Cambridge IGCSE Chemistry practice

Paper 4 structured question: Redox

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Paper

Marks

Topic

Redox

Exam-style question

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Paper 4Theory (Extended)3 marks

Understanding the role of reducing agents in chemical reactions is essential for mastering redox chemistry.

Description

Reducing agents are used in various chemical processes, including metal extraction and organic synthesis.

a
Explain the role of a reducing agent in a chemical reaction.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 4Theory (Extended)1 marks

Description

In a redox reaction, one substance is reduced while another is oxidised. The reducing agent donates electrons to the substance being reduced.

a
State the definition of a reducing agent.
Your answer
Aim for approximately 1 distinct marking point.
[1]