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Redox and electrochemistry — Question 3

QCAA 2023, Paper 2 · 7 marks

Q3 · 2023 · Paper 2Unclassified7 marks

QUESTION 3 (7 marks)

An experiment was conducted at standard state conditions to investigate the potential difference (V) produced by different galvanic cells. The three cells used in the experiment are shown.

Chemistry question figure

(a) Predict which cell produced the highest voltage. Explain your reasoning.

[3 marks]

(b) Determine the maximum voltage that could be produced by a fourth galvanic cell constructed from any of the components used in the first three cells. Use oxidation and reduction half-equations to justify your answer.

[4 marks]

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