Question
Question: The given structure (I) and (II) represent configurations of the simplest sugar glyceraldehyde. Whic...
The given structure (I) and (II) represent configurations of the simplest sugar glyceraldehyde. Which of the following statements is not correct for the structures?
A
(I) represent D – form while (II) represent L – form of glyceraldehyde.
B
The sugar having same configurations as D -
Glyceraldehydes are designated as D – sugars.
C
Natural glucose and fructose are D – forms.
D
D is dextrorotatory while L is laevorotatory enantiomer.
Answer
D is dextrorotatory while L is laevorotatory enantiomer.
Explanation
Solution
D – represent – OH group on the right side of lowest asymmetric C-atom while L – represent – OH group on the left.