The following set of redox reactions takes place when iron is dipped in a solution of copper ions
Fe ? Fe+2 + 2e-
Cu+2 + 2e- ? Cu
Which of the following describes what is happening on the surface of the iron?
A) The copper starts to plate out on iron.
B) The iron rusts in the water.
C) The iron starts to plate out on the copper.
D) The iron corrodes the copper.
E) none of the above
Answer: A
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