Question

Give one chemical test of distinguish between the following pairs of compounds.
Metylamine and dimethylamine

Answer 1

Methyl amine `(1^(@)-"amine")` and dimethyl amine `(2^(@)-"amine")` are distinguished by iso cyanide test (or) Carbylamine test. Methyl amine responds to carbylamine reaction to produce methyl isocyanide where as dimethyl amine does not respond to the iso cyanide test
`CH_(3)NH_(2)+CHCl_(3)+ak.KOH overset(Delta)to underset("Methylisocynide (Foul smelline)")(CH_(3)NC+3KCl+3H_(2)O)`