Copper will spontaneously reduce which of the following?

Name: Copper will spontaneously reduce which of the following?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Copper has a lower reduction potential than silver, so it can spontaneously reduce Ag+ ions to Ag(s). However, copper cannot reduce iron or aluminum ions to their respective metals spontaneously because iron and aluminum have a lower reduction potential than copper. Therefore, option C is the best choice as it only contains silver ions which can be reduced by copper.

Copper Will Spontaneously Reduce Which of the Following