Chem 261 Exam I Redo assessment Feb 22 KEY

Chem 261 Exam I Redo assessment Feb 22 KEY - Chemistry 261,...

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Chemistry 261, Section 1 Name(print) Thursday, February 21 KEY EXAM I REDO… for your self-assessment… KEY COMING THIS WEEKEND I. Nomenclature. -5-(2-methylethyl)- or (2 pts each; 10 total) -5-sec -propyl or (-1 pt for each incorrect item) A. E-8-chloro-5-isopropylnon-3-ene Cl B. 2,3,4,5-tetramethylhexane C. 1-chloro-3,3-diethyl-4,4-dimethylcyclohex-1-ene Cl D. trans -1-tert -butyl-4-(1-methylpropyl)-cyclohexane (do not draw as chair) E. E -2-chloro-3-isobutyl-oct-2-ene Cl
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II. Give the stereochemical relationship between each pair of structures below. Use ONLY the terms: identical, geometric isomers, enantiomers, diastereomers, or structural isomers. READ CHOICES AGAIN. (3 pt ea; 15 total) A. identical Cl H Cl H H Cl Cl H H Cl H Cl Cl H H Cl B. diastereomer OH H CH 3 H 3 C H HO H HO CH 3 CH 3 OH H C. diastereomer CH HO H H OH CH 3 H OH O CH 3 HO H H OH CH H OH O D. structural isomer H HO H COH O OH H HOC O H Cl Cl E. enantiomer Cl Cl Cl Cl
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(3 pts ea; 15 total) A. OH OH B. CH CHCH 3 O C. D. 1,3,5-hexatriene E. Cl F (think!) 3 16 4 2 32 IV. For the following structures, give the absolute configuration (R or S) for the designated carbon: (2 pts ea; 12 total) CH 3 Cl
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This note was uploaded on 03/19/2008 for the course CHEM 261 taught by Professor Austell during the Spring '08 term at UNC.

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Chem 261 Exam I Redo assessment Feb 22 KEY - Chemistry 261,...

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