Question

Give an example each of the following: [DoE]
(i) Reducing sugar
(ii) Non-reducing sugar

Answer 1

Answer:

(1) Reducing sugar : Glucose, Fructose, Ribose,Xylose, Glyceraldehyde.

(2) Non-reducing sugar : Sucrose, Trehalose, Raffinose, Verbascose.

Explanation:

(1)All monosaccharides are reducing sugars , because all monosaccharides have an aldehydic group or can tautomerize in solution to form an aldehyde group (if they are ketones).

(2) Sucrose is a commonally used non-reducing sugar.