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Zinc, Zn, Is More Easily Oxidized Than Copper, Cu

Question 72

Multiple Choice

Zinc, Zn, is more easily oxidized than copper, Cu. Two strips of these metals are placed within separate salt solutions and then connected by a wire. Does an electric current pass through this wire?


A) Yes, as the zinc is oxidized in the salt solution, its released electrons pass through the wire producing an electric current.
B) No, an electric current does not pass through the wire because this would result in a prohibitive build up of charge.
C) Yes and No. The passage of an electric current depends on whether the salt solutions are sufficiently concentrated to cause the oxidation of the zinc metal. The answer is yes only if the salt solution concentration is greater than 1M.
D) There is insufficient information given to know. The passage of electric current depends on three things: the size of the plates, the concentration of the salt solution, and the gauge of the wire.

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