Redox reaction: A contraction of 'reduction-oxidation reaction'. A reaction in which reduction and oxidation occur simultaneously.

The rusting of iron is a redox reaction in which iron is oxidized at the same time oxygen is reduced.


The oxidation of a secondary alcohol with Jones reagent to give a ketone is a redox reaction in which the alcohol is oxidized at the same time Cr⁶⁺ is reduced to Cr³⁺.