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JEE Main levelSingle correct optionDifficulty 2 of 3bn094

Which is the formula of potassium ozonide?

A $KO X_{2}$
B $K X_{2} O X_{3}$
C $KO X_{3}$
D $K X_{2} O X_{2}$

Answer: C

The ozonide ion is

O X_{3} X^{-}

(average oxygen number

- 1/3

), so one

K X^{+}

is needed:

KO X_{3}

.

KO X_{2}

is the superoxide and

K X_{2} O X_{2}

the peroxide.

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