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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Biomolecules
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The correct statement about the following sugars X and Y is

$\begin {array} {1 1} (A)\;\text{X is a reducing sugar and Y is a non reducing sugar}\\ (B)\;\text{Y is a reducing sugar and X is a non reducing sugar} \\ (C)\;\text{The glycosidic linkages in X and Y are $ \alpha$ and $ \beta$ respectively}\\ (D)\;\text{The glycosidic linkages in Y and X are $ \alpha$ and $ \beta$ respectively} \end {array}$

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The free aldehydic group can be produced in $C_1$ of the second glucose in solution and it shows reducing properties and it is reducing sugar (Y)
(x) is nonreducing because the aldehydic groups are involved in glycoside formation
Ans : (B)
answered Mar 30, 2014 by thanvigandhi_1
 
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