Copper Atoms Have a Greater Tendency to Be Reduced Than

question 141

Multiple Choice

Copper atoms have a greater tendency to be reduced than iron atoms do.Was this good news or bad news for the Statue of Liberty,whose copper exterior was originally held together by steel rivets?

• A)This was good news since the steel rivets prevented the copper from eroding.
• B)Electrons will preferentially flow from the iron to the copper and then onto oxygen.Corrosion is thus accelerated around the interface of these two metals.
• C)This combination of metals have no effect on each other and that is why engineers chose to use them together.
• D)This combination of metals caused the copper to oxidize and turn green.

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