Assertion: Benzene on heating with conc. H2SO4 gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene. Reason: Sulphonation is a reversible process.

Question

Assertion: Benzene on heating with conc. H2SO4 gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene. Reason: Sulphonation is a reversible process. (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

Sulphonation of benzene is an electrophilic substitution reaction in which SO3 acts as the electrophile.

Q. Assertion : Benzene on heating with conc. $H_{2} S O_{4}$ gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene.
Reason : Sulphonation is a reversible process.

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

Sulphonation of benzene is an electrophilic substitution reaction in which $S O_{3}$ acts as the electrophile.

Q. Assertion : Benzene on heating with conc. H2​SO4​ gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene. Reason : Sulphonation is a reversible process.