Exam 2 answers - Orgo II

Exam 2 answers - Orgo II - CHEM 262 Organic Chemistry II...

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CHEM 262 Organic Chemistry II (Spring 2008) Instructor: Professor Wei You Exam 2 March 3, 2008 This is a closed book exam. You may not have anything on your desk except for pens, pencils and the exam. Don’t start until you are told to do so. This exam is governed by the UNC Honor Code. All answers should be written on the test paper. The back sides of pages may be utilized. Exam Duration: The test is designed to be taken in 75 minutes. Maximum score: 100 points Name: ___________________________ PID: ____________________________ Seat No.:_________________________ 1
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1. Multiple Choices (2 pts each, total 40 pts) All: a c d b d, b b b d c, d c d a b, a d a a a (1). What is the IUPAC name of the following compound? O OH Ph a. 4-methyl-3-phenyl-3-pentenoic acid b. 4,4-dimethyl-3-phenyl-3-butenoic acid c. 3-phenyl-2-methyl-2-penten-5-oic acid d. ( Z )-3-methyl-2-phenyl-2-butenoic acid ANS: a (2). What is the IUPAC name of the following compound? Ph O N(CH 3 ) 3 a. dimethylamino-3-phenylpropanoic acid b. N , N -dimethyl 2-phenylethyl amide c. N , N -dimethyl 3-phenylpropanamide d. dimethyl 2-phenylpropanoylamine ANS: c (3). What of the following is the correct assignment of the classes of the following compounds? 12 3 O O O O OO N H O a. 1 = lactone; 2 = ester; 3 = amide b. 1 = ester; 2 = ester; 3 = imide c. 1 = ester; 2 = imide; 3 = amide d. 1 = lactone; 2 = anhydride; 3 = imide ANS: d (4). Which of the following is the correct order of decreasing acid strength (more acidic > less acidic)?
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This note was uploaded on 03/31/2008 for the course CHEM 262 taught by Professor Forbes during the Spring '08 term at UNC.

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Exam 2 answers - Orgo II - CHEM 262 Organic Chemistry II...

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