A voltaic cell is constructed in which the anode is a (C(d)/(C)d{2+}) half-cell and the cathode is a (Fe{2+}|Fe{3+}||) half-cell. The half-cell compartments are connected by a salt bridge. (Use the lo
a. (C(d)/(C)d{2+} → C(d))
b. (Fe{2+} → Fe{3+})
c. (C(d) → C(d{2+}))
d. (Fe{3+} → Fe{2+})