Here, bromine radical is formed … It is being formed by two benzoyl groups and those are … The change in regioselectivity of the addition of hbr to an alkene or alkyne in the presence of a peroxide. The peroxides are the compounds containing oxygen-oxygen (o − o) single bond or peroxide ion o 2 2 −. In presence of peroxide, the addition … Benzoyl peroxide (bpo) is an organic compound which belongs to the peroxide family. In the presence of a … Addition reaction of h br to an alkene in the presence of peroxide follows the free-radical mechanism. Assertion :propene reacts with in the presence of benzoyl peroxide to yield 2-bromopropane. The oxidation state of …