Organic Chemistry III

Professor Carl C. Wamser

Chapter 19 Pre-Quiz

(must be done in WebCT before Fri., April 9, 8:30 am)

1. If the pH is lower than the pKa, a carboxylic acid will be primarily

* a. neutral  
b. cationic  
c. anionic  
d. enolized  
e. hydrolyzed

2. The strongest acid in Table 19.2 is

a. acetic acid  
b. 2,2-dimethylpropanoic acid  
c. nitroacetic acid  
* d. trichloroacetic acid  
e. none of the above

3. Which of the following is an unsaturated fatty acid?

a. stearic acid  
b. lactic acid  
c. succinic acid  
* d. oleic acid  
e. phthalic acid

4. Which of the following will undergo decarboxylation most readily?

a. 2-oxohexanoic acid  
* b. 3-oxohexanoic acid  
c. 4-oxohexanoic acid  
d. 5-oxohexanoic acid  
e. 6-oxohexanoic acid  

5. A delta-lactone would be an ester in a ring of size

a. 3  
b. 4  
c. 5  
* d. 6  
e. more than 6