Among the following statements about the mole | vedclass

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(B, C, D) Both the given molecules contain $6$ carbon atoms with an aldehyde group, so these are called aldohexoses. In $X$, the $-OH$ group attached

Vedclass · Accepted Answer

$X$ is a $D$-sugar and $Y$ is an $L$-sugar

Vedclass · Answer

(B, C, D) Both the given molecules contain $6$ carbon atoms with an aldehyde group, so these are called aldohexoses. In $X$, the $-OH$ group attached to the second-last carbon ($C$-$5$) is on the right-hand side, so it is a $D$-sugar. In $Y$, the $-OH$ group attached to the second-last carbon ($C$-$5$) is on the left-hand side, so it is an $L$-sugar. Since $X$ and $Y$ are non-superimposable mirror images of each other, they are enantiomers. Therefore, statements $B$, $C$, and $D$ are correct.

List-$I$ (Carbohydrate)	List-$II$ (Linkage Source)
$A$. Amylose	$I$. $\beta-C_1-C_4$,plant
$B$. Cellulose	$II$. $\alpha-C_1-C_4$,animal
$C$. Glycogen	$III$. $\alpha-C_1-C_4, \alpha-C_1-C_6$,plant
$D$. Amylopectin	$IV$. $\alpha-C_1-C_4$,plant

Among the following statements about the molecules $X$ and $Y$, which one$(s)$ is/are correct?

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