Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2009	Pre-Quiz 25

(must be done in Blackboard before Fri., May 1, 8:30 am)

1. D-Fructose is an example of a

a. aldopentose
b. aldohexose
c. ketopentose
* d. ketohexose

2. The absolute stereochemistry of D-threose is

a. 2R,3R
b. 2R,3S
* c. 2S,3R
d. 2S,3S

3. Alpha-D-glucopyranose has how many stereocenters?

a. 2
b. 3
c. 4
* d. 5
e. 6

4. The artificial sweetener most closely related to a sugar is

a. saccharin
* b. sucralose
c. aspartame

5. Oxidation of D-glucose with nitric acid gives

* a. glucaric acid
b. gluconic acid
c. glucuronic acid
d. glucitol
e. sorbitol