What is the major product of the reaction :

$\text{Methyl cyclopentene}+{\text{KMnO}}_4/{\text{H}}^{+}/\text{Cold}\to$ ?

In the following reaction sequence

X and Y are

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 of the following reaction is:

The major product in the following conversion is

The major product of the following reaction is:

The correct name of the following polymer is: