True False Diffusion is a random walk process. True False In both potential-step

Question

True False Diffusion is a random walk process.
True False  In both potential-step and cyclic voltammetry experiments, Faradaic current varies with the square root of redox-couple concentration.
True False  In cyclic voltammetry, the peak Faradaic current varies with the square root of scan rate.
True False  In the absence of a redox couple, the charging current is measured in chronoamperometry.
True False  If we stir a solution during a potential step experiment, we will achieve a steady-state current.

Please do not attempt if you are unsure I have one try left for this homework set!

Explanation / Answer

Diffusion is a random walk process. True

In both potential-step and cyclic voltammetry experiments, Faradaic current varies with the square root of redox-couple concentration.   False

In cyclic voltammetry, the peak Faradaic current varies with the square root of scan rate. True

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