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Q. Mendius reaction converts an alkyl cyanide to

J & K CETJ & K CET 2011Amines

Solution:

The reduction of alkyl and aryl cyanides to primary amines with nascent hydrogen is known as Mendius reaction.
$CH_3CN + 4[H] \xrightarrow{Na/C_2H_5OH} CH_3CH_2NH_2$
$RCN + 4[H] \xrightarrow{Na/C_2H_5OH}\underset{1^{\circ} \text{amine}}{RCH_2NH_2}$