Organic Chemistry II |
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Professor Carl C. Wamser |
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Chem 335 - Winter 2005 |
Chapter 10 Pre-Quiz |
(must be done in WebCT before Fri., Jan. 21, 8:30 am)
1. Which of the following would be described as an allylic chloride?
a. 1-chlorocyclohexene
b. 2-chlorocyclohexene
* c. 3-chlorocyclohexene
d. 4-chlorocyclohexene
e. 5-chlorocyclohexene
2. The stability of the allyl cation is due to a pi system that encompasses
a. two p orbitals
* b. three p orbitals
c. four p orbitals
d. sigma bonds as well as p orbitals
3. Which of the following would be described as a cumulated diene?
a. 1,1-hexadiene
* b. 1,2-hexadiene
c. 1,3-hexadiene
d. 1,4-hexadiene
e. 1,5-hexadiene
4. Cembrene (p 399) includes examples of
a. only conjugated double bonds
b. only cumulated double bonds
c. only isolated double bonds
d. both conjugated and cumulated double bonds
* e. both conjugated and isolated double bonds
5. Which of the following would make the best dienophile in a Diels-Alder reaction?
a. benzene
b. cyclohexene
c. 2-butyne
* d. benzoquinone
e. natural rubber