AIIMS2009Chemistry-Inorganic Chemistry
AIIMS 2009 Chemistry Oxides MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The correct order of stability of the superoxides is
A
KO₂ > RbO₂ > CsO₂
B
KO₂ > CsO₂ > RbO₂
C
CsO₂ > RbO₂ > KO₂
D
RbO₂ > CsO₂ > KO₂
Correct Answer
Option C
Detailed Explanation
Stability of superoxides increases with increase in size and electropositivity of the metal.
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