The product of the reaction of styrene $\left({\mathrm{C}}_6{\mathrm{H}}_5\mathrm{CH}={\mathrm{CH}}_2\right)$ with diborane $\left({\mathrm{B}}_2{\mathrm{H}}_6\right)$, followed by reaction with alkaline hydrogen peroxide is

The major product in the following conversion is

The major product of the following reaction is:

In the given reaction, the product $\mathrm{P}$ is

What is the major product expected from the following reaction?



Where D is an isotope of hydrogen.

The major product $\left[\mathrm{C}\right]$ of the following reaction sequence will be :

The major product in the following reaction is :