Chemistry-Nucleophilic Addition

NEET Chemistry Nucleophilic Addition MCQ Question

Type: MCQ-diagram based-Medium-Class 12

Consider a diagram showing the nucleophilic addition mechanism involving an aldehyde and a nucleophile. After the nucleophile attacks the carbonyl carbon, what is the immediate hybridization change observed at the carbon atom?

Question diagram
A

sp2 to sp3

B

sp3 to sp2

C

sp to sp2

D

sp3 to sp

Correct Answer

Option A

Detailed Explanation

According to the NCERT context, during nucleophilic addition, the nucleophile attacks the carbonyl carbon, changing its hybridization from sp2 to sp3 as a tetrahedral alkoxide intermediate is formed.

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