Colour, magnetic properties, catalytic behaviour and complex formationMedium

Manganese Oxidation States and Unpaired Electrons

Consider | x | is the difference in oxidation states of Mn in highest manganese fluoride and highest manganese oxide. The ions with | x | number of unpaired electrons from the following are:
A. $\mathrm{Sc}^{3+}$
B. $\mathrm{Zn}^{2+}$
C. $\mathrm{V}^{2+}$
D. $\mathrm{Fe}^{2+}$
E. $\mathrm{Co}^{2+}$
Choose the correct answer from the options given below:

SELECT ONE OPTION