Organic Chemistry II
	Professor Carl C. Wamser
Chem 335 - Winter 2004	Pre-Quiz 13

Chapter 13 Pre-Quiz

(must be done in WebCT before Wed., Jan. 7, 8:30 am)

1. The technique of nuclear magnetic resonance can provide information about which of the following aspects of a molecular structure?

a) number of different kinds of hydrogen
b) number of different kinds of carbon
c) the environment of each kind of hydrogen
d) the environment of each kind of carbon
* e) all of the above
f) none of the above

2. The technique of ultraviolet-visible spectroscopy can provide information about which of the following aspects of a molecular structure?

a) number of different kinds of hydrogen
b) number of different kinds of carbon
c) the environment of each kind of hydrogen
d) the environment of each kind of carbon
e) all of the above
* f) none of the above

3. The technique that would be most effective to distinguish between a ketone and a nitrile would be

a) proton NMR
b) carbon-13 NMR *(also acceptable)
* c) infrared spectroscopy
d) ultraviolet-visible spectroscopy
e) mass spectrometry

4. The compound below that would give only one peak in a proton NMR spectrum is

a) butane
b) isobutane
c) cis-2-butene
d) trans-2-butene
* e) cyclobutane

5. Compared to visible light, infrared radiation has

a) higher frequency, longer wavelength
b) higher frequency, shorter wavelength
* c) lower frequency, longer wavelength
d) lower frequency, shorter wavelength