Organic Chemistry III
	Professor Carl C. Wamser
	Chapter 23 & 24 Pre-Quiz	Chem 336 - Spring 2005

(must be done in WebCT before Mon., May 2, 8:30 am)

1. In nucleophilic substitution on an aryl halide, the most reactive halide leaving group is

* a. F  
b. Cl  
c. Br  
d. I  
e. all are equally reactive

2. In the benzyne mechanism, starting with ortho-chlorotoluene could lead to product isomers

a. ortho only  
* b. ortho and meta  
c. ortho, meta, and para  
d. meta only  
e. ortho and para

3. The correct order of acidity among acetic acid (A), methanol (M) and phenol (P) is

a. A > M > P  
* b. A > P > M  
c. P > A > M  
d. P > M > A  
e. M > P > A  
f. M > A > P

4. If phenol is considered an enol, the keto form would be

a. cyclohexadiene carboxaldehyde  
b. benzenone  
c. phenyl methyl ketone  
* d. cyclohexadienone  
e. cyclohexanone

5. Which of the following is NOT a naturally ocurring phenol?

a. thymol  
b. vitamin E  
* c. vitamin K  
d. catechin  
e. tetrahydrocannibinol