Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2006	Pre-Quiz 13

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

1. A photon with a frequency of 10^13 Hz would be classified as

a. x-ray  
b. ultraviolet  
c. visible  
* d. infrared  
e. microwave  
f. radiowave

2. In a magnetic field, a hydrogen nucleus (a proton) has how many spin quantum states?

a. 0  
b. 1/2  
c. 1  
* d. 2  
e. more than 2

3. The compound below with the most deshielded hydrogens is

* a. CH3F  
b. CH3OCH3  
c. (CH3)3N  
d. CH3CH3  
e. (CH3)4Si

4. The compound below that would give a singlet in a proton NMR spectrum is

a. butane  
b. 1-bromobutane  
c. 1,4-dibromobutane  
d. 1,2,3,4-tetrabromobutane  
* e. 2,2,3,3-tetrabromobutane

5. The Index of Hydrogen Deficiency (IHD) for naphthalene is

a. 4  
b. 5  
c. 6  
* d. 7  
e. more than 7