An electrochemical cell, composed of an iron electrode (anode) immersed in 0.10 M Fe (NO3)2 and silver electrode (cathode) immersed in 0.11M AgNO3, was found to have a cell potential of 1.21V. The standard reduction potential for Ag+ / Ag half-cell is +0.80V. The standard reduction potential for the Fe+2/ Fe half – cell is -0.45V.
1. Write the half-cell reaction at the anode.
2.Write the half –cell reaction at the Cathode
3.Write over all cell reaction
4. Determine the standard cell potential using the standard reduction potential given above.
5. Determine the standard cell potential using the Nernst equation