Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter 2006

Pre-Quiz 17

(must be done in WebCT before Wed., Mar. 1, 8:30 am)

1. Vinyl methyl ketone would be properly named

a. 1-buten-2-one  
b. 1-buten-3-one  
c. 2-buten-2-one  
d. 2-buten-3-one  
* e. 3-buten-2-one

2. 1,1-Hexanediol is

* a. a hydrate  
b. a hemiacetal  
c. an acetal  
d. an aldehyde  
e. a vicinal diol

3. In the acid-catalyzed formation of an acetal, all of the following are intermediates EXCEPT

a. hydronium ion  
b. oxonium ion  
c. hemiacetal  
* d. alkoxide  
e. carbocation

4. In a Baeyer-Villager oxidation, the group below with the highest migratory aptitude is

a. n-butyl  
b. sec-butyl  
* c. t-butyl  
d. methyl

5. The appropriate Wittig reagent could react with butanal to form

a. 1-butene  
b. 2-butene  
* c. 1-pentene  
d. 2-pentene