Fe2+(aq) + 2e–Fe(s) Fe(s)Fe2+(aq) + 2e– Mn2+(aq) + 4H2O(l)5e– + 8H+(aq) + MnO4–(aq) 5e– + 8H+(aq)+MnO4–(aq)Mn2+(aq) +4H2O(l) Pt(s)Pt2+ + 2e– Solution Fe2+(aq) + 2e–Fe(s) Fe(s)Fe2+(aq) + 2e– Mn2+(aq) + 4H2O(l)5e– + 8H+(aq) + MnO4–(aq) 5e– + 8H+(aq)+MnO4–(aq)Mn2+(aq) +4H2O(l) Pt(s)Pt2+ + 2e–.