Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2005	Chapter 13 Pre-Quiz

(must be done in WebCT before Wed., Jan. 5, 8:30 am)

1. The energy of a photon is directly proportional to

* a. its frequency  
b. its wavelength  
c. the speed of light
d. its quantum number
e. Planck's constant  

2. TMS has a molecular weight closest to

a. 32  
b. 68  
c. 74  
d. 78  
e. 84  
* f. 88  
g. 98

3. In a 1-H NMR spectrum, the observation of a triplet and a quartet is most likely an indication of

a. seven hydrogens  
b. two different methyl groups  
* c. an ethyl group  
d. the presence of chlorine  
e. the presence of a carbonyl group

4. The index of hydrogen deficiency (IHD) for toluene (methylbenzene) is

a. 0  
b. 1  
c. 2  
d. 3  
* e. 4  
f. 5  
g. 6

5. In a mass spectrum, the molecular ion for toluene (methylbenzene) would be observed at (m/z) =

[ enter a number only ] 92