Question

Which ion has the maximum hydration energy?

• A. $M{g}^{2+}$
• B. $B{a}^{2+}$
• C. $C{a}^{2+}$
• D. $S{r}^{2+}$

Answer 1

Answer: (A)

The hydration energy of $M{g}^{2+}$ ion is maximum due to small size of $M{g}^{2+}.$