Practice Exam 2008 KEY

Practice Exam 2008 KEY - Chemistry 30C UCLA Spring 2008...

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Unformatted text preview: Chemistry 30C UCLA Spring 2008 Midterm Exam I KEY On my honor, I have neither given nor received any aid on this exam Signature: KEY Name: KEY UCLA Student I. D. Number: Question Points --------------------------------------- 1 (23) --------------------------------------- 2 (23) --------------------------------------- 3 (16) --------------------------------------- 4 (18) --------------------------------------- 5 (20) --------------------------------------- 6 Extra Credit (10) --------------------------------------- Total Chemistry 30C, Spring 2008 Name: KEY Page 1 CONCEPTS and THEORY 1. A. (6) Rank the reactivity of the following molecules towards nucleophiles. 1 = Most reactive . 6 = Least reactive Cl O O N H O O O O O O O 6 1 4 5 2 3 B. (6) Rank the basicity of the following molecules. 1 = Most basic . 6 = Least basic N H N H NH 2 NH 3 MeCN O 2 N NH 2 1 3 6 2 4 5 C. (6) What are the approximate pKas of the following compounds? HO OH O O O O NH NH 2 5 5 20 10 10 16 D. (5) Explain (words and drawings) why guanidine is the strongest neutral nitrogen base....
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This note was uploaded on 04/12/2011 for the course CHEMISTRY 30c taught by Professor Merlic during the Spring '11 term at UCLA.

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Practice Exam 2008 KEY - Chemistry 30C UCLA Spring 2008...

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