Aromatic molecules do not possess which of the following?

Complete the following reactions and identify $A, B, C$ respectively:
$(i)$ $\text{Phenol} + A \xrightarrow{\text{distill}} \text{Benzene}$
(ii) $\text{Benzenesulfonic acid} + B \xrightarrow{150-200^{\circ}C, \text{HCl, high pressure}} \text{Benzene}$
(iii) $\text{Chlorobenzene} \xrightarrow{C, \text{NaOH}} \text{Benzene}$

Which of the following compounds is most reactive towards electrophilic nitration?

Which of the following is/are produced when a mixture of benzene vapour and oxygen is passed over $V_2O_5$ catalyst at $775\, K$?

The compound '$A$' with molecular formula $C_8H_{10}$ (aromatic) which gives $1$ mononitro substituted product and $3$ dinitro substituted products is:

Which compound from the following contains an $N$ atom in its ring?