Organic Chemistry I

Professor Carl C. Wamser

Chapter 2 Pre-Quiz

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Your answers must be submitted before 8:30 am, Fri., Oct. 1

1. What is the hybridization of C in HCN ?

* a. sp  
b. sp2  
c. sp3  
d. unhybridized

2. What is the molecular formula of isopentane ?

a. C5 H10  
b. C5 H11  
* c. C5 H12  
d. C6 H12  
e. C6 H14

3. The name 1,2-dimethylpropane is incorrect. The correct name should be

a. 1,1-dimethylpropane  
b. 2,3-dimethylpropane  
c. 2,2-dimethylpropane  
* d. 2-methylbutane  
e. isobutane  
f. none of the above

4. Which compound below contains a quaternary carbon ?

a. cyclohexane  
b. hexane  
c. 2-methylhexane  
d. 2,3-dimethylhexane  
* e. 2,2-dimethylhexane

5. Conversion of acetylene to ethane is an example of what category of reaction ?

a. oxidation  
* b. reduction  
c. acid-base  
d. substitution