Question

Which of the following statements is INCORRECT in case of Hofmann bromamide degradation ?

• A. Reaction is useful for decreasing length of carbon chain by one carbon atom
• B. It gives tertiary amine
• C. It gives primary amine
• D. Aqueous or alcoholic $KOH$ is used with bromine

Answer 1

Answer: (B)

It gives tertiary amine

Answer 2

The correct option is(B): It gives tertiary amine.

The statement (B), 'It gives tertiary amine' is an incorrect statement.
The correct statement is, 'It gives primary amine'.
$R - CONH _{2}+ Br _{2}+4 NaOH \rightarrow R - NH _{2}+ Na _{2} CO _{3}+2 NaBr +2 H _{2} O$