Organic Chemistry I

 

Professor Carl C. Wamser

Chapter 9 Pre-Quiz

You must log on to WebCT to submit your answers.

Your answers must be submitted before 8:30 am, Wed., Nov. 23

1. Acetylene is a stronger acid than

a. water  
b. methanol  
* c. ammonia  
d. none of the above

2. Propyne can be synthesized from acetylide anion and methyl iodide using what type of reaction?

a. E1  
b. E2  
c. SN1  
* d. SN2

3. Addition of two equivalents of HCl to acetylene gives

* a. 1,1-dichloroethane  
b. 1,2-dichloroethane  
c. 1,1,2,2-tetrachloroethane  
d. cis-1,2-dichloroethene  
e. trans-1,2-dichloroethene

4. Acetone (dimethyl ketone) could be made by hydration of which alkyne?

a. acetylene  
* b. propyne  
c. 1-butyne  
d. 2-butyne  
e. 3-hexyne

5. The following synthetic sequence would generate what final product? propene treated with Br2, followed by excess NaNH2

a. propane  
b. propene  
* c. propyne  
d. 2-bromopropane  
e. 2-bromopropene