Biomolecules and Chemistry in Everyday Life 1 Question 31
33. When the following aldohexose exists in its D-configuration, the total number of stereoisomers in its pyranose form, is
(2012)
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Solution:
- The D-form of given sugar is
Configurations at the three chiral carbons (starred) can be changed maintaining D-configuration. Hence, the total number of steroisomers of D-pyranose $=2^{3}=8$
Thus, the correct integer is 8 .
