NEET2016Chemistry-Organic Chemistry

NEET 2016 Chemistry Electrophilic Aromatic Substitution MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Consider the nitration of benzene using mixed conc. H₂SO₄ and HNO₃. If a large amount of KHSO₄ is added to the mixture, the rate of nitration will be ______.

A

unchanged

B

doubled

C

faster

D

slower

Correct Answer

Option D

Detailed Explanation

Adding KHSO₄ decreases the concentration of the nitronium ion (NO₂⁺), which is the active nitrating species, thus slowing down the rate of nitration.

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