Alkoxide Definition in Chemistry

What Is an Alkoxide?

An alkoxide forms when an alcohol is reacted with a metal.
An alkoxide forms when an alcohol is reacted with a metal. Martin Elstermann / EyeEm / Getty Images

An alkoxide is an organic functional group formed when a hydrogen atom is removed from an hydroxyl group of an alcohol when reacted with a metal.

Alkoxides have the formula RO- where R is the organic substituent from the alcohol and are strong bases.

Example

Sodium reacting with methanol (CH3OH) reacts to form the alkoxide sodium methoxide (CH3NaO).

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Helmenstine, Anne Marie, Ph.D. "Alkoxide Definition in Chemistry." ThoughtCo, Sep. 7, 2017, thoughtco.com/definition-of-alkoxide-604706. Helmenstine, Anne Marie, Ph.D. (2017, September 7). Alkoxide Definition in Chemistry. Retrieved from https://www.thoughtco.com/definition-of-alkoxide-604706 Helmenstine, Anne Marie, Ph.D. "Alkoxide Definition in Chemistry." ThoughtCo. https://www.thoughtco.com/definition-of-alkoxide-604706 (accessed January 16, 2018).