Question

What is meant by enol?

Answer 1

1. Enol is a reactive species in which an alkene double bond is attached with a hydroxyl group.
2. It is an isomer of ketone or aldehyde formed by the removal of $\alpha$-Hydrogen and positioned at the carbonyl group's oxygen atom.
   For example,

i)The keto form and enol form are in dynamic equilibrium with each other.

ii) This is called tautomerism.