General

The increasing order of solubility is

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(A) LiHCO3 < KHCO3 < NaHCO3
(B) NaHCO3 < KHCO3 < LiHCO3
(C) KHCO3 < NaHCO3 < LiHCO3
(D) LiHCO3 < NaHCO3 < KHCO3

Ans. D

Sol. Solubility of salt is function of lattice energy and hydration energy. For maximum solubility of salt, hydration energy should be high and lattice energy should be low.

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