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प्रश्न
How is the equivalent mass of KMnO4 related to its molecular mass in acidic medium?
अति संक्षिप्त उत्तर
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उत्तर
In an acidic medium, the equivalent mass of KMnO4 is one-fifth of its molecular mass, because it undergoes a 5-electron change during the redox reaction.
Equivalent mass = `"Molecular mass"/5`
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