1.

Define the following terms : (i) Glycosidic linkage (ii) Invert sugar (iii) Oligosaccharides.

Answer»

(i) Glycosidic linkage: The two monosaccharides units are joined together through an oxide linkage formed by loss of a molecule of H2O.

(ii) Invert sugar: Hydrolysis of sucrose brings about a change in a sign of rotation from dextro (+) to laevo (-) and the product is known as invert sugar.

(iii) Carbohydrates that yield two to ten monosaccharides units, on hydrolysis are called Polysaccharides. 

Examples are starch, cellulose, glycogen etc.



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