Oxidation and reduction

1 mark · Easy

In a reaction, chlorine gas (Cl_2) acts as an oxidising agent. What does it do in terms of oxygen transfer?

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It gives oxygen to another substance.

Also accept: It gives oxygen to another substance; It oxidises another substance; It provides oxygen

Common mistakes: It gains oxygen; It reduces another substance

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Marking points

A1 · 1 mark · States that the oxidising agent gives oxygen to another substance or equivalent.

Worked solution

An oxidising agent gives oxygen to another substance (chlorine gives oxygen, so it oxidises the other substance).