310MFa09Exam3Answers

310MFa09Exam3Answers - Bocknack CH 310M/318M Fall 2009...

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The deadline to submit regrade requests (for Part II only) is : THURSDAY, DECEMBER 3 @ 3:00 p.m. To submit a regrade request for Part II, please follow the instructions provided in the “Regrade Policy” section of the course syllabus (Page 9). How to read this table : In the first three columns, you’ll find the question number, the maximum points possible, and the correct answer choice. The columns labeled “A” through “J” indicate the points awarded for the problem if this letter was the choice indicated on the answer sheet. Please check the Blackboard gradebook to see how you answered the Part I questions, and to check your raw score (out of 133 points possible) for Part I of the exam. Part I answer sheets will not be returned, and no regrades are possible on Part I of the exam!!! Question Max. Points Correct A B C D E F G H I J 1 2 A 2 0 0 0 0 0 0 0 0 0 2 3 E 0 0 0 0 3 0 0 0 0 0 3 3 H 0 0 0 0 0 0 0 3 0 0 4 3 F 0 0 0 0 0 3 0 0 0 0 5 3 D 0 0 0 3 0 0 1 0 0 0 6 3 G 0 0 0 1 0 0 3 0 0 0 7 3 J 0 0 1 0 0 0 0 0 0 3 8 3 G 0 0 0 0 0 0 3 0 0 0 9 3 H 0 0 0 0 0 0 0 3 1 0 10 3 J 0 0 1 0 0 0 0 0 0 3 11 3 A 3 0 0 0 0 0 0 0 0 0 12 3 F 0 0 0 0 1 3 0 0 0 0 13 3 B 0 3 0 0 0 0 0 0 0 0 14 4 E 0 0 0 0 4 0 0 0 0 0 The BDE of HBr was not given!!! 15 4 D 0 0 0 4 0 0 0 0 0 0 16 4 D 0 0 0 4 0 0 0 0 0 0 17 4 B or E 0 4 0 0 4 0 0 0 0 0 In each of these choices, the 1 st step is endothermic, and the 2 nd step is exothermic (which must be true since the carbocation rearrangement yields a more stable carbocation). 18 4 A 4 0 0 0 0 0 0 0 0 0 19 4 A 4 0 0 0 0 0 0 0 0 0 20 4 E 0 0 0 0 4 0 0 0 0 0 21 4 E 0 0 0 0 4 0 0 0 0 0 22 4 D 0 0 0 4 0 0 0 0 0 0 23 3 A 3 0 0 0 0 0 0 0 0 0 24 5 C 0 0 5 0 0 0 0 0 0 0 25 3 B 0 3 0 0 0 0 0 0 0 0 26 5 B 0 5 2 1 0 0 0 0 0 0 27 5 A 5 2 0 0 0 0 0 0 0 0 28 3 B 0 3 0 0 0 0 0 0 0 0 29 5 D 0 1 0 5 0 0 0 0 0 0 30 5 E 0 0 0 0 5 0 0 0 0 0 31 5 B 0 5 2 0 0 0 0 0 0 0 32 5 E 0 0 0 0 5 2 0 0 0 0 33 5 C 0 0 5 0 0 0 0 0 0 0 34 5 A 5 0 0 0 0 0 0 0 0 0 35 5 D 0 0 0 5 0 0 0 0 0 0 Bocknack CH 310M/318M – Fall 2009 MIDTERM EXAM #3 ANSWER KEY
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How to read this table : In the first three columns, you’ll find the question number, the maximum points possible, and the correct answer choice. The columns labeled “A” through “J” indicate the points awarded for the problem if this letter was the choice indicated on the answer sheet. Please check the Blackboard gradebook to see how you answered the Part I questions, and to check your raw score (out of 133 points possible) for Part I of the exam. Part I answer sheets will not be returned, and no regrades are possible on Part I of the exam!!! Question Max. Points Correct A B C D E F G H I J 1 2 B 0 2 0 0 0 0 0 0 0 0 2 3 E 0 0 0 0 3 0 0 0 0 0 3 3 J 1 0 0 0 0 0 0 0 0 3 4 3 C 0 0 3 1 0 0 0 0 0 0 5 3 I 0 0 0 0 0 0 0 0 3 0 6 3 F 0 0 0 0 0 3 0 0 0 0 7 3 G 0 0 0 0 0 0 3 1 0 0 8 3 A 3 0 0 0 1 0 0 0 0 0 9 3 I 0 0 0 0 0 0 0 0 3 0 10 3 B 0 3 0 0 0 0 0 0 0 0 11 3 C 0 0 3 0 0 0 0 0 0 0 12 3 J 0 0 0 0 0 0 0 1 0 3 13 3 E 1 0 0 0 3 0 0 0 0 0 14 4 E 0 0 0 0 4 0 0 0 0 0 The BDE of HBr was not given!!! 15 4 C 0 0 4 0 0 0 0 0 0 0 16 4 C 0 0 4 0 0 0 0 0 0 0 17 4 A or F 4 0 0 0 0 4 0 0 0 0 In each of these choices, the 1 st step is endothermic, and the 2 nd step is exothermic (which must be true since the carbocation rearrangement yields a more stable carbocation). 18 4 C 0 0 4 0 0 0 0 0 0 0 19 4 A 4 0 0 0 0 0 0 0 0 0 20 4 D 0 0 0 4 0 0 0 0 0 0 21 3 A 3 0 0 0 0 0 0 0 0 0 22 4 E 0 0 0 0 4 0 0 0 0 0 23 4 E 0 0 0 0 4 0 0 0 0 0 24 5 B 0 5 0 0 0 0 0 0 0 0 25 3 B 0 3 0 0 0 0 0 0 0 0 26 5 C 0 2 5 1 0 0 0 0 0 0 27 5 D 0 0 2 5 0 0 0 0 0 0 28 3 A 3 0 0 0 0 0 0 0 0 0 29 5 B 0 5 0 1 0 0 0 0 0 0 30 5 D 0 0 0 5 0 0 0 0 0 0 31 5 C 0 2 5 0 0 0 0 0 0 0 32 5 C 2 0 5 0 0 0 0 0 0 0 33 5 A 5 0 0 0 0 0 0 0 0 0 34 5 D 0 0 0 5 0 0 0 0 0 0 35 5 A 5 0 0 0 0 0 0 0 0 0
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UTEID: Midterm Exam #3 Answer Key 2 Part II answers written in pencil ARE NOT eligible for regrades!! If you choose to use a pen, only black
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310MFa09Exam3Answers - Bocknack CH 310M/318M Fall 2009...

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