A) Stability of superoxides of alkali metals increases with increase in size of the metal ion
B) Not all bicarbonates of IIA exist in solution
C) Increase in stability in is due to stabilisation of large 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 smaller hydration energy
Correct Answer: B
Solution :All bicarbonates of IIA exist in solution.
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