C__DOCUME~1_MORAKIS_LOCALS~1_TEMP_plugtmp-1_exam3

C__DOCUME~1_MORAKIS_LOCALS~1_TEMP_plugtmp-1_exam3 - Chem...

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Unformatted text preview: Chem 61, Section 2 Exam 3 November 22, 2004 Name _______________________________________ (please print) Instructions: please use pencil 1. There are 4 pages including this one. 2. You may use molecular models. 3. Spelling counts. 4. Read each problem carefully. 5. Ambiguously rendered answers will be marked incorrect . Pledge: I have neither given nor received aid on this exam: Signed: ______________________________________________ Data for interpreting proton NMR spectra Chemical shifts for aliphatic protons (in ppm) R C R CO R CO R O R O R OAr O R' CO 0.9 2.2 2.0 3.3 3.7 3.8 1.3 2.4 2.2 3.4 4.1 4.3 1.5 2.7 2.5 3.7 4.8 4.5 R' R' R' R Ar 2.3 2.7 3.0 R C=C 1.6 2.3 2.2 R CO 2.6 2.9 3.5 Ar R = CH 3 CH 2 CH R Cl 3.0 3.4 4.0 Page 2 1. (15 points) On the arrow, indicate which reagents, solvents, and conditions are needed to carry out each of the following reactions. More than one operation or step may be necessary....
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This test prep was uploaded on 03/19/2008 for the course CHEM 261 taught by Professor Austell during the Fall '08 term at UNC.

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C__DOCUME~1_MORAKIS_LOCALS~1_TEMP_plugtmp-1_exam3 - Chem...

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