$A$ methyl group attached to benzene can be oxidized to a carboxyl group by reacting with:

Identify correct statement/s :
$(A)$ $-OCH_3$ and $-NHCOCH_3$ are activating groups
$(B)$ $-CN$ and $-OH$ are meta directing groups
$(C)$ $-CN$ and $-SO_3H$ are meta directing groups
$(D)$ Activating groups act as ortho- and para-directing groups
$(E)$ Halides are activating groups
Choose the correct answer from the options given below :

Which of the following is an aromatic compound?

Are all $ortho$ and $para$ directing groups activators? Give examples.

When chlorine is passed through warm benzene in the presence of sunlight,the product obtained is:

The nitro group in nitrobenzene is a