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Oxygen is prepare by heating of potassiu...

Oxygen is prepare by heating of potassium permagnate.
a) Write the chemical equation
b) How is oxygen prepared industrially
c) Write 2 uses of oxygen.

Text Solution

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a) .2KMnO_4 + Heat rarr K_2MnO_4 + MnO_2 + O_2.
b) Gases can be liquified by lowering the temperature and applying pressure. Oxygen is industrially produced by the fractional distillation of liquified air.
c) As an oxidant in rocket fuels.
Manufacture of .HNO_3, H_2SO_4. etc.,
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