exam 1 key - Chem. 318N, Spring 2009, Prof. Krische Midterm...

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Chem. 318N, Spring 2009, Prof. Krische Midterm Exam 1 Problem 1. (8 points) 2. (12 points) 3. (24 points) 4. (20 points) 5. (15 points) 6. (21 points) Total Points: /100 Exam 1 Avg. St. Dev. Grade Score % 71 17 A+ 100 - 95 A 95 - 85 A- 84 - 80 B+ 79 - 77 B 76 - 73 B- 72 -70 C+ 69 - 67 C 66 - 63 C- 62 - 60 D+ 59 - 57 D 56 - 53 D- 53 - 50 F 49 - 0
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1. (8 points) For the following pairs of compounds, circle the compound that is more susceptible to hydration. O CH 3 H 3 C H H O O H 3 C H O O O A. B. C. D. O O O H 3 CC H 3 Cl 3 CH
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2. (12 points) For the following pairs of compounds, circle the compound that is more acidic and draw the major resonance form of the anion that results upon deprotonation in the box. CH 3 O H 3 CO CH 3 O H H O NH O O A. B. C. D. (H 3 C) 2 N CH 3 O H CH 3 O H 3 C CH 3 O O H 3 C CH 3 O O H 3 C H 3 CO CH 2 O H CH 2 O O N
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3. (24 points) Draw the major product expected when the indicated starting materials are subjected to the following reaction conditions. O H Catalytic Acetic Acid Benzene, Dean-Stark Trap HONH 2 S S H Then Ethylene Oxide Then H 2 O n -BuLi, Et 2 O, 0 o C O A.
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This note was uploaded on 03/31/2009 for the course CH 318N taught by Professor Willson during the Spring '08 term at University of Texas at Austin.

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exam 1 key - Chem. 318N, Spring 2009, Prof. Krische Midterm...

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