JEE CHEMISTRY MCQ: BIOMOLECULES

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What does '

D

' and

(+)

signifies in

D-(+)

-glucose?

View answer and explanation

Correct option: B

D represents configuration and

(+)

represents the dextrorotatory nature of molecule

Option B (D represents configuration and (+) represents the dextrorotatory nature of molecule) is correct because 'D' indicates the configuration at the chiral carbon farthest from the aldehyde or ketone group, and '(+)' indicates that the molecule rotates plane-polarized light clockwise (dextrorotatory).

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