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Question: Answered & Verified by Expert
The open-chain glucose, (an aldohexose) and fructose (a 2-oxohexose) have X and Y chiral carbons respectively. Find the sum of X + Y.
ChemistryBiomoleculesJEE Main
Solution:
1991 Upvotes Verified Answer
The correct answer is: 7
Open-chain glucose,
 and open-chain fructose,
 has three chiral carbons.
Hence sum of X + Y = 4 + 3 = 7.

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