Chemistry-Nucleophilic Addition

NEET Chemistry Nucleophilic Addition MCQ Question

Type: MCQ-diagram based-Hard-Class 12

Consider a nucleophilic addition reaction mechanism where a nucleophile attacks the carbonyl carbon of an aldehyde. Which change in hybridization occurs at the carbon during this process?

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, the carbonyl carbon in aldehydes and ketones undergoes a change in hybridization from sp2 to sp3 when a nucleophile attacks, forming a tetrahedral alkoxide intermediate.

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