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AIEEE 2006 Solved Paper
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© examsnet.com
Question : 43
Total: 143
Reaction of trans-2-phenyl-1-bromocyclopentane on reaction with alcoholic
KOH
produces
4-phenylcyclopentene
2-phenylcyclopentene
1-phenylcyclopentene
3-phenylcyclopentene
Validate
Solution:
Hughes and Ingold proposed that bimolecular elimination reactions take place when the two groups to be eliminated are trans and lie in one plane with the two carbon atoms to which they are attached i.e. E2 reactions are stereoselectively trans.
© examsnet.com
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