Q.

Statement 1: Sucrose is a non-reducing sugar.
Statement 2: It has glycosidic linkage.
 

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a

Both statements 1 and 2 are correct

b

Statement 1 is incorrect and statement 2 is correct

c

Both statements 1 and 2 are incorrect

d

 Statements 1 is correct and statement 2 is incorrect

answer is A.

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Detailed Solution

Sucrose is a non-reducing sugar as it does not reduce Tollen's or Fehling's reagent, due to absence of free aldehyde or ketone group. It contains stable acetal or ketal structure
which cannot be opened into a free carboxyl group. sugar is composed of α-D-glucopyranose unit and β-D-fructofuranose unit. These units are joined by β -glycosidic linkage between C-1 of the glucose unit and C-2 of the fructose unit.

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