WAEC Chemistry 2022 Objective — Question 31
Question 31 of 50 from the West African Examinations Council (WAEC) Chemistry 2022 Objective paper, with the correct answer and a full explanation.
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Which of the following elements would displace copper from a solution of copper ions?
- A. Silver
- B. Gold
- C. LeadCorrect
- D. Mercury
Explanation
Of the given metals, only lead is above copper in the electrochemical (reactivity) series, so it is the only one that can displace copper from a solution of copper ions.
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