EXAM 4 Practice

EXAM 4 Practice - TEST 1. What is the major organic product...

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Unformatted text preview: TEST 1. What is the major organic product obtained from the following reaction Br 2 light Br Br Br Br 1 2 3 4 a. 1 b. 2 c. 3 d. 4 2. Which of the following alkenes undergoes allylic bromination to form a single monobrominated product? a. Cyclohexene b. 2-methyl-2-butene c. 1-pentene d. 2-pentene 3. The reaction of 1-bromopropane with sodium iodide gives 1-iodopropane. What is the effect of doubling the concentration of NaI on the rate of the reaction? a. The rate remains the same b. The rate decreases by a factor of 2 c. The rate increases by a factor of 2 d. The rate increases by a factor of 4 4. What is the major organic product obtained from the following reaction? Br KOtBu tBuOH OtBu Br OtBu OtBu 1 2 3 4 5. What is the major organic product obtained from the following reaction? NaOCH 3 CH 3 OH OCH 3 Br OCH 3 1 2 3 4 a. 1 b. 2 c. 3 d. 4 6. Which of the following solvents is the best choice for the reaction of 1-chlorohexane with sodium bromide? a. N-N-dimethylformamide b. Hexane c. Water d. Toluene (PhCH 3 ) 7. What is the major product obtained from the following reaction? Cl NaOMe MeOH OMe 1 2 3 4 8. Which of the following alkyl bromides reacts the slowest with NaSCH 3 in DMF? a. 1-bromo-2-methylbutane b. 1-bromo-3-methylbutane c. 1-bromobutane d. methyl bromide (CH 3 Br) 9. Which of the following is most likely to undergo rearrangement during the reaction with methanol? Br Br Br Br 1 2 3 4 10. Which of the following is true regarding the reaction of tert-butyl bromide with water? a. The rate is proportionial to the concentration of t-butyl bromide b. The rate is proportional to the concentration of water c. The rate is independent of the identity of the solvent d. The rate of the reaction is independent of temperature 11. Which of the following represents the transition state of the rate-determining step in the S N 1 reaction between tert-butyl chloride and water?...
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This homework help was uploaded on 04/20/2008 for the course CHEM 231 taught by Professor Montaguesmith during the Spring '06 term at Maryland.

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EXAM 4 Practice - TEST 1. What is the major organic product...

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