Question

please explain this question.....
100 points ..
please ​

Answer 1

4)3-phenylcyclopentene

Explanation: It follows E2 mechanism. 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.

Answer 2

Reaction of trans-2phenyl-lbromo

cyclopentane on reaction from

alcoholic koh produces

3-phenylcyclopentane.

4.3-phenylcyclopentane ✔️