exam-1 key-2 - CHEM 342 Organic Chemistry Exam 1, September...

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CHEM 342 Organic Chemistry Exam 1, September 11, 2007 Name (please PRINT LEGIBLY) _________________________________________ (last) (first) Instructions: 1) Write LARGE and LEGIBLY. Answers that I cannot read, will not receive any credit. 2) Read each question carefully before answering. If you don’t answer the question that is asked, you won’t get credit. 3) Time allowed 9:30-10:45 am. There will be no time extensions. 4) Leave remainder of this page blank. 5) Your percentage will be calculated on the basis of 100 points. There are five extra points on this exam. Problem Score 1. /20 2. /08 3. /10 4. /10 5. /12 6. /20 7. /25 ------------------------------------------------------------------------------------------------------- Total /105
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TABLE OF IR STRETCHES Table 13.1
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TABLE OF IR STRETCHES
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TABLE OF TYPICAL 1H NMR RESONANCES
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TABLE OF TYPICAL 13C NMR RESONANCES
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1. (5 pts. each, total 20 pts.) Your sample is one of the two compounds mentioned in each case. From MS, IR, 1 H NMR or 13 C NMR techniques, choose one that will enable you to identify your sample unambiguously. Briefly describe one feature of the spectrum (or the absence of a feature) that will rule out one of the two possibilities. You may use each method not more than twice in this problem. a. OH Cl Ans. 1 H NMR, IR or MS can be used to identify the compound. In the 1 H NMR, there will be an OH peak for the compound on the left and no such peak for the compound on the right. In the mass spectrum, the molecular ion peaks for both compounds will be different. In IR spectrum, the compound on the left will have a strong intensity very
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This note was uploaded on 09/12/2008 for the course CHEM 342 taught by Professor Hussaini during the Spring '08 term at University of Louisville.

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exam-1 key-2 - CHEM 342 Organic Chemistry Exam 1, September...

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