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 correcv4bxfy.x9 muef;h s5txc/ ,r( 8 nzw0hnw7xpzo ou58(t 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 place in electrolysiohsid 4i9b9 a: +vg6tic cells using an external power supply.
The positive electrode is the anodebh+ ds6iv4a99 i:igs o where oxidation takes place.
The aqueous metal ion $M^{x+}$ is reduced at the cathode to produce the solid metal.
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