Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter 2006

Pre-Quiz 18

(must be done in WebCT before Wed., Mar. 8, 8:30 am)

1. The strongest acid in the list below would be

a. formaldehyde  
b. acetone  
c. 1-chloro-2-propanone  
d. 1,1-dichloro-2-propanone  
e. 1,3-dichloro-2-propanone

2. Including E and Z isomers, how many different enols could be in equilibrium with 3-pentanone?

a. 1  
b. 2  
c. 3  
d. 4  
e. 5

3. A base strong enough to completely convert cyclohexanone to its enolate anion would be

a. sodium hydroxide  
b. sodium methoxide  
c. sodium carbonate  
d. lithium diisopropylamide

4. A mixed aldol condensation that produced 4-phenyl-3-buten-2-one would require as starting materials

a. 2-butanone and benzaldehyde  
b. acetone and benzaldehyde  
c. benzophenone and acetaldehyde  
d. benzophenone and butanal  
e. benzaldehyde and butanal

5. Conjugate addition of ammonia to 2-cyclohexenone would give

a. an amino ketone  
b. an amino alcohol  
c. an imine  
d. an amino alkenol  
e. an alkenamine