Organic
Chemistry III
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Professor Carl C. Wamser |
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Chapter 18 Pre-Quiz |
Chem 336 - Spring 2005 |
(must be done in WebCT before Mon., April 4, 8:30 am)
1. The name for the enol of 3-pentanone would be
a. 1-penten-2-ol
b. 2-penten-2-ol
* c. 2-penten-3-ol
d. 3-penten-3-ol
e. 4-penten-3-ol
2. At equilibrium, the enol form of acetone is about what percent of the total amount of acetone present?
a. 50%
b. 10%
c. 1%
d. 0.1%
* e. < 0.1%
3. An exchange process in basic D2O will put how many D atoms onto 2-pentanone?
a. 2
b. 3
c. 4
* d. 5
e. 6
4. The product 3-hydroxy-1-phenyl-1-propanone could be made by a mixed aldol condensation between acetophenone and
* a. formaldehyde
b. acetaldehyde
c. propanal
d. acetone
e. benzaldehyde
5. Conjugate addition of lithium dimethylcuprate adds a methyl group to which position of 2-cyclopentenone?
a. 1
b. 2
* c. 3
d. 4
e. 5