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Past Exam for CHEM 247 - PRIN ORGANIC CHEM II with Falvey at Maryland (UMD)

Exam Information

Material Type:Exam 1
Professor:Falvey
Class:CHEM 247 - PRIN ORGANIC CHEM II
Subject:Chemistry
University:University of Maryland
Term:Spring 2000
Keywords:
  • Irrelevant Statements
  • Partial Credit
  • Chemical Shift
  • Macromolecules
  • Nmr Spectrum
  • Spectroscopy
  • Continuation
  • Short Answers
  • Substitution
  • Block Diagram
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Sample Document Text

Chemistry 247 Exam 1, Spring 2K Falvey 1. ______ _ 2. ______ _ 3. ______ _ 4. ______ _ 5. ______ _ 6. _____ _ Total _________ (150) Name ___________________________ _ Be sure to clearly cross out any incorrect answers, or else I will have to deduct points. There are 8 total pages. Count them! Good Luck! 1 of 8 (1) 25 points. Provide a structure that is consistent with the spectroscopic data. For partial credit show whatever partial structures that you are able to derive. 2 of 8 ~he IH and 1:IC NMR spectra of compound A, CHH!.Br, are shown. Propose a structure C/ior A, and assign peaks in the spectra to your structure. " .. - -- f-- , .J n s II I r I I II I ~ Ll VlJUL. -~ I - --':= 10 9 8 7 6 5 4 3 2 o ppm Chemical shift un I I .. - - + t n :::, I I I I I 1- !..- 200 180 160 140 120 100 80 60 40 20 o ppm (2) 25 points. Provide a structure that is consistent with the spectroscopic data. For partial credit show whatever...

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