JEE Main Chemistry question

Which of the following is an epimer of glucose?

(A)GalactoseCorrect
(B)Fructose
(C)MannoseCorrect
(D)Arabinose

Answer: (A),(C)

Solution

Epimers are diastereomeric aldoses that differ in configuration at exactly one chiral carbon while being identical at all others. D-Mannose differs from D-glucose only at C-2, and D-galactose differs from D-glucose only at C-4, so both are genuine epimers of glucose. Fructose, being a

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Question ID VK-151057