Organic Chemistry I

 

Professor Carl C. Wamser

Chapter 3 Pre-Quiz

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Your answers must be submitted before 8:30 am, Fri., Oct. 6

1. The most stable conformation of hydrogen peroxide (H2O2) has the two O-H bonds oriented at an angle of about

a. 0°  
b. 180°  
* c. 60°

2. If two adjacent substituents are at a torsion angle of 120°, the conformation would be described as

* a. eclipsed  
b. gauche  
c. anti  
d. axial  
e. equatorial

3. The compound below that would be expected to have the highest heat of combustion would be

* a. propylcyclopropane  
b. ethylcyclobutane  
c. methylcyclopentane  
d. cyclohexane

4. The most stable conformation of t-butylcyclohexane would be best described as

a. eclipsed  
b. gauche  
c. anti  
d. axial  
* e. equatorial

5. Spiro[3.4]octane is an isomer of

a. octane  
b. cyclooctane  
* c. bicyclo[2.2.2]octane  
d. bicyclo[4.3.0]octane  
e. cyclobutylcyclopentane