Which one of the following hexachlorocyclohexane is least reactive and which one is most reactive for E2 reaction with a strong base for dehydrohalogenation.

Which one of the following hexachlorocyclohexane is least reactive and

1.	Which one of the following hexachlorocyclohexane is least reactive and which one is most reactive for E2 reaction with a strong base for dehydrohalogenation.
Answer» I LEAST & II least II least& I most III least & I most III least & II most SOLUTION :