Assertion :Sucrose is a reducing sugar and exhibits mutarotation. Reason: Sucrose is a disaccharide consisting of glucose and fructose units.

Statements A and R are true and R is the correct explanation of A.

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Statements A and R are true and R is not the correct explanation of A.

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Statements A is true and R is false.

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Statements A is false and R is true.

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Solution

The correct option is D Statements A is false and R is true.
In sucrose an aldehyde group of glucose and keto group of fructose are involved in glycosidic linkage. Due to non-availability of hydroxyl group, sucrose is non-reducing sugar and does not exhibit mutarotation.

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Assertion :Sucrose is a reducing sugar and exhibits mutarotation. Reason: Sucrose is a disaccharide consisting of glucose and fructose units.

The correct option is D Statements A is false and R is true.In sucrose an aldehyde group of glucose and keto group of fructose are involved in glycosidic linkage. Due to non-availability of hydroxyl group, sucrose is non-reducing sugar and does not exhibit mutarotation.

The correct option is D Statements A is false and R is true.
In sucrose an aldehyde group of glucose and keto group of fructose are involved in glycosidic linkage. Due to non-availability of hydroxyl group, sucrose is non-reducing sugar and does not exhibit mutarotation.