Exam 2 09 Blank - CIIEMISTRY 225 TEST#2 MAY 29,2009 NAME...

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Unformatted text preview: CIIEMISTRY 225 TEST #2 MAY 29,2009 NAME 3. (23) GOOD LUCK! 4. _ (13) Atomicnumbers: H: 1, C:6,N:7, O:8, S = 16, Cl:17, Br:35 TOTAL (75) l. (12 Points) STRUCTURAL ISOMERISM. a.(-/6)Considerthecyclichydrocarbon(compoundA)below. CHzCHe CHzCHs compound A cyclic structural isomer acyclic structural isomer o (2) Provide the IUPAC name for compound A. o (4) Write structures for a cyclic and acyclic isomer of compound A. b.(_i6) o (5) Write structural formulas for all monobromo- derivatives of compound A. CsHlTBr isomers o (1) Circle the structure above that would be classified as a vinylic halide. I 2. (t7 Points) ROTATIONAL ISOMERISM AND STRUCTURAL FORMULAS. a. ( -/ 8) Consider the Newman projection below for compound B. o (l) Directly on the original Newman projection identify two groups that are gauche to each other. o (4) Write Newman projections for two additional staggered conformations of this compound. o (3) Circle the least stable conformation and btiefly defend your choice. b.(-/9) r (2) Write a condensed structural formula for compound B. r (3) Complete the "wedge and dot" representation for compound B. o (2) Directly on the wedge and dot structure:-highlight the bond about which rotation is being depicted in the Newman projection....
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Exam 2 09 Blank - CIIEMISTRY 225 TEST#2 MAY 29,2009 NAME...

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