1.

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

Answer»

`Br_(2)` in AQUEOUS KOH
`Br_(2)` in alcoholic KOH
`Cl_(2)` is sodium
Sodium in ether

Solution :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))`


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