2007 Final Key

2007 Final Key - Name_KEY_ ID # _ Organic Chemistry 2301...

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Name__________________KEY__________________ Chem 2301, Spring 2007, Final Exam, Page 1 ID # ____________________________________ Organic Chemistry 2301 Spring 2007 Final EXAM 350 Points 17 Pages including tables 1) 20 points __________________ 2) 30 points __________________ 3) 30 points __________________ 4) 30 points __________________ 5) 30 points __________________ 6) 30 points __________________ 7) 30 points __________________ 8) 45 points __________________ 9) 45 points __________________ 10) 30 points __________________ 11) 30 points __________________ Total 350 points __________________ Average 207 SD 73 High 344 Number 196
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Name__________________KEY__________________ Chem 2301, Spring 2007, Final Exam, Page 2 1) (20 points) Draw a Lewis dot structure for each of the following molecules; show all lone pairs. Indicate the hybridization at all atoms except hydrogen, chlorine, and fluorine. (a) CH 3 OH H C H H O H sp 3 sp 3 (b) CH 3 CCCH 2 COCH 3 H C H H C C C H H C O C H H H sp 3 sp 3 sp 3 sp 2 sp 2 sp 2) (30 points) Give resonance structures (no dipolar forms) for the following compounds. H O H 3 C C H C N (a) (b) (c) H 3 C C H C N H O H O H H
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Name__________________KEY__________________ Chem 2301, Spring 2007, Final Exam, Page 3 3) (30 points) The structure of Methoprene and an isomer of this compound are shown below. Methoprene is used to kill mosquitos in marshy areas. Recently, it has been proposed that some degradation products of Methoprene are responsible for causing the deformities in frogs that are being observed in lakes in Minnesota. O O O O O O Methoprene Degradation product of Methoprene (a) What is the molecular formula of Methoprene? C 19 H 34 O 3 (b) Identify the functional groups indicated by the arrows. O O O Ether Alkene Ester (c) Should the double bond in Methoprene indicated by the arrow be designated E or Z ? O
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This note was uploaded on 11/30/2010 for the course CHEM 2301 taught by Professor Gao during the Spring '07 term at Minnesota.

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2007 Final Key - Name_KEY_ ID # _ Organic Chemistry 2301...

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