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 correct 5hubiisz0s 6nhit2.g t1h jgp51pg(hlw + t31abouvu*j4 x) t7 fdwfej,wcj06ivh0q vkf +/cg /u9t 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 td /d gon mq/*r/dumrre)u;.2ii4,qwdake place in electrolytic cells using an external power supply.
The positive electrode is the anode where oxidation takes place.
The aqueous metal io /oir/ge/u rmq*u2w4d. ),dnd irdqm;n $M^{x+}$ is reduced at the cathode to produce the solid metal.
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