Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2008	Pre-Quiz 19

(must be done in Blackboard before Wed., April 2, 8:30 am)

1. The dicarboxylic acid with six carbons is called

* a. adipic acid
b. glutaric acid
c. succinic acid
d. hexanoic acid
e. pimelic acid

2. For a typical carboxylic acid with a pKa of 5, the approximate ratio of neutral carboxylic acid to carboxylate anion at pH 7 would be

a. 100:1
b. 10:1
c. 1:1
d. 1:10
* e. 1:100

3. The substituent that would increase the acidity of benzoic acid the most would be

a. m-CH3
b. p-CH3
c. p-F
* d. m-F
e. p-Cl

4. Treatment of 1-bromopentane with sodium cyanide followed by hydrolysis would give

a. butanoic acid
b. pentanoic acid
* c. hexanoic acid
d. heptanoic acid
e. pentanedioic acid

5. The compound that would undergo decarboxylation most readily would be

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