Chem316F07MT1a - Chem 316 Fall 2007 Page 1 of 5 Kantorowski...

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Chem 316 Fall 2007 Page 1 of 5 Kantorowski Exam I Key 4 October 2007 Name: ___________________________________________ This exam contains 5 pages of questions – confirm this once you begin . You will have 50 minutes An abbreviated Periodic Table can be found on the last page. No calculators or models are permitted. Read all questions carefully – answer the question that is asked! Illegible or indecipherable answers may not receive potential partial credit. Good luck! 1. (4 pts) Draw the Lewis structure for the compounds below. Be certain to show all lone pairs and formal charges . Your final structure must be in the box provided. a) CH 3 CHOHCH 2 CH(CH 3 ) 2 b) (CH 3 ) 3 CCHO C C C C H H H H OH C H H H H H H H H C C C H H C C O H H H H H H H 2. (10 pts) Provide reasonable resonance contributors for the following structures. O O N C O O O N C O O unimportant
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Chem 316 Fall 2007 Page 2 Initials________ 3. (4 pts) Consider the following acid-base reaction. a) Determine the K eq value and write it above the equilibrium arrows. Show your calculations for full credit. b) This reaction favors (circle): reactants products OH NH 2 + 16 11 OH 2 -2 NH + 33 p K a K eq = __________ 10 -13 4. (4 pts) Provide the IUPAC name or structure for each of the following compounds.
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