Question

The decreasing order of oxidation number of $Mn$ in the given compounds is
I. $K _{2} MnO _{4}$
II. $Mn _{2} O _{5}$
III. $MnO _{4}^{-}$
IV. $MnCl _{2}$

• A. $IV > II > III > I$
• B. $IV > III > II > I$
• C. $III > I > II > IV$
• D. $IV > II > I > III$

Answer 1

Answer: (C)

For the given compounds,

Decreasing order of oxidation number is
$III > I > II > IV$