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The open-chain glucose, (an aldohexose) and fructose (a 2-oxohexose) have X and Y chiral carbons respectively. Find the sum of X + Y.

Correct answer

7

Step-by-step solution

Open-chain glucose, and open-chain fructose, has three chiral carbons. Hence sum of X + Y = 4 + 3 = 7.

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