question_answer

Nitrobenzene can be prepared from benzene by using a mixutre of cone  and cone.      [AIPMT (S) 2009]  In the mixture, nitric acid acts as a/an:

A) reducing agent

B) acid

C) base

D) catalyst

Correct Answer: C

Solution :

[c] Key Idea Proton donor are acids and proton acceptor are bases.

Cone.  and cone.  react in the following manner:

Hence, in this reaction acts as a base and as an acid.