Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring Term	Pre-Quiz 23

(must be done in D2L before Fri., May 4, 8:30 am)

1. Which sugar below is an aldopentose?

a) fructose

b) glucose

* c) ribose

d) sucrose

2. The C-2 epimer of D-glucose is

a) L-glucose

b) D-fructose

c) D-allose

* d) D-mannose

3. The anomer of beta-D-glucopyranose is

* a) alpha-D-glucopyranose

b) beta-L-glucopyranose

c) alpha-L-glucopyranose

d) beta-D-glucofuranose

4. A disaccharide that could be hydrolyzed to two equivalents of D-glucose would be

a) sucrose

* b) maltose

c) lactose

d) sucralose

5. The absolute stereochemistry of D-erythrose is

* a) 2R,3R

b) 2R,3S

c) 2S,3R

d) 2S,3S