Quiz 1 - Name _________________________________ Lab TA

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1. (4 pts) Complete the following drawings by adding the necessary double bonds, charges, and/or lone pair electrons so that each depicts an aromatic molecule. Then draw one additional resonance structure for each compound. Note that there may be more than one additional resonance structure, but you need only draw one additional. 3. (6 pts) Write a common or substitutive name for each of the structures shown in parts a. - c. a. b. c. CO 2 H Cl Cl CH 3 H 3 C OH 2. (2 pts) Draw a second resonance structure for each molecule. In each case the second structure should be a more important contributor to the overall resonance hybrid than the first. Use curved arrow formalism to track electron flow. a. b. MCMP 205 Friday, January 23, 2009 20 pts
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Unformatted text preview: Name _________________________________ Lab TA ________________________________ Lab Period (Day & Time) ___________________ Quiz 1 a. b. O O C CH 2 H 3 C O O C CH 2 H 3 C 1,3-dimethylbenzene or m-xylene 2,5-dichlorobenzoic acid 3-methyl-3-phenyl-1-butanol 4. (8 pts) Methoxybenzene reactions with carbon monoxide in the presence of HF and SbF 5 to give p-methoxybenzaldehyde . Write a stepwise mechanism for the electrophilic subsitution reaction (shown below). Use curved arrow formalism and show all important resonance structures. CH 3 O CH 3 O Name ______________________________ HF, SbF 5 2 O C O H HF + Sb F 5 H SbF 6 H H H H H OCH 3 H OCH 3 OCH 3 OCH 3 OCH 3 OCH 3 OCH 3 O C H SbF 6 O HC O HC O HC O H O H O H O H O H CHO O C O HC Step 1 Step 2 Step 3...
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This note was uploaded on 03/30/2011 for the course MCMP 205 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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Quiz 1 - Name _________________________________ Lab TA

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