The major product $\mathrm{C}$ obtained in the following reaction sequence is

${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2\underset{{\mathrm{CCl}}_4 }{\overset{{\mathrm{Br}}_2}{\to }}\mathrm{A}\underset{\left(\mathrm{ii}\right). {\mathrm{NaNH}}_2}{\overset{\left(\mathrm{i}\right).\mathrm{KOH},\mathrm{alcohol}}{\to }}\mathrm{B}\underset{333\mathrm{K}}{\overset{{\mathrm{Hg}}^{2+}}{\to }}\mathrm{C}$

The major product of the following reaction is:

The major product of the following reaction 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

Which among the following depicts the correct order of acidity?

The correct name of the following polymer is: