249Test1_2006 - Name: CHEMISTRY 249S Examination 1 February...

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Name: 1 CHEMISTRY 249S Examination 1 February 13th 2006 Answer all questions in the spaces provided on the examination sheets, indicating clearly what is to be graded. PRINT YOUR NAME AND STUDENT NUMBER CLEARLY ON THE FIRST PAGE OF THE EXAM BOOKLET NAME: STUDENT NUMBER: NMR Spectroscopic Correlation Tables are provided on Pages 9-10 of this booklet. Allowed Aids: Molecular Models Calculators and other electronic devices are not permitted in this examination Credit will be given for partial answers WAIT UNTIL YOU ARE TOLD TO BEGIN Marking Scheme Question 1 15 Question 2 25 Question 3 25 Good Luck! Question 4 60 Total 125
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Name: 2 1. ( 15 Points ) Shown below is the chemical structure of cocaine. Answer the following questions about the structure of this compound. N H 3 C O O O CH 3 O (a) How many chiral centres are there in this molecule? (b) How many methylene group signals would you expect to see in the DEPT NMR? (c) How many aromatic carbon signals (peaks) would you see in the 13 C NMR? (d) What is the most downfield signal you would expect to see in the
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This note was uploaded on 07/23/2008 for the course CHM 249 taught by Professor Batey during the Winter '04 term at University of Toronto.

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249Test1_2006 - Name: CHEMISTRY 249S Examination 1 February...

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