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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_(2)O`

D

`Na_(2)O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("superoxide ")underset("Potassium ")(2KO_(2)+2H_(2)O rarr 2KOH + H_(2)O_(2)+O_(2) uarr)`
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