Which of the following is a reducing sugar?

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(B) reducing sugar is a carbohydrate that possesses a free aldehyde or ketone group, which allows it to act as a reducing agent.All monosaccharides, s

Vedclass · Accepted Answer

Galactose

Vedclass · Answer

(B) reducing sugar is a carbohydrate that possesses a free aldehyde or ketone group, which allows it to act as a reducing agent.All monosaccharides, such as glucose, fructose, and galactose, are reducing sugars because they contain a free anomeric carbon.Sucrose is a non-reducing sugar because its glycosidic bond involves the anomeric carbons of both glucose and fructose, leaving no free aldehyde or ketone group.Gluconic acid is an oxidation product of glucose and does not function as a reducing sugar in the same manner.$\beta - 	ext{methyl galactoside}$ is a glycoside where the anomeric hydroxyl group is replaced by a methoxy group, making it non-reducing.Therefore, Galactose $(C_6H_{12}O_6)$ is a monosaccharide and acts as a reducing sugar.

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