Which Is NOT True of Overpotential

question 20

Multiple Choice

Which is NOT true of overpotential?

• A)Overpotential is the voltage required to overcome the activation energy for a reaction at an electrode.
• B)The rate of the reaction will increase as the applied overpotential increases.
• C)Activation energy,hence overpotential,is electrode-surface independent.
• D)Applying an increasing overpotential will sustain a higher current density.
• E)Current density is current per unit area of electrode surface,A/m².

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