MHT CET 2022 Chemistry question

Identify the Hinsberg reagent from following.

(A)Benzene sulphonyl chlorideCorrect
(B)Benzyl chloride
(C)Benzoyl chloride
(D)Benzene diazonium chloride

Answer: (A)

Solution

Hinsberg's reagent is benzenesulphonyl chloride, , used to distinguish and separate primary, secondary and tertiary amines. A primary amine gives a sulphonamide soluble in alkali, a secondary amine gives an insoluble sulphonamide, and a tertiary amine

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Question ID VK-093534