NCERT Class XII Chemistry
Chapter - Amines
Questions with Solutions

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Question : 11
Total: 22
Complete the following reactions :
(i) C6H5NH2+CHCl3+alc.KOH
(ii) C6H5N2Cl+H3PO2+H2O
(iii)C6H5NH2+H2SO4(conc.)
(iv) C6H5N2Cl+C2H5OH
(v) C6H5NH2+Br2(aq)
(vi) C6H5NH2+(CH3CO)2O
(vii) C6H5N2Cl
(i)HBF4
(ii)NaNO2Cu,Δ
Solution:  
(ii)
C6H5N2Cl
Benzenediazoniumchloride
+H3PO2
+H2O
Cu+
(Reduction)
C6H6
Benzene
+N2
+H3PO3
+HCl
(iii)
C6H5NH2
Aniline
+H2SO4(conc.)
C6H5
+
N
H
3
HSO4
Aniliniumhydrogensulphate
(iv)
C6H5N2Cl
Benzenediazoniumchloride
+C2H5OH
Reduction
C6H6
Benzene
+
CH3CHO
Ethanal
+N2
+HCl
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