COMEDK Exam 2018 Solved Paper

In Hofmann bromamide reaction, primary amide reacts with bromine and sodium hydroxide to form isocyanate, which is hydrolysed to give primary amine (with one carbon less) along with decarboxylation.

RRONH2

Primary‌amide

+Br2+NaOH→R−N=C=O

H2O

─────▶

−CO2

RNH2

Primary‌amine