Copy Set-1 CP Star-2012 XII going [SAT+MAT] - Career Point

Q.44 Select correct statement of wurtz reaction -
(1) If Zn is used in place of Na, the reaction is
named as Frankland method.
(2) Methane can not be obtained by this method
(3) This reaction fails in case of tertiary halides
(4) Compounds containing functional group
–OH, –COOH can not be used
Q.45 Select correct Statements of IUPAC Names -
(1) CH 3 OCH
(2) CH 3 – CH –
|
Cl
CH 3
CH 3
IUPAC name ⇒
2-methoxy propane
CH
NO | − C –O–C 2 H 5 IUPAC ⇒
2 O ||
3-chloro-1-ethoxy-2-nitro butanoate
(3) CH 3 –CH 2 –
O || C –O–
O || C –CH 2 –CH 3
propanoic anhydride
(4) CH 3 –CH 2 –OH IUPAC ⇒ Grain alcohol
Q.44 o`VZt vfHkfØ;k ds lUnHkZ esa lgh dFku pqfu;s -
(1) ;fn Zn, dks Na ls izfrLFkkfir fd;k tkrk gS]
bls Ýsadys.M fof/k dgrs gSa
(2) esFksu dks bl fof/k }kjk izkIr ugha fd;k tk
ldrk gS
(3) ;g vfHkfØ;k r`rh;d gsykbM dh fLFkfr esa ugha
gksrh gS
(4) –OH, –COOH fØ;kRed lewg ;qDr ;kSfxd
iz;qDr ugha fd;s tk ldrs
Q.45 IUPAC ukeksa ds lUnHkZ esa lgh dFku gS -
CH 3
(1) CH 3 OCH IUPAC uke ⇒
CH 3
2-esFkkWDlh izksisu
(2) CH 3 – CH – CH
|
Cl NO | − C –O–C 2 H 5 IUPAC ⇒
2 O ||
3-Dyksjks-1-,FkkWDlh-2-ukbVªks C;wVsuks,V
(3) CH 3 –CH 2 – C –O–
O || C –CH 2 –CH 3
O ||
izksisuksbd ,ugkbMªkbM
(4) CH 3 –CH 2 –OH IUPAC ⇒ /kku ,YdksgkWy
Q.46 In an isothermal ideal gas expansion :
(1) w = 0 (2) U 1 = U 2
(3) H 1 = H 2 (4) q = nRT ln
V
V
2
1
Q.46 vkn'kZ xSl ds lerkih; izlkj esa gksrk gS :
(1) w = 0 (2) U 1 = U 2
(3) H 1 = H 2
V
(4) q = nRT ln
V
2
1
Q.47 Increase in the pressure for the following
equilibrium : H 2 O(l) H 2 O(g), result in the -
(1) formation of more H 2 O(l)
(2) formation of more H 2 O(g)
(3) increase in b.p. of H 2 O(l)
(4) decrease in b.p. of H 2 O(l)
Q.47 fuEu lkE; esa] nkc o`f) ds ifj.kkeLo:i gksrk gS :
H 2 O(l) H 2 O(g)
(1) H 2 O(l) dk vf/kd fuekZ.k
(2) H 2 O(g) dk vf/kd fuekZ.k
(3) H 2 O(l) ds DoFkukad esa o`f)
(4) H 2 O(l) ds DoFkukad esa deh
Space for rough work
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