Respuesta :

When comparing voltaic and electrolytic cells oxidation occurs at the at both the anode and the cathode.

What happen in electrolytic cell?

In an electrolytic cell, the reaction is non-spontaneous so it requires some input of energy for it to function while for a voltaic cell, the reaction is spontaneous.

Thus,both the anode and the cathode.

To learn more about electrolytic cells  click here:

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