Optically active $\text{'}\mathrm{P}\text{'}$ has the molecular formula ${\mathrm{C}}_6{\mathrm{H}}_{12}$ and catalytic hydrogenation converts into achiral ${\mathrm{C}}_6{\mathrm{H}}_{14}$. The structure of ${\mathrm{P}}^{\text{'}}$ is

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

The major product of the following reaction is:

What is the major product expected from the following reaction?



Where D is an isotope of hydrogen.

The major product in the following conversion is

The major product of the following reaction is:

The major product of the following reaction is: