Chapter 10 - Chapter 10 Conjugation in Alkadienes and...

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Chapter 10 Conjugation in Alkadienes and Allylic Systems Student: ___________________________________________________________________________ 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
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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 C. I and III D. II and IV
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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
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9. What type or types of stereoisomers are possible for 3,4-heptadiene, shown below? CH
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This note was uploaded on 09/14/2010 for the course CHE Chem 232 taught by Professor Clement during the Summer '10 term at CUNY Lehman.

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Chapter 10 - Chapter 10 Conjugation in Alkadienes and...

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