Chapter 9: Carbohydrates
9.8 Practices Answers
- Answer the following questions:
a. Refer to the structures of D-sugars in Fig. 9.1e, and draw the structure of L-mannose.
b. D-Mannose is epimer to D-Glucose on which carbon?
#2 carbon
c. Draw the β-pyranose form of D-Mannose in both Haworth projection and chair conformation.
d. When D-Mannose is oxidized by nitric acid, an aldaric acid product is obtained. Show the reaction equation with open-chain structures, and determine whether the aldaric acid product is optical active.
- Show the product.
a.
b.
c.
d.
e.
f.
