Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2005	Chapter 9 Pre-Quiz

(must be done in WebCT before Wed., Jan. 12, 8:30 am)

1. The order of acidity of C-H bonds is

a. sp3 > sp2 > sp  
* b. sp > sp2 > sp3  
c. all are the same

2. A base strong enough to deprotonate acetylene is

a. KOH in EtOH  
b. NaOH in H2O  
c. liquid NH3  
d. Na2CO3  
* e. NaNH2 in NH3

3. The Lindlar catalyst is useful for

a. oxidation of alkynes  
b. anti-Markovnikov addition to alkynes  
* c. cis-hydrogenation of alkynes  
d. hydration of alkynes  
e. nucleophilic substitution with alkynes

4. Which of the following could be described as a vicinal dihalide?

a. 1,1-dibromobutane  
* b. 1,2-dibromobutane  
c. 1,3-dibromobutane  
d. 1,4-dibromobutane  
e. none of the above

5. Trans-alkenes can be made from alkynes using

a. H2 with catalyst  
b. NaNH2 in NH3  
* c. Na in NH3  
d. KOH in EtOH  
e. ozone