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Question

Chemistry Question on Amines

For carbylamine reaction, we need hot alc. KOH and

A

any primary amine and chloroform

B

chloroform and silver powder

C

a primary amine and an alkyl halide

D

a mono alkyl amine and trichloromethane

Answer

any primary amine and chloroform

Explanation

Solution

Aliphatic and aromatic primary amines when warmed with chloroform and an alcoholic solution of KOH, form isocyanide or carbylamine which has
very unpleasant smell. CH3CH2NH2+CHCI3+3KOHWarmCH_3 CH_2 NH_2 + CHCI_3 + 3KOH \xrightarrow {Warm} \hspace50mm CH_3 CH_2 NC + 3KCI + 3H_2O