represent the keto - enol isomerism in 2 - pentanone .
The alpha carbon (the carbon closest to functional group) containing at least one hydrogen atom is known as alpha hydrogen.This atom is removed from the alpha carbon and gets bonded to the oxygen of the carbonyl carbon to form the enol tautomer.
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/images/taut2(1).jpg)
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/images/taut2(1).jpg)