question_answer3) \[MnO_{4}^{-}\] 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
AIEEE Solved Paper-2002