question_answer

An amine \[{{C}_{3}}{{H}_{9}}N\]reacts with benzene sulphonyl chloride to form a white precipitate which is insoluble in aq. NaOH. The amine is

A)  

B)  

C)  

D)  

Correct Answer: B

Solution :

 Since, the amine gives white precipitate with benzene sulphonyl chloride which is insoluble in aq. NaOH, so it must be a secondary amine (i.e., amine having RNHR group). Among   the   given   compound,   only  is a secondary amine, so it represents the structure of given amine.