g mol-1)
1. 1.08 x 10-10 mol2L-2
2. 1.08 x 10-14 mol2L-2
3. 1.08 x 10-12 mol2L-2
4. 1.08 x 10-8 mol2L-2
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SPEED 2 24 4ss s
2
5 5
10
BaSo Ba So
ksp s10 x1010
+ −
− −
−
→ +
=
=
=
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SPEED
21. NH3, H2, O2 kw;Wk; CO2 f;F
nfhLf;fg;gl;l thz;lh; thy;]; khwpypfs;
KiwNa 4.17, 0.244, 1.36 kw;Wk; 3.59
fPo;fz;l thAf;fspy; vJ xd;W kpf vspjhf
jputkhFk;:
1. NH3
2. O2
3. H2
4. CO2
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SPEED
22. ntt;NtW nrwpTfspy; NaOH kw;Wk; HCl I
ntt;NtW fd mstpy; fye;J jahhpf;fg;gl;l
fPo;fz;l fiury;fspy;:
vjd; xd;wpd; pH MdJ 1 f;F rkkhf
,Uf;Fk;?
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SPEED
1. b
2. d
3. a
4. c
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SPEED
.
3
1
1 175x 25x 15 55 5
10millimoles10x10
0 110
pH 1
−
−
− = −
=
=
==
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SPEED
23. fPo;fz;l ve;j gz;Gfspy; xU madpapd;
jphpjy; jpwd; rhh;e;jpUf;fk;?
1. madpapd; kpd;Rik mstpy; kl;Lk;
2. madpapd; kpd;Rik msT kw;Wk; Fwp
,uz;ilANk
3. madpapd; mstpy; kl;Lk;
4. madpapd; kpd;Rik Fwpia kl;Lk;
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SPEED
24. fPNo cs;s glj;jpy; fhl;bapUg;gJ Nghy;
ntt;NtW emf kjpg;Gila GNuhkpdpd; Mf;rp[Ndw;w
epiyapy; Vw;gLk; khw;wj;ij fUj;jpy; nfhz;lhy;.
tpfpjr; rpijTf;F cs;shFk; cWg;ghdJ ---- MFk;.
1.
2. Br2
3.
4. HBrO
4BrO−
3BrO−
. . . .1 82 V 1 5 V 1 595 V 1 0652 V4 3 2BrO BrO HBrO Br Br− − −→ → → →
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SPEED 25. fPo;fz;ltw;wpy; vjpy; ePh; %yf;$Wfspd;
vz;zpf;if mjpfgl;rkha; ,Uf;Fk;?
1. 18 mL ePhpy;
2. 1 atm kw;Wk; 273 K y; 0.00224 L ePh;
Mtpapy;
3. 0.18 g ePhpy;
4. 10-3 Nkhy; ePhpy;
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SPEED
( )moles of water 18gm bcc density 118 1mole18
= =
= =
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SPEED
26. Kjy; kw;Wk; ,uz;lhk; tif tpidfspd; rhpahd NtWghL
vd;gJ
1. Kjy; tif tpidapd; tpidNtfk; tpidgLg;nghUspd;
nrwpit rhh;e;jpUf;fhJ> ,uz;lhk; tif tpidapd;
tpidNtfk; tpidgLnghUspd; nrwpit rhh;e;jpUf;Fk;
2. Kjy; tif tpidia tpida+f;fg;gLj;jyhk;> ,uz;lhk;
tif tpidia tpida+f;fg;gLj;j ,ayhJ.
3. Kjy; tif tpidapd; miu tho;T [A]0 rhh;e;jpUf;fhJ>
,uz;lhk; tif tpidapd; miu tho;T [A]0 rhh;e;jpUf;Fk;
4. Kjy; tif tpidapd; tpidNtfk; tpidgLg; nghUspd;
nrwpit rhh;e;jpUf;Fk;> ,uz;lhk; tif tpidapd;
tpidNtfk; tpidgLnghUspd; nrwpit rhh;e;jpUf;fhJ.
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SPEED
012
1 0 0 01 12 2
11 12 2
At2K2A A At 2x t2K 2K 2K
t 2 x t
=
= = =
∴ =
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SPEED 27. CaH2, NeH2, BaH2 Mfpatw;wpDs; madpg;
gz;gpd; thpirahdJ
1.
2.
3.
4.
2 2 2BeH CaH BaH< <
2 2 2BeH BaH CaH< <
2 2 2CaH BeH BaH< <
2 2 2BeH BaH CaH< <
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SPEED 28. ClF3 mikg;gpy; ika mZ ‘Cl’ cs;s
jdpj;j vnyf;l;uhd; ,ul;ilfspd;
vz;zpf;ifahdJ
1. Xd;W
2. ehd;F
3. ,uz;L
4. %d;W
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SPEED
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SPEED 29. vy;ypq;̀ hk; glj;ij fUj;jpy; nfhz;lhy;
fPo;fz;l cNyhfq;fspy; vJ mYkpdhit
xLf;f gad;gLfpwJ?
1. Fe
2. Mg
3. Zn
4. Cu
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SPEED 30. njhFjp 13 jdpkq;fspd; rhpahd mZ
Muq;fspd; thpirahdJ
1.
2.
3.
4.
B Al n Ga Tl< < Ι < <
B Ga Al Tl n< < < < Ι
B Al Ga n Tl< < < Ι <
B Ga Al n Tl< < < Ι <
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SPEED 31. fPo;fz;l jdpkj;jpy; vJ vd;W
madpia cUthf;f ,ayhJ?
1. Ga
2. B
3. Al
4. In
36MF −
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SPEED 32. N Nrh;kq;fspd; rhpahd ,wq;Fthpir
Mf;rp[Ndw;w epiyfspd; thpirahdJ
1.
2.
3.
4.
3 2 4HNO ,NO,N ,NH Cl
3 4 2HNO ,NH Cl,NO,N
3 4 2HNO ,NO,NH Cl,N
4 2 3NH Cl,N ,NO,HNO
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SPEED
33. fPo;f;fz;l $w;Wfspy; `hy[d;fSf;F
vJ cz;ikapy;iy?
1. vy;yhk; xw;iwfhu Mf;rp mkpyj;ij jUk;
2. GShpid jtph;j;J midj;Jk; Neh;
Mf;rp[Ndw;w epiyia fhl;Lk;
3. vy;yhk; Mf;rp[Ndw;wpahFk;
4. FNshhpd; mjpfkhd vyf;l;uhd; - Vw;wy;
vd;jhy;gp cilaJ
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SPEED
34. Nrh;kk; C7H8 fPo;fz;l tpidia GhpfpwJ.
tpidnghUs; ‘C’ ahdJ
1. m-GNuhNkhnlhYtpd;
2. 3-GNuhNkh-2,4,6- l;iuFNyhNuhnlhYtpd;
3. o-GNuhNkhnlhYtpd;
4. p-GNuhNkhnlhYtpd;
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SPEED
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SPEED
35. Nrh;kk; A ahdJ Na cld; Nrh;e;J B I
jUfpwJ kw;Wk; PCl5 Ald; CI jUfpwJ. B
kw;Wk; C xd;whf tpidGhpe;J ilvj;jpy;
<j;jiu jUfpwJ. A,B kw;Wk; C apd;
thpirahdJ
1.
2.
3.
4.
2 5 2 6 2 5C H OH, C H C H Cl
2 6 2 5 2 5C H , C H Cl,C H OH
2 5 2 5 2 5C H OH, C H Cl,C H ONa
2 5 2 5 2 5C H OH, C H ONa,C H Cl
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SPEED
( ) ( )
( )
5
2 5 2 5 2Ethyl Alcohol A Sodium ethoxide B
PCl2 5 2 5 3
Ethyl Chloride C
2C H OH 2Na C H ONa H
C H ONa C H Cl POCl NaCl
+ → +
→ + +
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SPEED
36. i`l;Nuhfhh;gd; (A) GNuhkpDld; gjpyPl;bdhy;
tpidGhpe;J My;ify; GNuhikil cUthf;Fk;
mitNa ch;l;]; tpidapd; %yk; ehd;Ff;Fk;
Fiwthd fhh;gd; mZf;fis nfhz;l thA
i`l;Nuhfhh;gdhf khw;wk; milfpwJ. (A) thdJ
1. CH CH
2. CH3 – CH3
3. CH2 = CH2
4. CH4
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SPEED 37. ,aw;if kw;Wk; kdpj nray; ,uz;bdhYk;
tspkz;lyj;jpy; cs; GFj;jg;gLk; iel;u[d;
Mf;irLfSs; vJ xd;W nghJthd khRgLj;jp
fpilahJ?
1. N2O5
2. N2O
3. NO2
4. NO
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SPEED
38. fPo;fz;l fhh;gd; Neh; madpapy; vJ kpf
mjpf epiyg;Gj;jd;ik cilajhf
vjph;ghh;f;fyhk;?
1. 2.
3. 4.
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SPEED 39. ,lkpUe;J tykhf mZf;fs; fPo;fz;l
ve;j %yf;$wpy; sp2,sp2,sp,sp ,df;fyg;G
thpiriaf; fhl;Lk;?
1.
2.
3.
4.
HC C C CH≡ − ≡
2 2CH CH CH CH= − =
2CH CH C CH= − ≡
3 3CH CH CH CH− = −
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SPEED 40. –I gjpyPL tpisit nghUj;J
fPo;fz;ltw;Ws; vJ rhpahdJ : (R =
My;ify;)
1.
2.
3.
4.
2NH OR F− < − < −
2NH OR F− > − > −
2NR OR F− < − < −
2NR OR F− > − > −
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SPEED
41. Xg;gplg;glf;$ba %yf;$W epiwAila
My;bi`Lfs;> fPl;Nlhd;fs; kw;Wk; My;f`hy;fis
fhl;bYk; fhh;ghf;]hypf; mkpyq;fs; mjpf
nfhjpepiyg; Gs;spfis cilaJ Vd; vdpy;
,tw;wpy;
1. %yf;$wpilNa H gpizg;g cUthjy;
2. thz;lh; thy;]; fth;r;rp tpir %ykhf
fhh;ghf;]hypf; mkpyj;jpd; mjpf mf
,zf;fj;jhy;
3. fhh;ghf;]pNyl; madp cUthjy;
4. %yf;$wpDs; H gpizg;G cUthjy;
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SPEED
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SPEED 42. Nrh;kk; A, C8H10O, NaOI Ald;
tpidGhptjhf mwpfpNwhk; (Y-ahdJ NaOH
cld; tpidGhpe;J cw;gj;jpahfpwJ) kw;Wk;
xU kQ;rs; tPo;gbit Fwpg;gplj;jf;f
nebAld; jUfpwJ. A kw;Wk; Y ahdJ
KiwNa
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SPEED 1.
2.
3.
4.
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SPEED
43. ,t;tpidapy;
vnyf;l;uhd; fth; fhuzpahf <LgLtJ
1. ilFNshNuh nkj;jpy; Neh;madp
2. ilFNshNuh nkj;jpy; vjph; madp
3. ghh;iky; Neh; madp
4. ilFNshNuh fhh;gPd;
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SPEED
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SPEED 44. fPo;fz;l tpidfspd; thpirapy; Kf;fpa
tpidnghUs;fs; P,Q kw;Wk; R I fz;lwpaTk;:
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SPEED
1.
2.
3.
4.
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SPEED 45. fPo;fz;l Nrh;kq;fspy; vJ ];Rtpl;lh;
madpia cUthf;Fk;?
1. mdPypd;
2. ngd;Nrhapf; mkpyk;
3. mrpl;ldpiyL
4. f;isrpd;
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SPEED
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SPEED
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