Which of the following substances is insolubl | vedclass

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(D) The solubility of alkaline earth metal halides decreases down the group due to the increase in lattice energy being more significant than the hydr

Vedclass · Accepted Answer

$CaF_2$

Vedclass · Answer

(D) The solubility of alkaline earth metal halides decreases down the group due to the increase in lattice energy being more significant than the hydration energy.$CaF_2$ (calcium fluoride) is known to be sparingly soluble or insoluble in water due to its very high lattice energy compared to its hydration energy.In contrast,nitrates like $NaNO_3$ and $Ca(NO_3)_2$ are highly soluble in water.$HgCl_2$ is also soluble in water.Therefore,the correct option is $D$.

Which of the following substances is insoluble in water?

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