In the following sequence of reactions, the alkene affords the compound $\mathrm{B}$.
${\text{CH}}_3\text{CH}={\text{CHCH}}_3\stackrel{{\text{O}}_3}{⟶}\text{A}\underset{\text{Z}\mathrm{n}}{\overset{{\text{H}}_2\text{O}}{⟶}}\text{B}$
 The compound $\mathrm{B}$ is:

The major product of the following reaction is:

In the following reaction sequence

X and Y are

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:

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

The major product in the following conversion is

The correct name of the following polymer is: