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Describe the preparation of potassium permanganate from pyrolusite ore. Write balanced chemical

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Describe the preparation of potassium permanganate from pyrolusite ore. Write balanced chemical equation for one reaction to show oxidizing nature of potassium permanganate.

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Potassium permanganate is prepared from pyrolusite ore with KOH in the presence of oxidising agent like KNO3. The dark green potassium manganate undergoes electrolytic oxidation to produce potassium permanganate.

Oxidising nature of potassium permanganate can be shown as :

Ferrous to ferric

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