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Question

Chemistry Question on GROUP 1 ELEMENTS

Which of the following has maximum hydration energy?

A

Na+N{{a}^{+}}

B

Li+L{{i}^{+}}

C

Mg2+M{{g}^{2+}}

D

Ca2+C{{a}^{2+}}

Answer

Mg2+M{{g}^{2+}}

Explanation

Solution

Hydration energy is large for the ion having smaller size and higher charge. Here Mg2+M{{g}^{2+}} ion is the smallest and has +2 charge, hence its hydration will be the highest.