Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter 2007

Pre-Quiz 11

(must be done in WebCT before Wed., Jan. 17, 8:30 am)

1. How many isomers are possible for dibromochlorobenzene?

a. 2  
b. 3  
c. 4  
d. 5  
* e. 6

2. The heat of hydrogenation of benzene is

a. 152 kJ/mol  
* b. 208 kJ/mol  
c. 360 kJ/mol

3. Para-xylene is a comon name for

a. methylbenzene  
b. 4-methylphenol  
c. 1,3-dimethylbenzene  
* d. 1,4-dimethylbenzene  
e. vinylbenzene

4. Graphite is a planar form of carbon with all atoms hybridized as

a. sp  
* b. sp2  
c. sp3

5. The lone pair on the N in indole is in what orbital?

* a. p  
b. sp  
c. sp2  
d. sp3  
e. s