Q.
What does 'D' and (+) signifies in D-(+)-glucose?
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a
represents conformation and (+) represents the laevorotatory nature of molecule
b
D represents configuration and (+) represents the dextrorotatory nature of molecule
c
D represents conformation and (+) represents the dextrorotatory nature of molecule
d
D represents configuration and (+) represents the laevorotatory nature of molecule
answer is B.
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Detailed Solution
Glucose is correctly named as D(+)-glucose. 'D' before the name of glucose represents the configuration whereas '(+)' represents dextrorotatory nature of the molecule. Itmay be remembered that 'D' and 'L' have no relation with an optical activity of the compound.
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