Q1_Key - Organic Chemistry I ...

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Unformatted text preview: Organic Chemistry I ________________________________________ Berkeley Extension EDP#401620 Name September 12, 2011 Quiz 1 (25 points) Make your answer obvious and show work wherever possible. 1. a. Draw a three-dimensional representation of methane (lines, wedges, and dashes). (4 points) H H H H b. What is the H ­C ­H bond angle in methane? (3 points) ~109° c. What is the orbital hybridization of the carbon in methane? (3 points) sp3 2. Now consider the methyl cation, CH3+. a. Draw the Lewis structure for the methyl cation. (4 points) H H H b. What is the orbital hybridization of the carbon in the methyl cation? (3 points) sp2 c. What is the H ­C ­H bond angle in the methyl cation? (3 points) 120° 3. What is the major organic product obtained from the following reaction? (2 pt) #3 via intermediate 4. What is the approximate pKa value of ethanol? (1 pt) a . -5 b. 5 c. 16 d. 25 5. What is (are) the major organic product(s) obtained from the following reaction? (2 pts) a. only 1 b. only 2 c. only 3 d. only 2 and 3 Catalytic hydrogenation proceeds via syn addition ...
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