Assertion: Aryl sulphonic acid gives phenol on reacting with NaOH at high temperature. Reason: This reaction is electrophilic substitution reaction.

Question

Assertion: Aryl sulphonic acid gives phenol on reacting with NaOH at high temperature. Reason: This reaction is electrophilic substitution reaction. (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

This is nucleophilic aromatic substitution reaction and occurs via the addition- elimination mechanism with SO32- as the leaving group.

Q. Assertion: Aryl sulphonic acid gives phenol on reacting with NaOH at high temperature.
Reason: This reaction is electrophilic substitution reaction.

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.

This is nucleophilic aromatic substitution reaction and occurs via the addition- elimination mechanism with $S O_{3}^{2 -}$ as the leaving group.

Q. Assertion: Aryl sulphonic acid gives phenol on reacting with NaOH at high temperature. Reason: This reaction is electrophilic substitution reaction.