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Organic Chemistry I |
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Professor Carl C. Wamser |
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Chapter 8 Pre-Quiz |
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Your answers must be submitted before 8:30 am, Wed., Nov. 16
1. Early work on the SN1 and SN2 mechanisms was done by Hughes and Ingold in the
a. 19th century
* b. 1920's
* c. 1930's
d. 1940's
2. The most reactive compound below in an SN1 mechanism would be
a. methyl iodide
b. ethyl iodide
c. isobutyl iodide
d. sec-butyl iodide
* e. tert-butyl iodide
3. Tosylate (p-toluenesulfonate) as a leaving group is
* a. better than all the halides
b. not as good as iodide but better than bromide
c. not as good as iodide or bromide
4. If (R)-2-butanol followed an SN2 mechanism with HBr, the product expected would be
a. a mixture of 2-butenes
b. racemic 2-bromobutane
c. (R)-2-bromobutane
* d. (S)-2-bromobutane
5. The best nucleophile in the list below is
a. water
b. ammonia
c. hydroxide
* d. iodide
e. cyanide