Q.In the preparation of $KMnO_4$ , pyrolusite ore ( $MnO_2$ ) is fused with $KOH$ in the presence of an oxidizing agent like $KNO_3$ to first form:

K_2MnO_4

(dark green)

Mn_2O_7

(oil)

MnSO_4

(pink)

KMnO_4

(purple)

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.In the preparation of KMnO4KMnO_4KMnO4​, pyrolusite ore (MnO2MnO_2MnO2​) is fused with KOHKOHKOH in the presence of an oxidizing agent like KNO3KNO_3KNO3​ to first form: