Oxidizing agent

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noun, plural: oxidizing agents

Any substance that has the ability to oxidize other substance.


An oxidizing agent is a substance that accepts or receives electron from another substance, hence, is consequently reduced. Since it accepts electrons it is also called an electron acceptor.

Most of the oxidizing agents have high oxidation numbers or highly electronegative so that they can gain one or two extra electrons by oxidizing a substance.

Also called: oxidant, oxidizer.

Compare: reducing agent.
See also: redox reaction.