Q. Of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one of them?
Explanation
(d)
[table] ⥮ | ⥮ | ⥮ | $\upharpoonleft$ | $\upharpoonleft$ | | ⥮ [/table]
$(n - 1)d^{8}\ ns^{2}$
$(n - 1)d^{8}$ $ns^{2}$ 4(as in Ni)
[table] $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | | $\upharpoonleft$ [/table]
$(n - 1)d^{5}\ ns^{1}$
$\ \ \ \ \ \ \ \ \ \ \ \$
$(n - 1)d^{5}$ $ns^{1}$ 6(as in Cr)
[table] $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | | | | $⥮$ [/table]
$(n - 1)d^{3}\ ns^{2}$
$(n - 1)d^{3}$ $ns^{2}$ 5(as in V)
$(n - 1)d^{5}\ ns^{2}$
[table] $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | $\upharpoonleft$ | | ⥮ [/table]
$(n - 1)d^{3}$ $ns^{2}$ 7(as in Mn)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.