BeF_2 is soluble in water,whereas fluorides o | vedclass

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(C) The solubility of ionic compounds in water is determined by the balance between lattice energy and hydration energy. For $BeF_2$,the hydration ene

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The hydration energy of the $Be^{2+}$ ion is higher than its lattice energy.

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(C) The solubility of ionic compounds in water is determined by the balance between lattice energy and hydration energy. For $BeF_2$,the hydration energy of the small $Be^{2+}$ ion is significantly higher than its lattice energy,which overcomes the lattice forces and makes it soluble in water. In contrast,for other alkaline earth metal fluorides,the lattice energy dominates,making them insoluble.

$A$. Calcium	$p$. Brick red
$B$. Strontium	$q$. Apple green
$C$. Barium	$r$. Crimson

$BeF_2$ is soluble in water,whereas fluorides of other alkaline earth metals are insoluble. The reason is ...

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