Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is ............. .
(a) monosaccharide (b) disaccharide
(c) reducing suager (d) non-reducing sugar
Answers: (b) and (d).
Sucrose on hydrolysis produces an equimolar mixture of α−D(+) glucose and B-D(-). fructose. Since in sucrose C- 1 of glucose and C-2 of fructose are linked with each other So, they are non-reducing in nature.