Chemical reactions in which the oxidation states or oxidation numbers of the atoms are reformed is known as oxidation-reduction reaction. These reactions are also known as redox reactions, which is short form for reduction-oxidation reaction. Oxidation is the process of losing of electrons throughout a reaction by a molecule an atom or an ion. Oxidation arises when the oxidation state of a molecule, atom or ion is higher. The contrast process is known as reduction, which happens when the electrons are gained or when oxidation state of an atom, molecule, or ion lowers.
An example for redox reaction is as follows:
2 Al +3 Br2 -> Al2Br6
In this reaction Bromine is been oxidized and Aluminum is being reduced
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