Oct Midterm 2019 Solutions.doc - Chemistry 221 Midterm Examination October 8 2019 Name Lab Day Good morning Do all the questions on this paper

Oct Midterm 2019 Solutions.doc - Chemistry 221 Midterm...

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Chemistry 221 Midterm Examination October 8, 2019 Name:__________________________________ Lab Day:_________ Good morning! Do all the questions on this paper. Calculators are not required and may not be used. No cheat sheets may be used. Make your answers clear and if you change an answer, make sure I know what is to be marked, otherwise, I mark the first thing I come to. Budget your time according to the indicated value of the questions. Good luck. 1. Give the IUPAC name for the following structures.(4 points each) For this and the next question, review Sec. 3-3 in the text.
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2. Draw structures corresponding to the following names. (4 points each) (a) 2-cyclopentyloctane (b) 3,6-dimethyl-4-(2-propyl)octane (c) cis -1,3-propylcyclohexane (chair conformation) (d) hexylcyclohexane (e) tertiary-butyl-2,3-diisopropylcyclooctane
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3. Using the bromination of methane as your example, give the mechanism of free- radical halogenation of alkanes. Your answer should include the overall reaction, followed by all the individual steps, with names for the steps. (20 points) We do a lot of mechanisms in organic chemistry, so it’s important to become familiar with them, and understand what they show. A mechanism shows all the
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