Organic Chemistry I

 

Professor Carl C. Wamser

Chapter 4 Pre-Quiz

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Your answers must be submitted before 8:30 am, Fri., Oct. 13

1. 2-Methylcyclopentanol is an example of

a. a 1° alcohol  
* b. a 2° alcohol  
c. a 3° alcohol  
d. a 4° alcohol  
e. none of the above

2. An intermediate expected in an SN2 mechanism is

a. a carbocation  
b. a free radical  
c. either one  
* d. none of the above

3. The conjugate acid of an alcohol is called

* a. an oxonium ion  
b. a carbocation  
c. an alkoxide ion  
d. a free radical  
e. an alkyl halide

4. Homolytic cleavage of the weakest C-H bond in isobutane would give

a. tert-butyl carbocation  
* b. tert-butyl free radical  
c. isobutyl carbocation  
d. isobutyl free radical  
e. tert-butyl chloride

5. The most stable carbocation in the list below is

a. methyl  
b. ethyl  
c. propyl  
* d. isopropyl  
e. isobutyl