[" The alkene that will give the same product with HBr "],[" in the absence as well as in the "],[" presence of peroxide is "]

The alkene that will give the same product with HBr in the presence as well as in the presence of peroxide is

The number of alkenes among the following that would give the same product on addition of HBr, in absence or presence of peroxide is .......... Propene, I-butene, 2- butene, 2-methyl propene, 3-methyl 1- butene, 2, 3-dimethyl-1-butene, 2- pentene

the addition of HBr to an alkene in the presence of a peroxide is

Reaction of HBr with propane in the presence of peroxide gives

Reaction of HBr with propene in the presence of peroxide gives :-

Reaction of HBr with propene in the presence of peroxide gives :-