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)1 marks

Redox reactions are fundamental in chemistry, involving the transfer of electrons between substances.

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
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[1]

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Paper 4Theory (Extended)3 marks

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]