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What does the D prefix in D-glucose refer to?

ASame handedness at C-5 as D-glyceraldehyde
BRotation of light to the right
CPresence of a dihydroxy group
DOccurrence in a dry crystalline state
Answer & Solution
Correct answer: A. Same handedness at C-5 as D-glyceraldehyde
The D label depends on the configuration of the C-5 chiral centre compared with D-glyceraldehyde, not on measured rotation.
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