CHE201B - Exam 2 2008

CHE201B - Exam 2 2008 - Organic Chemistry 201/203 Second...

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Organic Chemistry 201/203 Second Hour Examination October 31, 2008 Name (Print) _________________________________ Signature _________________________________ Student Identification _________________________________ Number Problem Total Possible Score Earned Score I (30) ___________ II (30) ___________ III (30) ___________ IV (30) ___________ V (30) ___________ Total (150) ___________
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2 PROBLEM I Write one example of each of the following (3 points each). (A) A cis -cycloalkene (B) A trans -cycloalkene (C) A secondary alkyl halide (D) A primary carbocation (E) An alkyl bromide that shows strong steric hindrance to bimolecular nucleophilic substitution. Score - Problem I R Cl R H R C H H R Br R R
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3 (F) A tetrasubsituted alkene. (G) A polar protic solvent – show the chemical structure (H) A vicinal dibromide. (I) A chiral molecule that has no chiral carbon atoms (J) A bulky base that will show steric hindrance to nucleophilic substitution. R
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CHE201B - Exam 2 2008 - Organic Chemistry 201/203 Second...

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