Which of the following compounds has a lattic | vedclass

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(A) For a compound to be highly soluble in water,its hydration energy must be greater than its lattice energy. \ The solubility of alkaline earth met

Vedclass · Accepted Answer

$MgSO_4$

Vedclass · Answer

(A) For a compound to be highly soluble in water,its hydration energy must be greater than its lattice energy. \ The solubility of alkaline earth metal sulfates decreases down the group from $BeSO_4$ to $BaSO_4$. \ $BeSO_4$ and $MgSO_4$ are highly soluble in water because their hydration energy is significantly higher than their lattice energy. \ As the size of the cation increases down the group,the lattice energy decreases,but the hydration energy decreases much more rapidly. \ Therefore,$MgSO_4$ is the only compound among the options where the hydration energy is greater than the lattice energy,making it highly soluble.

Column-$I$	Column-$II$
$A$. $CaCO_3$	$1$. Dentistry,ornamental work
$B$. $Ca(OH)_2$	$2$. Manufacture of sodium carbonate from caustic soda
$C$. $CaO$	$3$. Manufacture of high quality paper
$D$. $CaSO_4$	$4$. Used in white washing

Which of the following compounds has a lattice energy value lower than its hydration energy?

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