Olefins can be hydrogenated by

The reaction of trans-but$-2-$ene with $Br_2$ in $CCl_4$ yields products. The number of stereoisomeric products $(X)$ formed is:

Conversion of cyclohexene to cyclohexanol can be conveniently achieved by

Which of the following reactions proceeds via a secondary free radical?

The reaction of a hydrocarbon with hypochlorous acid $(HOCl)$ gives $2-$chloroethanol. The hydrocarbon is .........

The major product of the following reaction is $F_3C-CH=CH_2 + HBr \rightarrow$