WAEC - Chemistry (2000 - No. 29)
Which of the following occurs when a solution of CuSO4 is electrolysed using copper electrodes?
The cathode becomes coated with copper
Both electrodes gain electrons
The blue colour of the solution fades gradually
The anode increases in mass
Explanation
During the electrolysis of an aqueous solution of CuSO4 in the presence of Cu electrodes, copper metal will be deposited at cathode.
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