Sep 4, 2021 · A disaccharide is the sugar that forms when two monosaccharides or simple sugars join via a glycosidic bond. Common examples of disaccharides are sucrose, maltose, and lactose. The general chemical formula of a disaccharide is C 12 H 22 O 11. Here is a look at how disaccharides form, examples, and properties. How Disaccharides Form ...