The treatment of acylazide `(RCON_(3))` with acidic or alkaline medium gives.

Options

A. `RCONH_(2)`
B. `R- NH_(2)`
C. `RCH_(2)NH_(2)`
D. `RCOCH_(2)NH_(2)`

Answer

B

Explanation

This is known as ‘Curtius reaction’. This involves pyrolysis of acid azide to form isocyanate which produces `1^(@)` amine on hydrolysis.
`R- overset(overset(O)(||))(C) - N -= N underset(-N_(2))overset(Delta)rarr R - N = C- O underset(-CO_(2))overset(H_(2)O)rarr RNH_(2)`