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Question: Answered & Verified by Expert
Among the following statements about the molecules $X$ and $Y$, the one(s) which correct is (are)
ChemistryGeneral Organic ChemistryWBJEEWBJEE 2014
Options:
  • A $X$ and $Y$ are diastereomers
  • B $X$ and $Y$ are enantiomers
  • C $X$ and $Y$ are both aldohexoses
  • D $X$ is a D-sugar and $Y$ is an L-sugar
Solution:
2289 Upvotes Verified Answer
The correct answers are: $X$ and $Y$ are enantiomers, $X$ and $Y$ are both aldohexoses, $X$ is a D-sugar and $Y$ is an L-sugar
Both the given molecules contain 6 carbon atoms with an aldehyde group, so these are called aldohexoser, In $X$, the $-O H$ attached to second last carbon in on right hand side while in $Y$ it is on left hand side, so $x_{i j}$ D-sugar and $Y$ is L-sugar, $X$ and $Y$ are the mirror images of each other, i.e., these are enantiomers.

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