Redox – Basics

Oxidation and Reduction

Oxidation – gain of oxygen, loss of hydrogen, loss of electrons, increase in oxidation state
Reduction – loss of oxygen, gain of hydrogen, gain of electrons, , decrease in oxidation state


Oxidation Number/ Oxidation State

Oxidation state (number) is the charge an atom of an element would have if it existed as an ion in a compound.

Click here for Rules to work out oxidation state/number of an atom


Oxidising Agent and Reducing Agent

Oxidising agent : A substance that causes another substance to be oxidised while itself being reduced.

Reducing agent: A substance that causes another substance to be reduced while itself being oxidised

Click here for list of oxidising agent and reducing agent

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