Disproportionation and oxidation states of manganese

2024 Re-NEET 1 question

1. 1 Redox Reactions Medium
   The oxidation states not shown by Mn in given reaction is: $3MnO_4^{2-}+4H^+\rightarrow2MnO_4^-+MnO_2+2H_2O$ A. +6 B. +2 C. +4 D. +7 E. +3. Choose the most appropriate answer from the options given below:
   A D and E only B B and D only C A and B only D B and E only
   Check Answer