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Unformatted text preview: Name:______________________________ Last, First (PLEASE PRINT CLEARLY ) 1 CHEMISTRY 8A Spring 2009 Quiz 2 May 6, 2009 Professor Sheila S. David 1. ( 8 points) 2. ( 10 points) 3. ( 10 points) 4. ( 20 points) 5. ( 8 points) 6. ( 8 points) 7. ( 6 points) 8. (6 points) 9. ( 6 points) 10. ( 8 points) 11. ( 6 points) 12. ( 4 points) Total ( 100 points) Extra Credit ( 5 points) For students to read at exam time: Closed book and notes. You may use a calculator. Please read exam carefully. Partial credit may be awarded if you show your work. For students to read after exam is returned: If you have any problems with the grading of a question, return your exam to Dr. David by May 18 a note attached indicating which problems should be regarded and a brief explanation. Do not approach the teaching assistants directly about regrades. The TAs and the professor will sit down together to do all re-grades at one time. Tests will not be regarded after May 18. Student ID Number: _____________________________ ID Check Name:______________________________ Last, First (PLEASE PRINT CLEARLY ) 2 1. (2 points each) Appetizers (put letter answer in box at the right). i) Which of the following statements is not true about benzene: A. Each of the six carbons in benzene is sp 2 hybridized B. There are six Π electrons that are shared by all six carbons C. The most stable conformation of benzene is the chair conformation D. A p orbital on each carbon is involved in making the delocalized Π bond ii) Hipposuduric acid, which is found in hippo sweat, is a red compound. The origin of the red color of the molecules is due to its: O O HO 2 C CO 2 H O HO Hipposuduric acid...
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