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JEE Main Chemistry question

ChemistryBiomoleculesJEE Main

In the open-chain structure, the number of chiral carbon atoms in D-(-)-ribose is .

Answer: 3

Solution

Open-chain D-(-)-ribose, CHO-(CHOH)_3-CH_2OH, has three stereocentres (C2, C3 and C4), giving 3 chiral carbon atoms.

Question ID VK-151279