Question

The general formula of disaccharides is __________ .

• A. $C_{12}{H}_{22}{O}_{10}$
• B. $C_{12}{H}_{22}{O}_{12}$
• C. $C_{12}{H}_{22}{O}_{11}$
• D. none of these

Answer 1

The correct option is C $C_{12}{H}_{22}{O}_{11}$

General formula of disaccharide is $C_{12}{H}_{22}{O}_{11}$

Formation of disaccharide:-

When two monosaccharides react in a condensation reaction the products are a disaccharide and a molecule of water, an ether or glycosidic, link joins $2$ monosaccharides to form a disaccharide.

Sucrose, lactose and maltose are isomers, they have the same chemical formula, $C_{12}{H}_{22}{O}_{11}$, but different structures