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WAEC - Chemistry (2014 - No. 30)
The reaction that occurs all the anode when CuSO
4(aq)
is electrolyzed using carbon electrode is
2H
-
(aq)
+ 2e → H
2(g)
Cu
2+
(aq)
+ 2e → Cu
(s)
4OH
(aq)
-
4e → 2H
2
O
(l)
+ O2
(g)
SO
4(aq)
2
-
2e → SO
2(g)
+ O
2(g)
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