In the neutral or faintly alkaline medium, KMnO4 oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from ______.

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In the neutral or faintly alkaline medium, KMnO4 oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from +7 to +4. Explanation: In neutral or faintly alkaline medium, potassium permanganate (KMnO4) acts as an oxidising agent. Manganese in KMnO4 has an oxidation state of +7. During the reaction, it gets reduced to MnO2, where the oxidation state of manganese is +4.

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