Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2005	Chapter 14 Pre-Quiz

(must be done in WebCT before Mon., Feb. 14, 8:30 am)

1. A Grignard reagent is reactive towards

a. water  
b. aldehydes  
c. ketones  
d. esters  
* e. all of the above

2. A carbon intermediate with only two bonds is called a

a. carbocation  
b. carbanion  
c. free radical  
* d. carbene  
e. carbenoid

3. Which of the following can act as a nucleophile towards C=O bonds?

a. a Grignard reagent  
b. an acetylide anion  
c. an alkyllithium  
* d. all of the above  
e. none of the above

4. Cyclopropane derivatives are conveniently prepared using

a. Grignard reagents  
b. cuprates  
* c. carbenoids  
d. alkyllithiums  
e. acetylides

5. It would be possible to synthesize 2-methyl-2-hexanol using

a. methyl magnesium bromide  
b. ethyl magnesium bromide  
c. propyl magnesium bromide  
d. butyl magnesium bromide  
e. pentyl magnesium bromide  
* f. more than one of the above