1. Tardigrade
  2. Question
  3. Chemistry
  4. 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.

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Q. Assertion : Benzene on heating with conc. $H_2SO_4$ gives benzenesulphonic acid which when heated with superheated steam under pressure gives benzene.
Reason : Sulphonation is a reversible process.

AIIMSAIIMS 2010Hydrocarbons

Solution:

Sulphonation of benzene is an electrophilic substitution reaction in which $SO_3$ acts as the electrophile.

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