Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is a __________.
(i) monosaccharide
(ii) disaccharide
(iii) reducing sugar
(iv) non-reducing sugar
The answer is the option (ii) and (iv). As sucrose gives an equimolar solution of glucose and fructose on hydrolysis and the of the sugar being non-reducing sugar due to its involvement in glycosidic bond formation it is a disaccharide. Making Option (ii) and (iv) as the correct answers.