Which Statement(s)is(are)defined INCORRECTLY? I Ohmic Potential Is the Voltage to Overcome the Electrical

Which statement(s) is(are) defined INCORRECTLY?
I Ohmic potential is the voltage to overcome the electrical resistance of the solution in an electrochemical cell when a current is flowing.
II Concentrational polarization occurs when the concentrations of the reactants or products at the surface of an electrode is greater than those in the bulk solution.
III Overpotential is the voltage required to overcome the activation energy for a reaction at only the cathode.
IV E = E(cathode) - E(anode) - IR - overpotentials - concentration polarization

A) II,III,and IV
B) I,II,and III
C) Only III
D) II and IV
E) I and II

Correct Answer:

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