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Redox and electrochemistry — Question 26

QCAA 2024, Paper 1 · 5 marks

Q26 · 2024 · Paper 1Unclassified5 marks

QUESTION 26 (5 marks)

Aqueous potassium iodate (KIO3) reacts with aqueous potassium iodide (KI) in the presence of dilute HCl(aq) to form solid iodine (I2). The overall balanced equation is shown.

a) Identify the reducing agent. Explain your reasoning.

[2 marks]

b) Determine the reduction half-equation.

[3 marks]

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