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11aExam-1_Key-1

11aExam-1_Key-1 - First Examination Chemistry 118A(B(Closed...

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Unformatted text preview: First Examination Chemistry 118A(B) October 27, 2010 (Closed book, no models) Name _______________ _Key__ ______________________ ( P l e a s e p r i n t ) L a s t First Middle initial Last 4 digits of Student’s ID Number:__________ Fall 2010 118A Exam 1 Page 2 of 4 Last 4 digits of ID_______ 1. (29 Pts) Write the name or draw the structure where appropriate for each of the following: a. (6 Pts) b. (6 Pts) c. (5 Pts) Br e. (4 Pts) Draw the most stable chair conformer for cis-1-sec-butyl-2-(2-chloroethyl)cyclohexane. f. (4 Pts) Draw the Newman projection for the least stable conformer of 1,2-dimethylcyclohexane looking down the C2-C1bond. Cl 3 pts 1 pt 1 pt 2 pts 1 pt 1 pt 2 pts 1 pt 1 pt 1 pt 2 pts for correct stereo CH 2 H CH 2 2 3 5 Ring H Br 5-bromo-6-butyl-4,5-dimethyldecane 7-(1-bromoethyl)-1-chloro-3,8,8-trimethylnonane 1 pt 1 pt 1 pt Cl 1-chloro-3-(3-ethyl-2-methylpentyl)cyclopentane 1 pt 2 pts 2 pts 7-(1-bromoethyl)-1-chloro-3,8,8-trimethylnonane 1 pt 1 pt 1 pt cis-5-ethyl-1,1,2-trimethylcyclohexane...
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11aExam-1_Key-1 - First Examination Chemistry 118A(B(Closed...

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