Question

Which of the following pair will be formed by the decomposition of KMnO4?

Options :

  1. KMnO4,MnO2

  2. K2MnO4, MnO2

  3. K2MnO4, H2O

  4. MnO2, H2O

Show Answer

Answer :

K2MnO4, MnO2

Solution :

KMnO4 decomposes upon heating at 513 K and forms K2MnO4 and MnO2.

2KMnO4 → K2MnO4 + O2 + MnO2

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