MCQ
Which one of the following is an example of disproportionation reaction?
- ✓$3 MnO _{4}^{2-}+4 H ^{+} \rightarrow 2 MnO _{4}^{-}+ MnO _{2}+2 H _{2} O$
- B$MnO _{4}^{2-}+4 H ^{+}+4 e ^{-} \rightarrow MnO _{2}+2 H _{2} O$
- C$10 I ^{-}+2 MnO _{4}^{-}+16 H ^{+} \rightarrow 2 Mn ^{2+}+8 H _{2} O +5 I _{2}$
- D$8 MnO _{4}^{-}+3 S _{2} O _{3}^{2-}+ H _{2} O \rightarrow 8 MnO _{2}+6 SO _{4}^{2-}+2 OH ^{-}$
