6(iii)
Copper sulphate solution is electrolysed using copper electrodes.
(a) Which electrode [cathode or anode] is the oxidizing electrode? Why?
(b) Write the equation for the reaction occurring at the above electrode.
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(a) Anode is the oxidizing electrode. At anode, anions lose electrons and are oxidized.
(b) Cu - 2e- ⟶ Cu2+