An aqueous solution of a gas (G) decolourises acidified permanganate a – InterviewSolution

1.	An aqueous solution of a gas (G) decolourises acidified permanganate and pararosanilide. On boiling G with hydrogen peroxide, an acid X is formed, which gives a white precipitate Y with barium chloride solution. Y is insoluble in dilute hydrochloric acid. Identify the compounds G and Y.
Answer» SOLUTION :`G=SO_(2),Y=BaSO_(4)`

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