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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