Organic Chemistry I

 

Professor Carl C. Wamser

Chapter 7 Pre-Quiz

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Your answers must be submitted before 8:30 am, Mon., Nov. 7

1. Which of the following could exist in enantiomeric forms?

a. 1-bromopropane  
b. 2-bromopropane  
c. methylcyclohexane  
d. 1-bromo-1-methylcyclohexane  
* e. none of the above

2. In ranking priorities, the highest priority group in the list below is

a. C(CH3)3  
b. CH2(CH2)9CH3  
* c. OCH3  
d. CF3  
e. CH2Br

3. Cis and trans isomers are examples of

a. enantiomers  
* b. diastereomers  
c. conformational isomers  
d. constitutional isomers

4. The enantiomer of trans-1-bromo-2-methylcyclopentane would be

* a. also called trans-1-bromo-2-methylcyclopentane  
b. cis-1-bromo-2-methylcyclopentane  
c. trans-1-bromo-3-methylcyclopentane  
d. cis-1-bromo-3-methylcyclopentane  
e. it has no enantiomer

5. How many chirality centers exist in thalidomide (p 312)?

a. 0  
* b. 1  
c. 2  
d. 3  
e. more than 3