A) \[3:5:15\]
B) \[5:3:1\]
C) \[5:1:3\]
D) \[3:5:5\]
Correct Answer: D
Solution :
Acidic medium: \[MnO_{4}^{-}+8{{H}^{+}}+5{{e}^{-}}\to M{{n}^{2+}}+4{{H}_{2}}O\] |
Besic medium: \[MnO_{4}^{-}+2{{H}_{2}}O+3{{e}^{-}}\to Mn{{O}_{2}}+4OH\] |
Neutral medium: \[MnO_{4}^{-}+2{{H}_{2}}O+3{{e}^{-}}\to Mn{{O}_{2}}+4OH\] |
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