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Redox and electrochemistry — Question 3

QCAA 2021, Paper 1 · 1 mark

Q3 · 2021 · Paper 1Unclassified1 mark

QUESTION 3

Predict which product is formed at the positive electrode when a 0.1 M aqueous solution of copper(II) sulfate is electrolysed using carbon electrodes.

(A) Cu(s)

(B) H2(g)

(C) O2(g)

(D) SO2(g)

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