The solubilities of carbonates decrease down the magnesium group due to a decrease in
A
lattice energies of solids
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B
hydration energies of cations
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C
inter-ionic attraction
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D
entropy of solution formation.
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Solution
The correct option is B hydration energies of cations Solubility depends upon hydration energy of cations. Solubility decreases with decrease in decrease in hydration energy .