Chemistry-Substitution Reactions
NEET Chemistry Substitution Reactions MCQ Question
Type: MCQ-diagram based-Medium-Class 11
Consider a diagram showing the mechanism of the electrophilic substitution reaction of benzene with chlorine in the presence of anhydrous AlCl3. Which step involves the loss of aromatic character of benzene?
A
Formation of the sigma complex
B
Generation of the electrophile
C
Removal of the proton
D
Formation of the carbocation intermediate
Correct Answer
Option A
Detailed Explanation
The sigma complex or arenium ion forms during electrophilic substitution reactions, causing the loss of aromatic character as the delocalization of electrons is interrupted.
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