A2 - corresponding hydrogens. 2H 6H 2H 2H 1H 3H 3H 2H 2H 1H...

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Chem 30B Week 2 Worksheet NMR Spectroscopy 1. For the following compound and its associated spectrum a. Label the “upfield” and “downfield” ends of the spectrum b. Determine which signal corresponds to which hydrogen c. Which resonance is at higher energy? d. Which set of protons has greater shielding? e. In the solid state, this molecule has 4 proton signals while only 2 are visible in solution. Explain. 0 1 2 3 PPM
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2. Use your knowledge of 1 H NMR Spectroscopy to assign each of the following structural isomers to its correct spectrum. Assign all signals to their
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Unformatted text preview: corresponding hydrogens. 2H 6H 2H 2H 1H 3H 3H 2H 2H 1H 3. Use your knowledge of 1 H NMR Spectroscopy to assign each of the following compounds to its correct spectrum. Assign all signals to their corresponding hydrogens. t, 4H t, 4H s, 2H t, 6H q, 4H s, 1H q, 4H t, 6H 4. Label the highlighted protons as homotopic, enantiotopic, or disastereotopic. 5. Use the following spectra to write the structural formula for C 8 H 9 NO 2 . Make sure to label all pertinent peaks. d, 2H d, 2H s, 1H s, 1H s, 3H...
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This note was uploaded on 02/05/2010 for the course CHEM 30B Chem 30B U taught by Professor Miguelgarciagaribay during the Fall '10 term at UCLA.

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A2 - corresponding hydrogens. 2H 6H 2H 2H 1H 3H 3H 2H 2H 1H...

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