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  4. Reaction of trans 2-phenyl-1-bromocyclopentane on reaction with alcoholic KOH produces

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Q. Reaction of trans 2-phenyl-1-bromocyclopentane on reaction with alcoholic KOH produces

AIEEEAIEEE 2006Haloalkanes and Haloarenes

Solution:

Trnas-2-phenyl-1-Bromo cyclo pentane
Structure is as follows :
halo alloane treatment with dlcoholic $KOH$ results in
$E _{2}$ anti-elimination mechanism
Anti elimination means $H$ and $Br$ both departing groups must be present at dihedral angle $180^{\circ}$ (anti).

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