sbro-o1m7-ans - CHE 321 Exam 2 Form 0 page 1 The first 12...

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CHE 321 Exam 2 Form 0 page 1 The first 12 questions are 5 point multiple choice questions and should be answered by filling in the appropriate bubble for each question. Questions 13-16 are 10 point short answer questions and should be answered in the space provided on the front and back of the answer form. Infrared Absorption Frequencies 1 H-NMR Chemical Shifts
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CHE 321 Exam 2 Form 0 page 2 Multiple Choice Questions. 60 points 1. Choose the correct order of acidity for the following compounds (most acidic on right). A. 3<1<2 B. 1<3<2 C. 2<3 <1 D. 3<2<1 E. 1<2<3 O C CH 3 OH 1 O C CF 3 OH 2 O C CH 3 NH 2 3 2. The pK a values of aspartic acid, a naturally occurring amino acid are shown to the right. Choose from below, the structure of the major species present at a pH of 7.2. NH 3 CH C CH 2 OH O C HO O NH 3 CH C CH 2 O O C HO O NH 3 CH C CH 2 O O C O O NH 2 CH C CH 2 O O C O O NH 2 CH C CH 2 OH O C HO O A. B. C. D. E. 3. Choose the incorrect statement about the following catalytic hydrogenation. CH 3 CH 3 H 2 -Pd/C CH 3 CH 3 H H CH 3 H H CH 3 + major minor (A) The syn addition of hydrogen gives the cis isomer as the major product. (B) The minor product occurs as the result of a catalyzed isomerization of the reactant. . (C) The catalyst (Pd/C) speeds up the reaction by stabilizing the major product of the reaction. (D) The minor trans isomer is actually present as a racemic mixture.
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This note was uploaded on 09/30/2011 for the course CH 310n taught by Professor Iverson during the Spring '08 term at University of Texas at Austin.

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sbro-o1m7-ans - CHE 321 Exam 2 Form 0 page 1 The first 12...

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