CHE201B - Exam 2 2003 Answer

CHE201B - Exam 2 2003 Answer - Organic Chemistry 201/203...

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Organic Chemistry 201/203 Second Hour Examination October 27, 2003 Name (Print in Capitals) _________________________________ Signature _________________________________ Student Identification _________________________________ Number Problem Points I (30 points) ___________ II (30 points) ___________ III (30 points) ___________ IV (30 points) ___________ V (30 points) ___________ Bonus (15 points) ___________ Total ___________
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2 PROBLEM I Write one example of each of the following (3 points each) (A) A cis -cycloalkene (B) A Z -alkene (C) A primary carbocation (D) A molecule with two chiral carbon atoms that is achiral (E) A substrate that shows strong steric hindrance to nucleophilic substitution by an S N 2 reaction mechanism Score - Problem I R CH 2 CH 3 CH 3 H OH H OH CH 3 CH 3 CH 3 Br
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3 (F) A hypothetical alkene that violates Bredt's rule (G) A tetrasubstituted alkene (H) A polar, protic solvent (I) A chiral molecule that has no chiral carbon atoms (J) A substrate that reacts mainly by the S N 2 reaction mechanism CH 3 CH 3 CH 3 CH 3 H 2 O I BrBr I CH 3 CH 2 I
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4 PROBLEM II (5 points each) (A) Circle the substituent that takes the highest priority when naming chiral carbon atoms
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This note was uploaded on 10/10/2010 for the course CHE 201 taught by Professor Bong during the Fall '08 term at SUNY Buffalo.

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CHE201B - Exam 2 2003 Answer - Organic Chemistry 201/203...

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