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Oxygen gas can be prepared from solid KM...

Oxygen gas can be prepared from solid `KMnO_4` by

A

dissolving the solid in dil. `H_2SO_4`

B

dissolving the solid in dil. HCl

C

treating the solid with `H_2` gas

D

strongly heating the solid.

Text Solution

Verified by Experts

The correct Answer is:
D
By strongly heating the solid.
`2KMnO_4 overset(250^@C)to " KMnO_4 + MnO_2 + O_2`

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