Question
Amongst the following elements whose electronic configurations are given below, which one has the highest ionisation enthalpy?
$[\text{Ne}]\text{3s}^2\text{3p}^1,[\text{Ne}\text{3s}^2\text{3p}^3,[\text{Ne}]\text{3s}^2\text{3p}^2,[\text{Ar}]\text{d}^{10}4\text{s}^2\text{4}\text{p}^3$
$[\text{Ne}]\text{3s}^2\text{3p}^1,[\text{Ne}\text{3s}^2\text{3p}^3,[\text{Ne}]\text{3s}^2\text{3p}^2,[\text{Ar}]\text{d}^{10}4\text{s}^2\text{4}\text{p}^3$