Select the correct statement(s).

Moderate

A

NaOH does not form hydrated salt
B

Stability of peroxides and superoxides of alkali metals increases with increase in size of the metal ion
C

Stability of MO₂ and M₂O₂ is due to stabilisation of larger anions by larger cations through lattice energy effects
D

The low solubility of LiF is due to its high lattice energy whereas low solubility of CsI is due to relatively smaller hydration energy

Solution

(1) NaOH is crystalline deliquescent solid hence, it forms hydrated salt.
Thus, it is incorrect
peroxides and superoxides have larger anions hence they stablize only with larger cations

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