question_answer

Benzene can be obtained by heating either benzoic acid with X or phenol with Y.X and Y are respectively:

A)  zinc dust and soda lime

B)  soda lime and zinc dust

C)  zinc dust and sodium hydroxide

D)  soda lime and copper

Correct Answer: B

Solution :

Benzene can be obtained by heating benzoic acid with soda-lime. Benzene can also be obtained by heating phenol with zinc-dust.