MHT CET 2026 Chemistry question

The letter 'D' in carbohydrates signifies

(A)dextrorotatory
(B)configurationCorrect
(C)diamagnetic nature
(D)mode of synthesis

Answer: (B)

Solution

The prefixes D and L in carbohydrates refer to the relative configuration of the molecule: in D-sugars the OH group on the chiral carbon farthest from the carbonyl group (C-5 in glucose) is on the right in the Fischer projection, like

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Question ID VK-099100