KMnO4 can be prepared from K2MnO4 as per the reaction:3MnO2–4 + H2O ⇌ 2MnO–4 + MnO2 + 4OH–The reaction can go to completion by removing OH

For Competitive Exams

KMnO₄ can be prepared from K₂MnO₄ as per the reaction:

3MnO2–
4 + H₂O ⇌ 2MnO–
4 + MnO₂ + 4OH^–

The reaction can go to completion by removing OH^– ions by adding

KOH

CO₂

SO₂

HCl

Next Question

The correct order of $\text{E}_{\text{M}^{2+}/\text{M}}^o$ values with negative sign for the four successive elements Cr, Mn, Fe and Co is

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