Practice final

Practice final - CHEM 281 Prectice for Final Exam Spring...

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CHEM 281 – Prectice for Final Exam Spring semester – XXXX Instructor: Dr. Peggy Paduraru Student Signature Please , READ THE QUESTIONS COMPLETELY AND CAREFULLY Clearly mark the answers in the multiple choice sets: or ± Your exam consists of 12 printed pages including this one. The final page of this exam includes a bonus question and you are permitted to use molecular models. Question 1 (18) 2 (16) 3 (4) 4 (10) 5 (19) 6 (3) 7 (12) 8 (8) 9 (10) 10 (5) - BONUS Total (100) Mark 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Total
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CHEM 281 Page 2 1. Clearly indicate the right answer for the following multiple choice questions (A to I). ( 2 marks each ) A. What is the activation energy for the reaction B ? A in the following diagram? B. Which one of the following alkyl halides undergoes E1 reactions with the fastest rate? CH 3 CHCH 3 F CH 3 CHCH 3 Cl CH 3 CHCH 3 Br CH 3 CHCH 3 I CH 3 I C. Which of the following is the best method for preparing CH 3 Br? CH 3 OH + Br CH 3 OH + HBr CH 3 OH + Br 2 CH 3 OH + NaBr CH 3 OH + Br + D. Which of the following is the most stable cation? H 3 CC CH 2 C CH 3 CH 3 H 3 C CH 3 C CH 3 CH 3 E. What is the name of the major organic product of the following reaction? CH 2 =CHC(CH 3 ) 3 H + , H 2 O 3,3-dimethyl-1-butanol 3,3-dimethyl-2-butanol 2,3-dimethyl-2-butanol 2,3-dimethyl-1-butanol 4-methyl-2-pentanol F. Which of the following is not a nucleophile? Br
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This note was uploaded on 11/13/2011 for the course CHEM 281 taught by Professor Williams during the Spring '11 term at Simon Fraser.

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Practice final - CHEM 281 Prectice for Final Exam Spring...

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