exam%203%2008Apr19

exam%203%2008Apr19 - Name_ Spring 2008, 4:122 Exam 3 page 1...

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Name_____________________________________ Spring 2008, 4:122 Exam 3 page 1 of 4 1) Select the highlighted protons in the indicated order. [1 pt each correct answer; 6 pts total] a) increasing order of acidity ____ < ____ < ____ b) increasing order of acidity ____ < ____ < ____ ____________ 2) Select the reagents that will be deprotonated to a large extent (> 90%) by CH 3 CH 2 O - (ethoxide). More than one letter may be chosen [3 pts total] reagent pKa A H 3 CCH 2 C N 48 B H 3 CC H 2 C N 25 C N CC H 2 C N 11 D H OCH 2 CH 2 C N 14 E H O 2 CCH 2 CH 2 C N 5 G CH 3 CH 2 O H 16 3) Identify key spectroscopic features that would establish a difference between the two structures. [2 pts each box] structures infrared H-NMR 13 C-NMR
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Name_____________________________________ Spring 2008, 4:122 Exam 3 page 2 of 4 4) Draw an example or the requested structure. [3 pts each] a) cyclic hemiacetal of glucose b) a polyamide c) cholesterol—fatty acid complex [use a simple representation
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exam%203%2008Apr19 - Name_ Spring 2008, 4:122 Exam 3 page 1...

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