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 are 0 tf9m wd1b;i,:sg 7yp, prbfpcorre+o/ms :l.f4 /fna zjugct about an electrolytic cell?
I. An external power supply is used to drive a non-spontaneous process
II.Oxidation occurs at the positive electrode in the cell
III.The cell could be used to extract a reactive metal from its molten salt
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
参考答案: D
本题详细解析:
Non-spontaneous reactions take 5 ,m)x1it:2 s gtrcdxgplace in electrolytic cells using an external power supply.
The positive electrode is the anode where oxidation takes place.
The aqueous metal ion 1xsgx5 ric2d g):t,mt $M^{x+}$ is reduced at the cathode to produce the solid metal.
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