During the mixed acid nitration of benzene,concentrated $HNO_3$ behaves like:

The major product of the given reaction is:

What is the end product obtained on the nitration of toluene?

Benzene undergoes substitution reaction more easily than addition because:

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 :

Give examples of Friedel-Crafts alkylation.