1.

An organic compound (C_(3)H_(9)N) (A) when treated with nitrous acid, gave an alcohol and N_(2) gas was evolved (A) on warming with CHCl_(3) and caustic potash gave (C) which onreduction gave isopropyl methylamine. Predict the structure of (A)

Answer»


`CH_(3)CH_(2)NH-CH_(3)`
`CH_(3)-underset(CH_(3))underset(|)N-CH_(3)`
`CH_(3)CH_(2)CHNH_(2)`.

Solution :Since COMPOUND `A(C_(3)H_(9)N)` reacts with `HNO_(2)` to give alcohol and `N_(2)` gas, therefore, it must be a PRIMARY alipgatic amine. Further, since `1^(@)` aliphatic amine (A) on warming with `CHCl_(3)` and caustic protash gave compound (C) which on reduction gave isopropyl methyl amine, therefore, `1^(@)` amine (A) must be isopropylamine, i.e., option (A) is CORRECT



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