351 E3p mc

351 E3p mc - 351 F09 E3p 1. What is the slow,...

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351 F09 E3p 1. What is the slow, rate-determining step, in the acid-catalyzed dehydration of 2-methyl-2-propanol? A. Protonation of the alcohol to form an oxonium ion. B. Loss of water from the oxonium ion to form a carbocation. C. Loss of a b-hydrogen from the carbocation to form an alkene. D. The simultaneous loss of a b-hydrogen and water from the oxonium ion. 2. Which of the following sets of conditions most favors the E1 mechanism? A. When the alkyl halide is tertiary and the base is a weak base. B. When the alkyl halide is tertiary and the base is a strong base. C. When the alkyl halide is primary or secondary and the base is a weak base. D. When the alkyl halide is primary or secondary and the base is a strong base. 3. What are the products of the following reaction? A. 1-bromobutane and water B. 1-bromobutane and hydrogen C. butane and HOBr D. CH 3 CH 2 CH 2 CH 2 OBr + hydrogen 4. Which of the following compounds gives 4,4-dimethylcyclohexene as the exclusive E2 product. A. A B. B C. C D. both A and B 5. How would you synthesize the following compound? A) (1) (S)-2-butanol + TsCl
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This note was uploaded on 12/09/2009 for the course CHEM 351 taught by Professor Staff during the Spring '08 term at BYU.

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351 E3p mc - 351 F09 E3p 1. What is the slow,...

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