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Consider the nitration of benzene using ...

Consider the nitration of benzene using mixed conc.`H_2SO_4 and HNO_3` . If a large amount of `KHSO_4` is added to the mixture, the rate of nitration will be-

A

faster

B

slower

C

unchanged

D

doubled

Text Solution

Verified by Experts

`HNO_(3) + 2H_(2)SO_(4) hArr H_(3)overset(oplus)(O) + overset(oplus)(N)O_(2) + 2HSO_(4)^(Θ)`
Addition of `KHSO_(4)` increases the concentration of `HSO_(4)^(-)` and due to the common ion effect, production of `NO_(2)^(+)`decreases which slows down nitration process.
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