exam1summer03 - Chemistry 51 - Summer 2003 Exam 1 This is a...

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Chemistry 51 - Summer 2003 Exam 1 This is a closed book exam. Answers must appear on the answer sheet. Only the answer sheet will be collected. Write your name on the answer sheet now. Name the following compounds giving the R, S designation of chiral carbons. 1. 2. CH 3 HO CH 2 CHO CH 3 OH H 3 C H CO 2 H CH 2 CH(OH)CH 3 CH 2 CH(OH)CH 3 H CO 2 H 3. Using the template on the right below draw the most stable conformation of the meso stereoisomer of the compound on the left below. The heavy line indicates the C-C bond shown explicitly in the template. 2,2,3,4,5,5-Hexamethyl-hexane CH 3 H C(CH 3 ) 3 template for answer 4. An unknown compound, X , has the formula C 6 H 10. a) What does the formula tell you about the structure of the compound? X reacts with excess hydrogen gas on a 1:1 molar ratio yielding compound(s) of the formula C 6 H 12 ? b) What can you conclude about the structure of the X? Upon careful distillation the product of the hydrogenation is found to yield two fractions, each containing only a single, optically inactive compound.
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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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exam1summer03 - Chemistry 51 - Summer 2003 Exam 1 This is a...

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