Oxygen gas can be prepared from solid KM...

Oxygen gas can be prepared from solid `KMnO_(4)` by

A

Dissolving the solid in dil. HCI

B

Dissolving the solid in dil. `H_(2)SO_(4)`

C

Treating the solid with `H_(2)` gas

D

Strongly heating the solid

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The correct Answer is:

D

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KMnO_4 can be prepared from K_2MnO_4 as per the reaction: The reaction can go the completion by removing OH^(ɵ) ions by adding.