👉 The term "esters" refers to compounds that contain a double bond between two or more carbon atoms. Esters are typically organic compounds with at least one ester group, which is an unbranched chain of carbon-carbon bonds. Esters can be defined as compounds that have the following properties:
1.
Carbonyl moiety
: Esters generally contain a carbonyl (COOH) moiety, which is attached to the carbon atoms of the ester group