question_answer

An organic compound 'A' \[({{C}_{3}}{{H}_{9}}N)\] reacts with benzene sulphonyl chloride to give a solid insoluble in alkali. The structure of 'A' is

A) \[C{{H}_{3}}\,NH\,{{C}_{2}}{{H}_{5}}\]

B) \[{{(C{{H}_{3}})}_{3}}N\]

C) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]

D) insufficient data to predict

Correct Answer: A

Solution :

[a] Benzene-sulphony1 chloride (Hinsberg reagent) yields a solid insoluble in alkali with secondary amines.