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When MnO2 is fused with KOH, a purple coloured compound is formed. The compound is (a) Mn2O4 (b) KMnO4 (c) K2MnO4 (d) Mn2O3

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When MnO2 is fused with KOH, a purple coloured compound is formed. The compound is

(a) Mn2O4

(b) KMnO4

(c) K2MnO4

(d) Mn2O3

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Answer is : (c) K2MnO4

2MnO2 + 4KOH + O2 \(\rightarrow \underset{\text{Purple green}}{2K_2MnO_4}\) + 2H2O

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