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Redox and electrochemistry — Question 27

QCAA 2025, Paper 1 · 4 marks

Q27 · 2025 · Paper 1Unclassified4 marks

QUESTION 27 (4 marks)

Determine the product formed at the cathode and the oxidation half-equation that occurs when various NaCl electrolytes undergo electrolysis using inert electrodes. Include states of matter in your response.

Electrolyte

Cathode product

Oxidation half-equation

concentrated (25%) NaCl(aq)

molten NaCl(l)

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