Chemistry-Substitution Reactions
NEET Chemistry Substitution Reactions MCQ Question
Type: MCQ-fact-Hard-Class 11
What happens to the aromatic character of the sigma complex during electrophilic substitution?
A
It loses its aromatic character.
B
It gains additional aromatic character.
C
It remains unchanged.
D
It becomes non-aromatic.
Correct Answer
Option A
Detailed Explanation
The sigma complex or arenium ion loses its aromatic character because delocalisation of electrons stops at the sp3 hybridised carbon, as mentioned in the context.
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