Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2006	Pre-Quiz 12

(must be done in WebCT before Mon., Jan. 23, 8:30 am)

1. The active electrophile in a nitration reaction is

a. NO  
b. NO+  
c. NO2  
* d. NO2+  
e. HNO2

2. Sulfonation of benzene gives

a. benzoic acid  
b. toluene  
c. phenol  
* d. benzenesulfonic acid  
e. benzenesulfate

3. The intermediate formed in the bromination of benzene is a delocalized cation with how many resonance forms?

a. 1  
b. 2  
* c. 3  
d. 4  
e. more than 4

4. Synthesis of m-bromonitrobenzene would be best done by

* a. nitration followed by bromination  
b. bromination followed by nitration  
c. either order will work

5. Synthesis of p-bromonitrobenzene would be best done by

a. nitration followed by bromination  
* b. bromination followed by nitration  
c. either order will work