Which of the following alkenes on treatment with HBr in presence or absence of peroxide give the same product?

Which of the following alkenes on treatment with HBr in presence or ab

1.	Which of the following alkenes on treatment with HBr in presence or absence of peroxide give the same product?
Answer» Cyclohexene But-2-ene Hex-3-ene Ethene Answer :A::B::C::D