Functional group present in sulphonic acid is : (A) SO4H (B) SO3H (C) – S – OH O (D) – SO2 | JEE Mains Chemistry Past Papers — Chem-Mantra | Chem-Mantra

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Question

Functional group present in sulphonic acid is : (A) SO4H (B) SO3H (C) – S – OH O (D) – SO2

Answer: B

💡 Solution & Explanation

S OH O O Group present in sulphonic acids

💬

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