Question

What happens when potassium manganese is heated in air?

Answer 1

One method of preparing pure oxygen is by heating the chemical potassium permanganate. This compound decomposes when heated, releasing oxygen. If magnesium is heated in a stream of pure oxygen, there is a rapid and vigorous reaction.

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Answer 2

2k + 2Mn + 3O2 ----------> 2KMnO3

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