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Nitrobenzene is prepared from benzene by...

Nitrobenzene is prepared from benzene by using conc.`HNO_3 and conc.H_2SO_4`. In the nitrating mixture, nitric acid acts as a /an-

A

base

B

acid

C

reducing agent

D

catalyst

Text Solution

Verified by Experts

The correct Answer is:
A
It accepts a proton from `H_2SO_4` and forms its conjugate acid
`(O_2N-overset(oplus)OH_2)`. Then it dissociates to form a nitronium `(overset(oplus)NO_2)` ino.
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