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  4. On heating potassium permanganate, one of the following compound is not obtained :

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Q. On heating potassium permanganate, one of the following compound is not obtained :

KCETKCET 2015The d-and f-Block Elements

Solution:

When heated . potassium permanganate decomposes at $513 \,K $

$\underset{\text{Patassium permanganate }}{{2KMnO_4}} \xrightarrow[{513\, K}]{\text{Heat} } \underset{\text{Potassium manganate }}{{K_2MnO_4}}+MnO_2+O_2$

So, MnO is not obtained