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Chemistry LibreTexts


The removal of a hydrogen atom on a carbon atom in an organic molecule as a proton results in a species that has a formal charge of -1 on a carbon atom. It is called a carbanion. eg:

Some carbanions are resonance stabilized, in which case some or all resonance forms fit the above definition.

eg. 1:


eg. 2:

see also alkyl carbanion, aryl carbanion, carbanion equivalent, aryl carbocation