Question

The correct statement`(s)` about the following sugars `(X)` and `(Y) is//are`:


A. `X` is a reducing sugar and `Y` is a non-reducing sugar
B. `X` is a non-reducing sugar and `Y` is a reducing sugar.
C. The glucosidic linkages in `X` and Y are `alpha` and `beta`, respectively.
D. The glucosidic linkages in `X` and `Y` are `beta` and `alpha`, respectively.

Answer 1

Correct Answer - B::C
`X` has acetal linkage and `Y` has hemiacetal linkage. Carbohydrate with hemiacetal linkage are reducing `X` is `alpha-` anomer and `Y` is `beta-` anomer of `D(+)` glucose.