A) nitrobenzene
B) phenyl isocyanide
C) phenyl cyanide
D) phenyl isocynate
Correct Answer: B
Solution :
Action of alcoholic caustic potash on chloroform and aniline forms a bad smelling compound phenyl isocyanide, \[\underset{Aniline}{\mathop{{{C}_{6}}{{H}_{5}}N{{H}_{2}}}}\,+\underset{Chloroform}{\mathop{CH{{I}_{3}}{{H}_{5}}}}\,+3KOH(alco.)\to \underset{Phenyl\,\,iscoyanide}{\mathop{{{C}_{6}}{{H}_{5}}NC+3KCl+3{{H}_{2}}}}\,\] This reaction is called carbylamine reaction.
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