cis-1-chloro-2 methyl cyclohexane is subjected to dehydrohalogenation by E2 mechanism. The product is
A
3-methylcyclohexene
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B
1-methylcyclohexene
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C
Methylidene cyclohexene
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D
6-methylcyclohexene
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Solution
The correct option is B 1-methylcyclohexene Both C2 and C6 are having a H atom in anti-periplanar position to Cl. Zaitsev product, the more stable one is formed when β−H from C2 is removed. If β−H from C6 is removed, the less stable Hofmann product is formed. Hence, Zaitsev product is the major product formed.