Organic Chemistry I |
Pre-Quiz 3 |
Professor Carl C. Wamser |
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Your answers must be submitted before 8:30 am, Fri., Oct. 5
1. The different conformations of ethane could be described as
* a. staggered / eclipsed
b. anti / gauche
c. axial / equatorial
d. cis / trans
2. Which of the following does NOT make a contribution to molecular mechanics calculations of stability?
a. bond lengths
b. bond angles
c. torsion angles
* d. dipole moments
e. van der Waals interactions
3. Regions of highest electron density in cyclopropane are located
a. in the C-H bonds
b. along the C-C bond axis
* c. outside the C-C bonds
d. near the H atoms
4. The isomer with the highest heat of combustion would be
a. cyclopentane
b. methylcyclobutane
* c. cis-1,2-dimethylcyclopropane
d. trans-1,2-dimethylcyclopropane
5. Which of the following is a correct name?
a. bicyclo[2.3.1]octane
* b. spiro[4.5]decane
c. bicyclo[2.2.0]pentane
d. spiro[4.3]octane
e. bicyclo[3.3.1]decane