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

Q: 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

a $X$ has acetal linkage and $Y$ has hemiacetal linkage. Carbohydrate with hemiacetal linkage are reducing sugars and carbohydrate with acetal linkage are non reducing sugars. $X$ is $\alpha$ anomer and $Y$ is $\beta$-anomer of $D(+)$ glucose

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

A$(B,C)$
B$(B,D)$
C$(A,C)$
D$(A,B)$

IIT 2009, Difficult

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