Calculate the anodic charge transfer overpotential for the oxygen half-reaction, (1/2)02(g) + 2H+

+ 2e = H2O(l) on Pt in 1 mol/L H2SO4(aq) solution at 25 °C if the exchange current density is

10-6 A/cm2, the transfer coefficient is 0.75, the current density is 0.1 A/cm2 and the limiting

current density is 0.2 A/cm2

A) 8.90 mV

B) 0.383 V

C) 0.592 V

Points Earned:

Correct Answer(s): C

0.0/4.0