Question

Which of the following statement is incorrect regarding nitration of aromatic compounds?
I. The rate of nitration of benzene decreases at $323-333\, K$.
II. The rate of nitration of toluene is greater than that of benzene.
III. The rate of nitration of chlorobenzene is greater than that of benzene.
IV. Nitration is an electrophilic substitution reaction. Choose the incorrect statement.

• A. Only I
• B. Both I and III
• C. II and IV
• D. All of these

Answer 1

Answer: (B)

Statements I and III are incorrect.
It's correct form is as follows :
I. The rate of nitration of benzene increases at high. temperature, i.e. $323-333\, K$.
III. The rate of nitration of chlorobenzene is lower than that of benzene.
Rest other statements are correct.