Question

why copper electrodes are used in electrolysis of copper sulphate?​

Answer 1

Answer:

In the electrolysis of copper sulphate with copper electrodes, when the cations reach the cathode, each Cu2+ is able to remove electrons to acquire a neutral charge and is deposited on the electrode. At the same time, the anions move towards the anode and release their electrons to become a SO4 radical.

Answer 2

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During the electrolysis of acidified copper sulphate solution with copper electrodes that is not take part in the chemical reaction as the electrode has a lower electrode potential that is easily loses electron as compared to the ions present in the electrolyte . But during the electrolysis of copper sulphate solution with Platinum electrodes the electrodes are non - attackable that is they do not enter the chemical reaction with the electrolyte this is because the electrode is having higher reduction potential than the ions present