The ionic compound BaSO_4 is insoluble in wat | vedclass

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Question

(D) The solubility of ionic compounds in water depends on the balance between lattice energy and hydration energy. For $BaSO_4$,the lattice energy is

Vedclass · Accepted Answer

Both $(a)$ and $(c)$

Vedclass · Answer

(D) The solubility of ionic compounds in water depends on the balance between lattice energy and hydration energy. For $BaSO_4$,the lattice energy is very high due to the strong electrostatic attraction between the large $Ba^{2+}$ cation and the large $SO_4^{2-}$ anion. Additionally,the hydration energy of these large ions is relatively low. Since the lattice energy exceeds the hydration energy,$BaSO_4$ is insoluble in water. Therefore,both $(a)$ and $(c)$ are correct.

The ionic compound $BaSO_4$ is insoluble in water due to

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