Organic Chemistry I

Chem 334 - Fall 2009

Pre-Quiz 3

Professor Carl C. Wamser

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Your answers must be submitted before 8:30 am, Fri., Oct. 9

1. Staggered and eclipsed represent terms that could be used to describe the conformations of

a. ethane
b. butane
c. cyclohexane
d. 1,2-dimethylcyclohexane
* e. all of the above

2. Cis and trans represent terms that could be used to describe different structures of

a. ethane
b. butane
c. cyclohexane
* d. 1,2-dimethylcyclohexane
e. all of the above

3. The most stable conformation of which compound below has two equatorial groups?

a. cis-1,4-dimethylcyclohexane
* b. trans-1,4-dimethycyclohexane
c. 1,1-dimethylcyclohexane
d. cis-1,2-dimethylcyclohexane
e. all of the above

4. Which if the following compounds is an example of a spiroalkane?

a. adamantane
* b. vetivone
c. hopane
d. camphene
e. cis-decalin

5. The molecular formula for bicyclo[2.2.0]hexane is

a. C6 H6
b. C6 H8
* c. C6 H10
d. C6 H12
e. C6 H14