question_answer

    \[Mn{{O}_{4}}\]is a good oxidising agent in different medium changing to \[MnO_{4}^{-}\xrightarrow[{}]{{}}M{{n}^{2+}}\]               \[\xrightarrow[{}]{{}}MnO_{4}^{2-}\]                \[\xrightarrow[{}]{{}}Mn{{O}_{2}}\]        \[\xrightarrow[{}]{{}}M{{n}_{2}}{{O}_{3}}\] Changes in oxidation number respectively are:

A)  1,3,4,5                                 

B)  5,4,3,2

C)  5,1,3,4                                 

D)  2,6,4,3