ACS Review 10 Conjugation in Alkadienes and Allylic Systems

ACS Review 10 - ACS Review Conjugation in Alkadienes and Allylic Systems 1 Identify the allylic halide(s A B C D 2 A B C D 3 only II I and II I and

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ACS Review Conjugation in Alkadienes and Allylic Systems 1. Identify the allylic halide(s). A. only II B. I and II C. I and IV D. I, III, and IV 2. How many vinylic hydrogens are there in 1-ethylcyclohexene? A. one B. two C. three D. four 3. Which of the following carbocations is the most stable? A. A B. B C. C D. D 4. What is(are) the expected product(s) of the following reaction? A. only II B. only III
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C. I and III D. II and IV 5. What is the IUPAC name of the following diene? A. 3-chloro-2,5-dimethyl-2,6-heptadiene B. 3-chloro-2,5-dimethyl-1,5-heptadiene C. 5-chloro-3,5-dimethyl-1,6-heptadiene D. 5-chloro-3,6-dimethyl-1,5-heptadiene 6. Which of the following are conjugated dienes? I. 1,2-octadiene II. 1,3-octadiene III. 2,5-octadiene IV. 1,7-octadiene A. only I B. only II C. I and II D. II and III 7. Chlorination of 14 C-labeled propene (H 2 14 C=CHCH 3 ) with Cl 2 at high temperature would give which of the following chloropropenes? A. only I B. only II C. I and II D. I and III 8. Which compound below has the lowest heat of hydrogenation? A. 1,5-hexadiene B. ( E )-1,4-hexadiene C. 3,4-hexadiene D. ( E , E )-2,4-hexadiene 9. What type or types of stereoisomers are possible for 3,4-heptadiene, shown below? CH 3 CH 2 CH=C=CHCH 2 CH 3 A. a pair of enantiomers B. two diastereomers, E and Z C. three diastereomers, ( E , E ), ( E , Z ), and ( Z , Z ) D. no stereoisomers are possible 10. Which of the following compounds most readily undergoes solvolysis with methanol?
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This note was uploaded on 12/17/2010 for the course CHEM 101 taught by Professor Silva during the Spring '08 term at Binghamton University.

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ACS Review 10 - ACS Review Conjugation in Alkadienes and Allylic Systems 1 Identify the allylic halide(s A B C D 2 A B C D 3 only II I and II I and

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