Amines - Result Question 46
####48. Nitrobenzene can be prepared from benzene by using a mixture of conc. $HNO_3$ and conc. $H_2 SO_4$; in the mixture, nitric acid acts as a/an:
[2009]
(a) acid
(b) base
(c) catalyst
(d) reducing agent
Show Answer
Solution:
- (b) $\underset{\text{ Base }}{HONO_2}+\underset{\text{ Acid }}{H_2 SO_4}$
(Y)
$ \longrightarrow NO_2^{+}+H_2 O+HSO_4^{-} $
Nitric acid acts as a base by accepting a proton.
