Organic Chemistry I

 

Professor Carl C. Wamser

Chapter 4 Pre-Quiz

You must log on to WebCT to submit your answers.

Your answers must be submitted before 8:30 am, Wed., Oct. 12

1. Cyclohexyl iodide is an example of a ..... alkyl halide.

a. 1°  
* b. 2°  
c. 3°  
d. 4°

2. In the methanol molecule, the atom bearing the greatest amount of negative charge is

a. C  
* b. O  
c. H (attached to C)  
d. H (attached to O

3. In a potential energy diagram of a reaction mechanism, the point of highest energy is called

a. bond dissociation energy  
b. intermediate  
* c. transition state  
d. carbocation

4. The most stable carbocation with molecular formula C5 H11 is

a. 1-pentyl  
b. 2-pentyl  
c. 3-pentyl  
* d. 1,1-dimethylpropyl  
e. 1,2-dimethylpropyl

5. The propagation steps in the free radical chlorination of methane involve

a. Cl atoms  
b. CH3 radicals  
c. CH4  
d. Cl2  
* e. all of the above