Question

Distinguishing between an electrochemically reversible and irreversible electrode reaction can be done using cyclic voltammetry.

Describe how you can use cyclic voltammetry to obtain the diffusion coefficient Do of reactant O. Describe what CV experiments are required and specifically how the data would be analyzed.

Answer 1

An electrochemically reversible reaction in which oxidation, as well as reduction reaction both, takes place. While in irreversible electrode reaction only one process takes place either reduction or oxidation reaction, which can be easily differentiated by using cyclic voltammetry.

You can use cyclic voltammetry to obtain the diffusion coefficient which is given as below.