Assertion: Electrophilic substitution reactions in haloarenes occur slowly and require more drastic conditions as compared to those in benzene. Reason: Halogens are ortho and para-directors.

Question

Assertion: Electrophilic substitution reactions in haloarenes occur slowly and require more drastic conditions as compared to those in benzene. Reason: Halogens are ortho and para-directors. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false.

Tardigrade Admin · Accepted Answer

Halogen atom because of its -I effect has some tendency to withdraw electrons from the benzene ring, as a result, the ring gets somewhat deactivated as compared to benzene.

Q. Assertion : Electrophilic substitution reactions in haloarenes occur slowly and require more drastic conditions as compared to those in benzene.
Reason : Halogens are ortho and para-directors.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

Halogen atom because of its $- I$ effect has some tendency to withdraw electrons from the benzene ring, as a result, the ring gets somewhat deactivated as compared to benzene.

Q. Assertion : Electrophilic substitution reactions in haloarenes occur slowly and require more drastic conditions as compared to those in benzene. Reason : Halogens are ortho and para-directors.