Organic Chemistry II |
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Professor Carl C. Wamser |
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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