Give the structures of `(A),(B)` and `(C)(`explanation is not required `).`
`i.` `(A)(C_(4)H_(8))` that adds on `HBr` in the presence and in the absence of peroxide to give the same product, `C_(4)H_(9)Br`.
`ii.` `(B)(C_(4)H_(8)),` which when treated with `H_(2)O //H_(2)SO_(4)` gives `C_(4)H_(10)O` that cannot be resolves into optical isomers.
`iii.` `(C)(C_(6)H_(12),` an optically active hydrocarbon which on catalytic hydrogenation gives an optically inactive compound, `C_(6)H_(14))`

Answer

`CH_(3)-CH_(2)-undersetunderset((CH_(6)H_(12)))(CH_(3))underset(|)overset(H)overset(|)(C)-CH=CH_(2)`