Benzene on nitration gives nitrobenzene in presence of ${\mathrm{HNO}}_3$ and ${\mathrm{H}}_2{\mathrm{SO}}_4$ mixture, where:

For above chemical reactions, identify the correct statement from the following:

 The major product of the following reaction is:

The major product in 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 of the following reaction is: