The appropriate sequence of reactions for obtaining $2-$phenylbutanoic acid from benzene is

Terpinen$-4-\mathrm{ol}$ is an active ingredient in tea tree oil has the following structure

The correct observations for terpinen$-4-\mathrm{ol}$ is/are
$\mathrm{I}$. It rotates the plane of plane polarized light.
$\mathrm{II}$. It reacts with Baeyer's reagent to form form a triol
$\mathrm{III}$. On reaction with $\mathrm{NaBr}$ and ${\mathrm{H}}_2{\mathrm{SO}}_4$, it gives form a diobromo compound
$\mathrm{IV}$. On ozonolysis it gives a compound with molecular formula ${\mathrm{C}}_{10}{\mathrm{H}}_{18}{\mathrm{O}}_3$ ?

Consider the following reactions.

The major product $\left(\mathrm{Y}\right)$ of the reaction is

The product $\mathrm{P}$ obtained through the following sequence of reactions is

The major product$\text{'}\mathrm{X}\text{'},$ formed in the following reaction is

On reductive ozonolysis yields.