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Question
What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid solution?
5Fe2+(aq) + MnO4"(aq) + 8H+(aq) →5Fe3+(aq) + Mn2+(aq) + 4H2O(l)
A) MnO4-(aq) + 3e-→Mn2+(aq) + 4H2O(l)
B) MnO4-(aq) + 8H+(aq) + 5e-→Mn2+(aq) + 4H2O(l)
C) 5Fe2+(aq) →5Fe3+(aq) + 5e-
D) Fe2+(aq) + 2e-→Fe(s)
E) MnO4-(aq) + 5e-→Mn2+(aq) + SO42-(aq)
Answer
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