Mechanisms of Chemical Change F.2 Electron Transfer Reactions (id: ec297c734)

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]
The diagram below shows a Daniel jxf.q1 5zac5y hj3gve4qqgbx 5, -t y4cell. Zinc is more reactive than copperyt, s1k*,lse4f v. fqc. When the spontaneous reacti,qlfs1 .fcv*s ye kt,4on occurs, which statement about the Daniel cell is correct?

A. The mass of the copper electrode will decrease
B. Electrons flow from the copper electrode to the zinc electrode when the cell is operating
C. The blue colour of the copper (II) sulfate solution will fade over time
D. The zinc electrode is the cathode in this cell


参考答案:  C


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