Sodium sulphate is soluble in water whereas b | vedclass

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(C) The solubility of an ionic compound in water depends on the balance between its lattice energy and hydration energy. For a salt to be soluble,the

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The lattice energy of $BaSO_4$ is more than its hydration energy

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(C) The solubility of an ionic compound in water depends on the balance between its lattice energy and hydration energy. For a salt to be soluble,the hydration energy must be greater than the lattice energy. In the case of $Na_2SO_4$,the hydration energy is greater than the lattice energy,making it soluble. In the case of $BaSO_4$,the lattice energy is significantly higher than the hydration energy due to the high charge density and strong ionic interaction,which makes it sparingly soluble.

Sodium sulphate is soluble in water whereas barium sulphate is sparingly soluble because

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