Alevel Chemistry: Redox
- Created by: Rachaelg
- Created on: 17-07-20 14:58
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Redox
A redox reaction is a reaction that involves both oxidation and reduction.
Oxidation: loss of electrons, increase in oxidation number.
Reduction: gain of electrons, decrease in oxidation number.
A redox reaction will always involve a reducing agent and an oxidising agent.
Oxidising agent: takes electrons from a species that is oxidised- is reduced.
Reduicng agent: adds electrons to a species - is oxidised.
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