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Unformatted text preview: Chemistry 14C Winter 2011 Exam 1 Solutions Page 1 Statistics : High score, average and low score will be posted on the course web site after exam grading is complete. The exam is ready to be picked up when these numbers are posted. A note about exam keys : The answers presented here may be significantly longer than expected from a student taking the exam. An exam key serves not only to reveal what was expected, but to instruct you as well. To see the projected course grade cutoffs, consult the grading scale on the Chem 14C course web page. 1. C 21 H 27 ClN 2 O 2 2. Metabolism converts the alcohol of hydroxyzine into the carboxylic acid of cetirizine, but the benzene rings , ether , and amines are not changed. A halogen attached to a benzene ring is called an aryl halide . 3. δ- O–H δ + 4. One (the ring with the two amines.) 5. Cetirizine has 11 lone pairs and one stereocenter. 6. 110 o . The nitrogen atom has four attachments (don't forget the lone pair) and does not need a p orbital for...
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