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Question

Question: On heating pyrollusite with \(KOH\) in presence of air we get....

On heating pyrollusite with KOHKOH in presence of air we get.

A

KMnO4KMnO_{4}

B

K2MnO4K_{2}MnO_{4}

C

Mn(OH)2Mn(OH)_{2}

D

Mn3O4Mn_{3}O_{4}

Answer

K2MnO4K_{2}MnO_{4}

Explanation

Solution

MnO2pyrollusite+KOH→K2MnO4\underset{\text{pyrollusite}}{MnO_{2}} + KOH \rightarrow K_{2}MnO_{4}