Copper sulphate solution was electrolysed using the apparatus show above. Which of the following changes are observed?
A.
The bulb lights and copper is deposited at both electrodes
B.
the bulb lights and copper is deposited at the anode and disappears from the cathode
C.
the bulb lights and copper is deposited at the cathode and oxygen liberated at the anode
D.
the bulb lights and copper is deposited at the cathode and disappears from the anode
E.
the bulb lights but no additional changes are observed
Correct answer is D
No explanation has been provided for this answer.