Question

Hinsberg’s reagent reacts with primary and secondary amines to form sulphonamides. This reagent is also known as:

Options

• N-Methylbenzamide

• None of these

• Benzenesulphonyl chloride

• p-toluenesulphonyl chloride

Answer 1

Benzenesulphonyl chloride

Explanation:

C₆H₅SO₂Cl₂.This is benzene sulphonyl chloride known as hinsberg’s reagent. It is used to distinguish between primary, secondary, and tertiary amine.