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JEE Main Chemistry question

ChemistryBiomoleculesJEE Main

Two monosaccharides, -D-mannose and -D-fructose, are linked by and carbons in such a way that they form a non-reducing disaccharide. What is the value of ?

Answer: 3

Solution

To form a non-reducing disaccharide, both anomeric (reducing) carbons must be tied up in the glycosidic bond: the anomeric carbon of mannose is C1

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Question ID VK-151249