Problem Set IV Key - Chapter 3 Name 2 Z Chem 343 Spring...

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Unformatted text preview: Chapter 3 Name: 2,,\ Z - Chem 343 . Spring 2010 Discussion Section: Problem Set IV Disscussion TA: I. "For each of the following questions or statements circle the letter corresponding to the correct answer. 1. ' The IUPAC name for is: A) 6-Ethyl—3,4—dimethylheptane B 2-Ethyl-4,5-dimethylheptane @3,4,6—Trimethyloctane ) 3,5,6—Trimethyloctane - E) 2-(1—Methylpropyl)—4-methylhexane 2. A correct IUPAC name for the following compound is: OH Cl A) 4—propy1-5-chloro-3-heptanol B) 4-propyl-3-chloro-5-heptanol C) 4-(1-chloropropyl)—3-heptanol @ 5-chloro-4-propyl-3-heptanol E) I3-hydroxy-4—propyl-5~chloroheptane 3. A correct IUPAC name for the following compound is: Br / A). 3,6,7-trimethyl-4—bromo-l-octene B 4-bromo-3-methyl—6-isopropy1—1-heptene , @ 4—bromo—3,6,7-tn"methyl-1-octene ' 7 D) 4—bromo~6Jisopr6pyl-31methyl-liheptene’ E) V 4-bromo-6-isopropyl-3,6-dimethyl-1~hexene Page 1 I Chapter 3 4. The least stable conformation of Butane is: H H H - H3C H HHACEE H3C H H H I H III ‘ H CH3 H CH3 H CH3 H CH3 H H H H IV ' V A I @H C) III D) IV E) V II. For each of the following alkanes shown as a sawhorse projection, draw the corresponding Newman projection. (StjlaFMj Jaw-HA {/14 CLjf—3 AanV/s) H. Page 2 i IIIX Chapter 3 For the following two stereoisomers of formula Cngg, draw each one in its most stable (lowest energy) conformation using a Newman projection looking down the C3-C4 bond ‘ axis. Circle (the original structure) of the more stable isomer of the two. k 6V3“ Jr \» E W’- ' E” [Jr H roLaLe E*\ H M€\ / Me 5% Page 3 ...
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