Organic Chemistry II |
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Professor Carl C. Wamser |
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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