Question

Which of the following has the highest tendency to give the following reaction?
$M_{\left(g\right)}^{+}\underset{medium}{\overset{aqueous}{\to }}{M}_{\left(aq\right)}^{+}$

• A. $Na$
• B. $Li$
• C. $K$
• D. $Rb$

Answer 1

The correct option is B $Li$

Because of its smallest size, $L{i}^{+}$ ions highest hydration energy and hence highest stability of hydrated $L{i}^{+}$ ion.