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Question

Reaction of trans−2−phenyl−1−bromo-cyclopentane on reaction with alcoholic KOH produces:

A
4phenyl cyclopentene
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B
2phenyl cyclopentene
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C
1phenyl cyclopentene
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D
3phenyl cyclopentene
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Solution

The correct option is A 3phenyl cyclopentene
Bi molecular elimination reactions takes place when two groups to be eliminated are trans and lie in one plane with two carbon atoms to which they are attached. So D is the correct option.
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