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Q. The compound obtained by heating a mixture of ethyl amine and chloroform with ethanolic potassium hydroxide $(KOH)$ is

UP CPMTUP CPMT 2011Amines

Solution:

$\underset{\text{Ethyl amine }}{ CH_3CH_2NH_2} +\underset{\text{Chloroform }}{ CHCl_3}+ 3\,KOH \to \underset{\text{Ethyl isocyanide }}{ CH_3CH_2NC} + 3\,KCl + 3\, H_2 O$
Isocyanide can be easily characterised by their offensive odour. The reaction is called carbylamine test