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Q.

Correct statements about ${KO}_{2}$ are
A) It is a superoxide
B) Oxidation state of potassium is $- \frac{1}{2}$
C) It reacts with water to form $KOH, H_{2} O_{2} and O_{2}$
D) It is colored
E) It is paramagnetic

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a

All except ‘B’

b

All of these

c

All except ‘B’ and ‘C’

d

All except ‘C’

answer is B.

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Detailed Solution

Oxidation state of ‘K’ in ${KO}_{2}$ is +1

Oxidation state of ‘O’ in ${KO}_{2}$ is $- \frac{1}{2}$

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