What is the correct order of stability for the superoxides?
- A$KO_2 > RbO_2 > CsO_2$
- B$KO_2 > CsO_2 > RbO_2$
- C$CsO_2 > RbO_2 > KO_2$
- D$RbO_2 > CsO_2 > KO_2$
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