The reaction which occur in the Galvanic cell is MnO4−+8H++5Fe2+⟶Mn2++5Fe3++4H2OE∘MnO4−,Mn2+,H+∣Pt=1.51V and E∘Fe3+,Fe2+∣Pt=0.77V(Q) Calculate the standard emf of cell.
0.74 V
-0.74 V
2.28
-2.28
Ecell ∘=EH+,Mn2+,MnO4−∣Pt∘−EFe3+,Fe2+∣Pt=1.51−(0.77)=+0.74V