本题目来源于试卷: Mechanisms of Chemical Change F.2 Electron Transfer Reactions，类别为 IB化学
[单选题]
Which statements about theke:0n 5y- -h r5ma5tr6dplyg y electrolysis of molten aluminium oxide are cor2.,8w guwfic )g7p 0eqvfgsgc+buz,3rect?
I. Aluminium ions gain electrons at the cathode
II. Oxide ions lose electrons at the cathode
III. The cathode is the site of reduction in this cell
A. I and II only
B. I and III only
C. II and III only
D. I, II, and III
参考答案: B
本题详细解析:
Cathode site of reduction, anode site of oxidation, use CROA to remember this.
Reduction is the gain of electrons.
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