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fall05org1e2 - Fall 05 Exam 2 Chapters 5-8 100points Name...

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Fall 05 Exam 2 Chapters 5-8 100points Name If you do not want your graded exam placed in the box outside my office, then please tick here Answer all the questions. 1) (6pts) Draw the corresponding cations that these two molecules would form upon ionization. 2) (4pts) Assign (R) or (S) to all the chiral centers in the following molecules. Cl F C 3 OH CO 2 H Br Br Cl H CF 3 (a) (b) H 3) (12pts) Name these compounds in IUPAC form. Cl Br Fall05org1exam2 - 1 -
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4) (12pts) Identify these pairs of compounds as either same , or enantiomers . Br F H F F Br F H H H Br F F B H H H F H F H CF 3 H F H F F 3 C H (a) (b) (c) (d) H F 3 C CF 3 H r 5) olecules, circle the one which will undergo S N 1 type reactions the quickest. (10pts) For each pair of m (a) (b) F (c) I CH 2 I (d) OH OH Cl Br Br Br Br (e) Fall05org1exam2 - 2 -
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6) (8pts) Write a mechanism (i.e. curly arrows) for this E1 elimination. K +- OH, CH 3 OH Br 7) (10pts) Draw and label an Energy Level Diagram for a typical S N 2 process. Fall05org1exam2 - 3 -
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8) (10pts) Match ( i.e. draw a line from ) the reagent to the most accurate description of its transformation to an alkene π bond. Reagents Transformation
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