Explanation

(b)
$C_{2}H_{5}NH_{2} + HNO_{2} \rightarrow C_{2}H_{5}OH + N_{2} + H_{2}O$
ethyl amine ethyl alcohol
(1${^\circ}$aliphatic amine)
[image:13_image220.emf]
1${^\circ}$aromatic amine
$\therefore$Dye test is used to distinguish between 1${^\circ}$aliphatic and
1${^\circ}$ aromatic amine