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Redox and electrochemistry — Question 1

QCAA 2025, Paper 1 · 1 mark

Q1 · 2025 · Paper 1Unclassified1 mark

QUESTION 1

Which species is produced at the cathode during the electrolysis of an aqueous copper sulfate (CuSO4) solution using platinum electrodes?

(A) Cu(s)

(B) H2(g)

(C) O2(g)

(D) SO2(aq)

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