classes_fall07_30BID19_SummerC2007-Midterm2

classes_fall07_30BID19_SummerC2007-Midterm2 - Manashi...

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Manashi Chatterjee,Ph.D. Chem 30B – Summer C 2007 Last Name Student ID Number : First MI Name of your TA: (Please Circle) Rebecca / Eric / Jesus Total: /100 Discussion Section - Day : Time: Chem 30 B Summer C 2007 Midterm # 2 (60 mins) Friday August 31, 2007 DO NOT OPEN THIS EXAM UNTIL INSTRUCTED TO DO SO Signature He Ne Ar Kr Xe F Cl Br I O S Se Te N P As Sb C Si Ge Sn B Al Ga In H Be Mg Ca Sr 1.5 1.2 1.0 1.5 1.8 2.1 2.5 3.0 2.8 2.4 2.0 1.8 1.6 1.7 1.8 1.9 2.1 2.5 Page Point Score 3 4 5 20 6 18 12 6 7 8 9 10 20 Total 100 14 1
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Manashi Chatterjee,Ph.D. Chem 30B – Summer C 2007 1. (20 points) Following are the 1 H NMR, 13 C NMR and IR spectra for a compound I with molecular formula C 5 H 10 O . a) Propose the structural formula of the compound I; b) Account for the splitting pattern observed in the 1 H NMR; c) Explain the signals in the 13 C NMR and comment on how they would appear in a DEPT; d) Label the key peaks in the IR spectra. ( Use page-2 for answering questions a, b and c ) 2
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Manashi Chatterjee,Ph.D. Chem 30B – Summer C 2007 13 C-NMR 1 H-NMR IR: liquid film d; 6H 3H septet,1H a) Propose the structural formula of the compound. Show the necessary steps to get to the structure.
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This note was uploaded on 03/12/2008 for the course CHEM 30B taught by Professor Rubin during the Spring '05 term at UCLA.

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classes_fall07_30BID19_SummerC2007-Midterm2 - Manashi...

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