Oxidation and reduction
2 marks · HardIn the reaction below, identify the oxidising agent and the reducing agent: State each answer as a chemical formula.
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Oxidising agent: ; Reducing agent:
Also accept: Oxidising agent: Fe2O3 ; Reducing agent: C; Fe2O3 and C; Fe2O3: oxidising agent, C: reducing agent
Common mistakes: Incorrectly stating CO2 or Fe as the oxidising or reducing agent
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Marking points
B1 · 1 mark · Identifies as the oxidising agent.
B2 · 1 mark · Identifies as the reducing agent.
Worked solution
In the reaction :
gives up oxygen to and so acts as the oxidising agent.
removes oxygen from and so acts as the reducing agent.
Oxidising agent: ; Reducing agent: