NEET Chemistry Elimination Reactions MCQ Question with Solution

When 2-bromo-3-methylbutane undergoes dehydrohalogenation, which alkene is expected to be the major product according to Zaitsev's rule?

A

2-methyl-2-butene

B

3-methyl-1-butene

C

2-methyl-1-butene

D

1-butene

Correct Answer

Option A

Detailed Explanation

According to Zaitsev's rule, the preferred alkene product in dehydrohalogenation is the one with the greater number of alkyl groups attached to the doubly bonded carbon atoms. Thus, 2-methyl-2-butene is the major product.

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