what are enols ?explain in a lin eor two and give an example

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Enols(also known asalkenols) arealkeneswith ahydroxyl groupaffixed to one of the carbon atoms composing thedouble bond. Alkenes with a hydroxyl group on both sides of the double bond are calledenediols.Deprotonatedanions of enols are calledenolates. Areductoneis a compound that has an enediol structure with an adjacent carbonyl-group.

The C=C double bond with adjacent alcohol gives enols and enediols their chemical characteristics, by which they presentketo-enol tautomerism. In keto-enol tautomerism, enols interconvert withketonesoraldehydes.

The words enol and alkenol areportmanteausof the words "alkene" (or just-ene, the suffix given to C=C double bonded alkenes) and "alcohol" (which represents the enol's hydroxyl group).