The chemical reaction is shown below:
$C_6H_5-CH_2-CH=CH_2 + HCl \rightarrow X$,$X$ is:

Predict the major product $A$ for the following reaction:
$1\text{-methyl-1-vinylcyclohexane} + HBr \xrightarrow{CCl_4} A$

Which of the following compounds on heating with potassium permanganate $(KMnO_4)$ and dilute sulphuric acid $(H_2SO_4)$ forms adipic acid?

The major products $P$ and $Q$ from the below reactions are :
$CH_3CH=CH_2 \xrightarrow{HBr} P$
$CH_3CH=CH_2 \xrightarrow[(BH_3)_2]{H_2O, H_2O_2 / OH^-} Q$

Identify the reagent$(s)$ $A$ and condition$(s)$ for the reaction shown in the image:

${\text{Glycerol}}$ $\xrightarrow{KHSO_4} (A)$ $\xrightarrow{LiAlH_4} (B)$; $(A)$ and $(B)$ are respectively: