Propene,$CH_3-CH=CH_2$ can be converted to $1-propanol$ by oxidation. Which set of reagents among the following is ideal to effect the conversion?

The major product $(P)$ in the reaction
$Ph-CH=CH-CH_2Br \xrightarrow{HBr} ?(P)$
$[$where $Ph$ is $-C_6H_5]$ is ....

In the reaction with $HCl$,an alkene reacts in accordance with the Markovnikov's rule to give a product $1-$chloro$-1-$methylcyclohexane. The possible alkene is

When $CH_2=CH-COOH$ is reduced with $LiAlH_4$,the compound obtained will be:

The correct structure of the product $A$ formed in the reaction shown below is:
$Cyclohex-2-en-1-one \xrightarrow[{Pd/C, \text{ ethanol}}]{{H_2 \text{ (gas, 1 atm)}}} A$

Two isomers $A$ and $B$ with molecular formula $C_4H_8$ give different products on oxidation with $KMnO_4$ in acidic medium. Isomer $A$ on reaction with $KMnO_4 / H^{+}$ results in effervescence of a gas and gives a ketone. The compound $A$ is ...... .