Which one of the following gives amine on heating with amide?

Options

A. `Br_(2)` in aqueous KOH
B. `Br_(2)` in alcoholic KOH
C. `Cl_(2)` is sodium
D. Sodium in ether

Answer

A

Explanation

Only treatment of amide with `Br_(2)` in aqueous solution of Na or KOH will give an amine with lesser no. of carbon atoms than in the reactant.
`underset("Amide")(R-CONH_(2)) underset(underset("degradation")("Hofmann bromamide or"))overset(Br_(2)//KOH, Delta)rarr underset("Amine")(R-NH_(2))`