95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 ppm

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Provide structures that are consistent with the attached DEPT spectra (A-C). Each set of spectra includes a DEPT-90 (top), DEPT-135 (middle) and standard 13C decoupled spectrum (bottom).

a) C5H11Br

This image displays a carbon-13 nuclear magnetic resonance (^13C NMR) spectrum. The x-axis is labeled in parts per million (ppm) ranging from 10 to 95 ppm, indicating the chemical shift characteristic of different carbon environments in a molecule. 

Key features of the spectrum:
- There are distinct peaks at approximately 12, 15, 20, 25, 38, 45, 55, 70, and 85 ppm.
- Each peak represents a chemically unique carbon atom in the compound being analyzed.
- The height of the peaks can provide information about the number of chemically equivalent carbons.

Overall, this spectrum is used to deduce structural information about organic compounds by identifying different carbon environments.
Transcribed Image Text:This image displays a carbon-13 nuclear magnetic resonance (^13C NMR) spectrum. The x-axis is labeled in parts per million (ppm) ranging from 10 to 95 ppm, indicating the chemical shift characteristic of different carbon environments in a molecule. Key features of the spectrum: - There are distinct peaks at approximately 12, 15, 20, 25, 38, 45, 55, 70, and 85 ppm. - Each peak represents a chemically unique carbon atom in the compound being analyzed. - The height of the peaks can provide information about the number of chemically equivalent carbons. Overall, this spectrum is used to deduce structural information about organic compounds by identifying different carbon environments.
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