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Chemistry · Unit 3 · Oxidation and reduction · Redox reactions

Identify that displacement reactions of metals, combustion, corrosion and electrochemical processes, can be modelled as redox reactions involving oxidation of one substance and reduction of another substance.

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Question 1

Identify the displacement reaction.

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Question 2

Iron powder is added to a solution of copper(II) sulfate. A reddish-brown solid forms and the blue colour of the solution fades. (a) Identify which substance is oxidised in this reaction. [1 mark] (b) Explain why this displacement reaction can be classified as a redox reaction. [1 mark]

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Question 3

Which of the following processes can be modelled as a redox reaction involving both oxidation and reduction?

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