Benzene sulphonic acid can be converted back to benzene via desulphonation. What specific conditions — Hydrocarbons Chemistry Question
Question
Benzene sulphonic acid can be converted back to benzene via desulphonation. What specific conditions drive this reversible reaction backward?
Answer: C
💡 Solution & Explanation
Sulphonation is an equilibrium reaction. Heating benzene sulphonic acid with superheated steam (or boiling dilute mineral acid) drives the equilibrium backwards, replacing $-SO_3H$ with $H^+$ to yield benzene.
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