E2,241b,S05 - EXAM 2 CHEMISTRY 241b March 11, 2004 Dr....

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EXAM 2 CHEMISTRY 241b March 11, 2004 Dr. Spurgeon ANSWER KEY __________________________________________________________________________________________ 1. (18 points) Provide either the IUPAC name or structural formula for the following: a. c. 4-Methyl-3-penten-2-one d. e. (2 S ,3 R )-2,3,4-Trihydroxybutanal (take your time – you can do it!) f. Match the correct name and structure: OH OH b. 2-Phenyl-2-pentanol O COOH COOH Acrylic acid Phthalic acid Succinic acid HOOCCH 2 CH 2 COOH H 2 C=CHCOOH trans -1,3-cyclopentandiol or trans -cyclopentan-1,3-diol HO 6,6-Dimethyl-cyclohexa-2,4-dienone O O OH HO OH H
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2. (6 points) For the following groups of molecules circle the one that would have the lower pK a value. a. b. c. 3. (6 points) Provide the structural formulas for the acetal that would form from the following reactions: a. b. 4. (17 points) Provide the product , mechanisms (for both imine formation and the reaction shown), and answer the questions : CF 2 HCOOH or CF 3 COOH or CFH 2 COOH
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This note was uploaded on 04/02/2008 for the course CHEM 241b taught by Professor Spurgon during the Spring '05 term at University of Arizona- Tucson.

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E2,241b,S05 - EXAM 2 CHEMISTRY 241b March 11, 2004 Dr....

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