Which compound is formed when benzene is heated with chlorine in the presence of sunlight?

Discuss the step that involves the liberation of a proton from the $\sigma$-complex.

Identify the correct statements regarding the presence of a $-NO_{2}$ group in a benzene ring:
$A$. It increases the electron density of the benzene ring.
$B$. It deactivates the benzene ring towards electrophilic aromatic substitution.
$C$. It activates the benzene ring towards nucleophilic aromatic substitution.
$D$. It directs the incoming electrophile to the ortho and para positions.

Among the following,the aromatic compounds are:

The major product of the reaction is

Give reason: Nitration of benzene is not possible with only $HNO_3$.