First slide

Glucose

Question

Statement I ; Carbohydrates having D-configuration are always dextro rotatory
Statement II ; D-(+)-glucose and L-(-)-glucose are a pair of enantiomers

Moderate

A

Statements I and II are correct
B

Statement I is correct and statement II is incorrect
C

Statement I is incorrect and statement II is correct
D

Statements I and II are incorrect

Solution

(I)Carbohydrates having D-configuration can be dextro rotatory or laevo rotatory;
Ex-D-(+)-glucose, D-(-)-galactose;
(II)
Mirror image of D-(+)-glucose will be L-(-)-glucose…they are a pair of enantiomers;

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