Waec Model Questions Vol1 2023 Chemistry Question 40
Practice objective / multiple choice question 40 from the 2023 Waec Model Questions Vol1 Chemistry examination.
Consider a galvanic cell at 25 °C consisting of an iron electrode immersed in 0.10 M FeSO₄ solution and a copper electrode immersed in 0.10 M CuSO₄ solution, connected by a salt bridge. (a) Write the overall cell reaction and calculate the standard cell potential $E^{\circ}_{\text{cell}}$. (b) The cell potential measured under these conditions is 0.75 V. Using the Nernst equation, determine the concentration of Fe²⁺ in the iron half‑cell (assume [Cu²⁺] remains 0.10 M). (c) State whether the iron electrode is undergoing oxidation or reduction in the cell.
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This is Waec Model Questions Vol1 2023 Chemistry Question 40. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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