Exam1%2007Jan31 - Name_ Spring 2007 4:122 Exam 1 (6 pages....

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Name_____________________________________ Spring 2007 4:122 Exam 1 (6 pages. Count them. Print entire name on 1 st page; last name on rest.) You may remove the data sheet. (Leave rest intact.) You may not use any other data or paper. 1) For each of the structures, provide the anticipated mass spectral data. [3 ea = 6 pts] 1B [D = 2 H] 1A 1 M a Significant M+1 & M+2 b Examples of important fragments c 1A 1B a Molecular ion; b Any signficant at masses above M (include short characterization of each peak); c One (or two) fragments (include short characterization of each fragment) 2) Some halogens like chlorine give rise to a characteristic pattern in mass spectrometry. What do you predict for the molecular ion region for the molecule Cl-CH 2 -CH 2 -Cl? [Be specific about masses and intensities. 4 pts] 3) High resolution mass spec reports values like 60.0575. Regular (low resolution) mass spec reports m/z values as whole numbers. Account for the difference. [Be specific as possible. 4 pts]
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This note was uploaded on 02/16/2010 for the course CHEM 122 taught by Professor Pienta during the Spring '08 term at University of Iowa.

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Exam1%2007Jan31 - Name_ Spring 2007 4:122 Exam 1 (6 pages....

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