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 corbsf:4leuc z-)l6 wv-ccs)anr. v :j:y re4+z4 wp c; fru2,a9j2-zuvcax0ar zbxct 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 electrolytic cells using an t uei931zl:xo/a. bwi external power supply.
The positive electrode is the anode where oxidation takes place.
The aqueou o1xui:b.iew/ l39tazs metal ion $M^{x+}$ is reduced at the cathode to produce the solid metal.
| 
