NCERT Class XII Chemistry
Chapter - Haloalkanes and Haloarenes
Questions with Solutions

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Question : 14
Total: 31
Write the structure of the major organic product in each of the following reactions :
(i) CH3CH2CH2Cl+NaI
acetone
heat

(ii) (CH3)3CBr+KOH
ethanol
heat

(iii) CH3CH(Br)CH2CH3+NaOH
Water

(iv) CH3CH2Br+KCN
aq.ethanol

(v) C6H5ONa+C2H5Cl
(vi) CH3CH2CH2OH+SOCl2
(vii) CH3CH2CH=CH2+HBr
peroxide

(viii) CH3CH=C(CH3)2+HBr
Solution:  
(i)
CH3CH2CH2Cl
Propylchloride
+NaI
acetone
Δ
CH3CH2CH2I
Iodopropane
+NaCl
(ii)
(CH3)3CBr
tertButylBromide
+KOH
ethanol
Δ
CH3
CH3
|
C
=CH2
2Methylpropane
+H2O
+KBr
(iii)
CH3
Br
|
C
H
C
H2
C
H3
2Bromobutane
+NaOH
Water
CH3
OH
|
C
C
H2
C
H3
Butan2ol
+NaBr
+H2O
(iv) CH3CH2Br+KCN
aq.ethanol
CH3CH2CN
Propanenitrile
+KBr
(vi)
CH3CH2CH2OH
Propanol
+SOCl2
CH3CH2CH2Cl
Chloropropane
+HCl
+SO2
(vii) CH3CH2CH=CH2+HBr
peroxide
CH2CH2CH2CH2Br
1Bromobutane
(viii) CH3CH=C(CH3)2+HBr
CH3CH2
CH3
|
C
|
CH3
Br
2Bromo2methylbutane
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