Question

Which of the following ions have maximum hydration energy?

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

Answer 1

Answer: (D)

$\text{Hydration}\text{energy}\propto \frac{\text{1}}{\text{size}\text{of}\text{ion}}$