Oxidation number of oxygen in K2O,K2O2 a...

Oxidation number of oxygen in `K_2O,K_2O_2` and `KO_2` respectively is :

A

-2,-2,-2

B

-2,-1,-2

C

`-1,-2,-1/2`

D

`-2,-1,-1/2`

Verified by Experts

The correct Answer is:

D

`K_(2)O:O=-2`
`K_(2)O_(2):O=-1`
`KO_(2):O=-(1)/(2)`.

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