Consider the following half-reactions:
Oxidation: 2I-(aq) --> I2(aq) +2e-
Reduction: MnO4-(aq) +8H+(aq) + 5e- -->Mn2+(aq) + 4H2O(l)
a) Write the overall reaction.
b) A galvanic cell based on this reaction uses inertelectrodes, such as graphite electrodes. Explain why.