Question

Carbohydrates are classified on the basis of their bahaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is a ............ .
A. monosaccharide
B. disaccharide
C. reducing sugar
D. non-reducing sugar

Answer 1

Correct Answer - B::D
Sucrose on hydrolysis produces equimolar mixture of `alpha - 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.