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10 June, 19:20

Which statements about reducing sugars are true? D‑Glucose (an aldose) is a reducing sugar. The oxidation of a reducing sugar forms a carboxylic acid sugar. A disaccharide with its anomeric carbons joined by the glycosidic linkage cannot be a reducing sugar. Reducing sugars contain ketone groups instead of aldehyde groups. A reducing sugar will not react with the Cu2 + in Benedict's reagent.

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  1. 10 June, 19:32
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    The true statements are given below.

    Explanation:

    1 D glucose is a reducing sugar

    2 The oxidation of reducing sugar forms a carboxylic acid sugar.

    D glucose is a reducing sugar because glucose contain a free hydroxyl group (-OH) in its anomeric carbon.

    The oxidation of reducing sugar result in the conversion of - CHO group in case of aldose sugar and - CH2OH group in case of ketose sugar into carboxylic acid (-COOH).
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