The correct order of stability of the superoxides is

The correct order of stability of the superoxides is

Options

(a) KO₂ > RbO₂ > CsO₂
(b) KO₂ > CsO₂ > RbO₂
(c) CsO₂ > RbO₂ > KO₂
(d) RbO₂ > CsO₂ > KO₂

Correct Answer:

CsO₂ > RbO₂ > KO₂

Explanation:

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  • Stability of superoxides increases with increase in size and electropositivity of the metal. Hence, the order is CsO2 > RbO2> KO2

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