Question

Among the following outermost configurations of transition metals, which shows the highest oxidation state.

• A. $3d^{3}4s^{2}$
• B. $3d^{5}4s^{1}$
• C. $3d^{5}4s^{2}$
• D. $3d^{6}4s^{2}$

Answer 1

Answer: (C)

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

Answer 2

In the first transition series $Mn(3d^{5}4s^{2})$ shows the maximum oxidation state of + 7.