Hot and conc. $\mathrm{K}\mathrm{M}\mathrm{n}{\mathrm{O}}_4$ at 373-383 K reacts with pent-2-ene to form

In the following reaction sequence

X and Y are

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

The major product in the following conversion 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 of the following reaction is: