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

 

Answers (1)
S safeer

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

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

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

 

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