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Trans - 2 phenyl 1 - bromocyclopenta ne ...

Trans - 2 phenyl 1 - bromocyclopenta ne on reaction with alcoholic KOH produces

A

2-phenylcyclopentene

B

1-phenylcyclopentene

C

3-phenylcyclopentene

D

4-phenylcyclopentene

Text Solution

Verified by Experts

The correct Answer is:
C


It is anti-elimination reaction in which H-atom from second carbon atom cannot be eliminated because it is in syn position. But H atom from 5th carbon gets eliminated.
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Knowledge Check

  • Reactio of trans 2-phynyl-1- bromocyclopentane on reaction with alcoholic KOH produces

    A
    4-phenylchlopentene
    B
    2-phenylcyclopentene
    C
    1-phenylcyclopentene
    D
    3-phenylcyclopentene
  • Correct order for reaction with alcoholic KOH

    A
    a gt b gt c gt d
    B
    a gt c gt b gt d
    C
    d gt b gt c gt a
    D
    a gt d gt b gt c
  • n-propyl bromide on treating with alcoholic KOH produces

    A
    Propyne
    B
    Propanol
    C
    Propane
    D
    Propene
  • MODERN PUBLICATION-HYDROCARBONS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS from competitive examinations (JEE (Main) and Other State Boards. Engineering Entrance))
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