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Q.
Choose the correct relationship for $\alpha-D$-glucose $(A)$ and $\beta- D -$ glucose $( B )$.
Biomolecules
Solution:
$\alpha$-D-glucose and $\beta$-D-glucose are anomers, because they differ in the orientation of the hydroxyl group at only $C_{1}$. On the other hand, epimers have several chiral carbons (or centres) differing in configuration about any chiral centre, not necessarily at $C_{1}$. Thus, all anomers are epimers, but all epimers are not anomers.