Question

reference electrodes and indicator electrode used as​

Answer 1

Answer:

Reference Electrode

Reference electrodes are used to set the relative potential of a solution in an electrochemical cell and are analogous to the ground node of an electric circuit.

Answer 2

In potentiometry, those two electrodes are generally called the indicator electrode and the reference electrode. Values of E0 are most often reported as the potential measured in an electrochemical cell for which the standard hydrogen electrode is used as a reference.

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