exam1summer07 - Chemistry 51 Exam 1, Summer 2007 This is a...

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Summer 2007, Chemistry 51, Organic 1, Brooklyn College, CUNY Chemistry 51 Exam 1, Summer 2007 This is a closed book exam. The exam lasts 50 minutes. All answers must appear on the answer sheet. Only the answer sheet will be collected . Put your name on the answer sheet now. When the exam is over you must hand your answer sheet in promptly or a penalty may be assessed. Each question is worth 8 points but 0 is worth 4 pts. 1. Name the following compound. Use the IUPAC system and include configurational (R,S) designations. F CH 2 CH 2 CO 2 H OH CH 2 CHO H OHC 2. Compound A (optically pure) and Compound B (optically pure) have the following properties. Optically Pure A Optically Pure B Specific rotation 40. 100 Vapor pressure at 100 deg C 500 torr 300 torr density 0.95 g/mL 1.1 g/mL A mixture of A and B has a specific rotation of 50 degrees. What fraction of the mixture is compound A? 3. Nitromethane, CH 3 NO 2 , is a much stronger acid than is methane. Offer an explanation for the relative acidities.
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This note was uploaded on 09/24/2009 for the course CHEMISTRY 239 taught by Professor Higgins during the Spring '09 term at SUNY Stony Brook.

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exam1summer07 - Chemistry 51 Exam 1, Summer 2007 This is a...

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