Chemistry-Elimination Reactions

NEET Chemistry Elimination Reactions MCQ Question

Type: MCQ-numerical-Easy-Class 12

In an elimination reaction involving 2-bromopentane, which of the following is the major product based on the number of alkyl groups attached to the doubly bonded carbon atoms?

A

Pent-2-ene

B

Pent-1-ene

C

2-Methylbut-1-ene

D

3-Methylbut-1-ene

Correct Answer

Option A

Detailed Explanation

According to Zaitsev's rule, the preferred product in dehydrohalogenation reactions is the alkene with the greater number of alkyl groups attached to the doubly bonded carbon atoms. Thus, 2-bromopentane gives pent-2-ene as the major product.

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