Chemistry-Substitution Reactions
NEET Chemistry Substitution Reactions MCQ Question
Type: MCQ-fact-Medium-Class 11
What happens to the aromatic character of the sigma complex during a substitution reaction?
A
It loses its aromatic character.
B
It gains additional aromatic character.
C
It remains unchanged throughout the reaction.
D
It fluctuates temporarily but returns to normal.
Correct Answer
Option A
Detailed Explanation
The sigma complex or arenium ion loses its aromatic character because delocalization of electrons stops at the sp³ hybridised carbon.
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