Question

among the following water most configuration of metals which shows the Highest Oxidation State
1)$3 {d}^{3} 4 {s}^{2}$

2)$3 {d}^{5} 4 {s}^{1}$

3)$3 {d}^{5} 4 {s}^{2}$

4)$3 {d}^{6} 4 {s}^{2}$

Answer 1

3d6 4s2 it is the only possible oxidation state