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SO2 decolorises pink colour of acidified KMnO4 solution.

Assertion: SO2 decolorises pink colour of acidified KMnO4 solution.

Reason: SO2 is an oxidising agent

• (a)Assertion is false but reason is true.
• (b)Assertion is true but reason is false.
• (c)Both assertion and reason are true but reason is not the correct explanation of the assertion.
• (d)Both assertion and reason are true and reason is the correct explanation of the assertion.

Answer

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From ISC 2022 Specimen Chemistry Paper 1, question 49.