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CHM2210F11EXIIIV3 - Panther NAME FLORIDA INTERNATIONAL...

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Panther #: NAME: FLORIDA INTERNATIONAL UNIVERSITY Department of Chemistry & Biochemistry CHM 2210-U01, U02 – ORGANIC CHEMISTRY I Fall 2011 Dr. Keller, Dr. Landrum EXAM III (V3)
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CHM 2210-U01U02, Fall 2011 Exam III (V3), Page 2
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CHM 2210-U01U02, Fall 2011 Exam III (V3), Page 3 MULTIPLE CHOICE QUESTIONS: Choose the best answer to each question and bubble it in on the Scantron answer sheet. Marks on the test pages will NOT be graded. 1. Which is NOT a polar aprotic solvent? CH 3 C CH 3 O CH 3 S CH 3 O CH 3 CH OH CH 3 H C N O CH 3 CH 3 CH 3 C N a. b. c. d. e. 2. They methyl groups in cis -1,2-dimethyl- cyclohexane will occupy what positions in the most stable conformation? 3. The preferred conformation of trans -1- t -butyl-3-methylcyclohexane is the one in which: 4. Ring strain can result from which of the following: 5. Which of the following molecules is achiral? CO 2 H H OH OH HO 2 C H CO 2 H H OH CO 2 H HO H CH 3 F Br H a. b. c. d. OH OH a. I b. II c. III d. IV e. More than one is achiral 6. Which isomer of C 5 H 10 would you expect to have the smallest heat of combustion?
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CHM 2210-U01U02, Fall 2011 Exam III (V3), Page 4 7. In the Fischer projection below determine the correct R/S designation for each chirality center [going from top (1) to bottom (3)]. CO 2 H HO H H OH CH 3 HO H 1 2 3 1 2 3 8. Which of the following is true?
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