Correct order of solubility is

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(A) The solubility of alkali metal bicarbonates increases down the group due to the decrease in lattice energy being more significant than the decreas

Vedclass · Accepted Answer

$LiHCO_3 < NaHCO_3 < KHCO_3$

Vedclass · Answer

(A) The solubility of alkali metal bicarbonates increases down the group due to the decrease in lattice energy being more significant than the decrease in hydration energy. Thus,the order is $LiHCO_3 For alkaline earth metal sulfates,the solubility decreases down the group because the hydration energy decreases more rapidly than the lattice energy due to the large size of the sulfate anion. Thus,the order is $BeSO_4 > MgSO_4 > CaSO_4 > SrSO_4 > BaSO_4$.For alkali metal chlorides,the solubility generally increases down the group as the lattice energy decreases significantly. Thus,$NaCl For alkaline earth metal hydroxides,the solubility increases down the group as the lattice energy decreases more rapidly than the hydration energy due to the small size of the hydroxide ion. Thus,$Be(OH)_2 Comparing the given options,$A$ is correct.

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