The hydration energy of Mg^{2+} ions is lesse | vedclass

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Question

(A) The hydration energy of an ion is directly proportional to its charge density,which is defined as $\frac{	ext{charge}}{	ext{size}}$.For $Mg^{2+}

Vedclass · Accepted Answer

$Al^{3+}$

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(A) The hydration energy of an ion is directly proportional to its charge density,which is defined as $\frac{	ext{charge}}{	ext{size}}$.For $Mg^{2+}$ and $Al^{3+}$,both have small ionic radii,but $Al^{3+}$ has a higher charge $(+3)$ compared to $Mg^{2+}$ $(+2)$.Therefore,the charge density of $Al^{3+}$ is greater than that of $Mg^{2+}$,resulting in higher hydration energy for $Al^{3+}$.Thus,the hydration energy of $Mg^{2+}$ is lesser than that of $Al^{3+}$.

The hydration energy of $Mg^{2+}$ ions is lesser than that of

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