1.

From Lithium to Caesium stabilities of peroxides and superoxides of alkali metals ------ and the most stable superoxide is ----- due to ----

Answer»

Increases, `LiO2_(2)` high HYDRATION ENERGY
DECREASES, `NaO_(2)`, high ionisation energy
Increases, `CsO_(2),` low ionisation energy
Increases, `CsO_(2)`, high lattice energy 

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