Organic Chemistry III

Professor Carl C. Wamser

Chem 336 - Spring 2007

Pre-Quiz 19

(must be done in WebCT before Wed., April 4, 8:30 am)

1. The strongest acid in the list below is

a. fluoroacetic acid  
b. chloroacetic acid  
* c. cyanoacetic acid  
d. acetic acid

2. The strongest acid among the nitrobenzoic acid isomers is

* a. ortho  
b. meta  
c. para

3. Treatment of 1,2-dibromoethane with excess sodium cyanide, followed by hydrolysis would give

a. ethanedioic acid  
b. propanedioic acid  
* c. butanedioic acid  
d. pentanedioic acid  
e. hexanedioic acid

4. A delta-lactone has a ring containing how many carbon atoms?

a. 4  
* b. 5  
c. 6  
d. 7

5. In the H-1 NMR of a carboxylic acid, the -COOH proton is most likely to appear in the range (ppm) of

a. 1-4  
b. 4-7  
c. 7-10  
* d. 10-13