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

(must be done in Blackboard before Mon., Jan. 25, 8:30 am)

1. The spectroscopic technique that uses radiofrequencies is

a. UV
b. IR
c. MS
* d. NMR

2. The carbonyl stretching will show up in an infrared spectrum at about what wavenumber?

a. 3300
b. 2900
c. 2200
* d. 1700
e. 1200

3. The compound below that would show only a single peak in a C-13 NMR spectrum is

a. propane
b. 2,2-dimethylpropane
c. 2,3-dimethylbutane
d. 2,2,3,3-tetramethylbutane
* e. cyclohexane

4. The parent molecular ion for toluene would be observed at m/z =

a. 78
b. 84
* c. 92
d. 99
e. 102

5. The index of hydrogen deficiency for toluene is

a. 2
b. 3
* c. 4
d. 5
e. 0