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  • Write the balanced chemical equations involved in the preparation of from pyrolusite ore <img alt="(MnO_{2})" src="https://learn.careers360.com/latex-image/?%28MnO_%7B2

Write the balanced chemical equations involved in the preparation of KMnO_{4} from pyrolusite ore (MnO_{2}).

 

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2MnO2 + 4KOH + O2  \rightarrow 2K2MnO4 + 2H2O

3MnO42- + 4H+  \rightarrow 2 MnO42- + MnO2 + 2H2O

MnO42-  \overset{electrolytic oxidation }{\rightarrow}    MnO4-   + e-

 

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Safeer PP

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