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A metallic oxide reacts with water to fr...

A metallic oxide reacts with water to from its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be

A

`CaO`

B

`KO_2`

C

`Li_2O`

D

`Na_2O_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`2KO_2 + 2H_2O to 2KOH + H_2O_2 + O_2`
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