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Q. $ 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:

JamiaJamia 2005

Solution:

Correct answer is (c) 5,1,3,4