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Chem_261_S07_Exam_1-1

Chem_261_S07_Exam_1-1 - 1(8 points Name each of the...

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1. (8 points) Name each of the compounds below using IUPAC nomenclature. (a) (b) 2. (8 points) Draw structural formulas for: (a) cis -1-isopropyl-3-methylcyclobutane (b) 3-ethyl-2-methyl-4-propyloctane 3. (6 points) Draw structural formula for (a) a stereoisomer and (b) a constitutional isomer of trans -1,2-dimethylcyclopropane. 4. (10 points) Draw Lewis structures for compounds having the formula (a) C 3 H 6 BrClO (draw two different structures) (b) C 2 H 2 Cl 2 (c) C 2 H 4 O 2
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5. (8 points) Supply formal charges where appropriate on the structures below. S N CH 3 H 3 C CH 3 H 3 C C O CH 3 O 6. (5 points) On the template provided draw the more stable chair conformation of trans -1-ethyl- 2-methylcyclohexane. 7. (5 points) On the template provided draw the most stable conformation of pentane viewed down the C2 –C3 bond. 8. (5 points) On the template provided draw the more stable chair conformation of menthol. CH 3 OH CH(CH 3 ) 2 menthol
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9. (9 points) Specify the local electron geometry ( tetrahedral , square planar , trigonal planar ,
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