4.4.1.4 - Oxidation and reduction in terms of electrons

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5 Terms

1
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What is oxidation in terms of electrons?

Loss of electrons

2
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What is reduction in terms of electrons?

Gain of electrons

3
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What is a redox reaction?

A reaction where oxidation and reduction occur at the same time.

4
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Give an example of a redox reaction?

Displacement reactions

5
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Describe why displacement reactions are redox reactions.

In displacement reactions,

The metal ion always gains electrons - and is reduced

The metal atom always loses electrons - and is oxidised