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

Alkenes react with water in the presence of acid as a catalyst to form alcohols: $CH_3-CH=CH_2 + H_2O \xrightarrow{H^{+}} CH_3-CH(OH)-CH_3$. The reaction takes place in accordance with:

The organic compound $5-$allylcyclohex$-3-$ene$-1-$ol is reacted with cold,dilute,aqueous solution of $KMnO_4$. The total number of hydroxyl group$(s)$ $(-OH)$ present in the product is

In the given reaction,$(x)$ will be:

Identify the major product $A$ in the following reaction.
$3-$Bromo$-2-$methylpentane $\xrightarrow{alc. KOH} A$

Ozonolysis of an alkene with molecular formula $C_9H_{18}$ yields $2, 2-$ dimethylpropanal and $2-$ butanone. The alkene is ....................