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 cell. Zinc mt*yzc0vc21 2ojj 8succ355mhkge l *is more reaciomebzl3-tq bixqww:sl, s4 0)/8sk -tive than copper. When the spontaneous reaction occurs, which statement about the Daniel c s- mw ssilo b- iqw/t0x4bqlk):ze,38ell 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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