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Propose structures for compounds of the following molecular formulas, using the spectra given below.Show your work

Propose structures for compounds of the following molecular formulas, using the spectra given below.Show your work

Chemistry
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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a) Propose structures for compounds of the following molecular formulas, using the spectra given below.Show your work

**Chemical Structure Analysis: NMR Spectra** **Compound: C₁₁H₁₀O₂** **¹H NMR Spectrum:** - The horizontal axis represents the chemical shift in parts per million (ppm). - Notable peaks are observed: - Around 7.2 ppm, there is a single peak labeled as "2," indicating the presence of two hydrogen atoms in that environment. - A cluster of peaks around 6.9 ppm labeled "11," indicating the presence of 11 hydrogen atoms. - Peaks at approximately 2.5, 2.2, and 1.0 ppm, each labeled "2," suggesting that there are two hydrogen atoms contributing to each signal. **¹³C NMR Spectrum:** - The lower spectrum displays the ¹³C NMR results with chemical shifts ranging from 0 to 200 ppm. - Peaks can be found around 150, 125, and 50 ppm, likely corresponding to different carbon environments within the molecule. - The positioning and intensity of these peaks indicate the varying environments of carbon atoms in the molecular structure. **Graph Explanation:** - Each peak in the NMR spectra corresponds to a unique hydrogen or carbon environment in the molecule. The number of hydrogen or carbon atoms contributing to each signal helps in deducing the molecular structure. - Chemical shift values and the number of contributing atoms provide insights into the electronic environments and interactions affecting the nuclei, helping to identify functional groups and structural features.
Transcribed Image Text:**Chemical Structure Analysis: NMR Spectra** **Compound: C₁₁H₁₀O₂** **¹H NMR Spectrum:** - The horizontal axis represents the chemical shift in parts per million (ppm). - Notable peaks are observed: - Around 7.2 ppm, there is a single peak labeled as "2," indicating the presence of two hydrogen atoms in that environment. - A cluster of peaks around 6.9 ppm labeled "11," indicating the presence of 11 hydrogen atoms. - Peaks at approximately 2.5, 2.2, and 1.0 ppm, each labeled "2," suggesting that there are two hydrogen atoms contributing to each signal. **¹³C NMR Spectrum:** - The lower spectrum displays the ¹³C NMR results with chemical shifts ranging from 0 to 200 ppm. - Peaks can be found around 150, 125, and 50 ppm, likely corresponding to different carbon environments within the molecule. - The positioning and intensity of these peaks indicate the varying environments of carbon atoms in the molecular structure. **Graph Explanation:** - Each peak in the NMR spectra corresponds to a unique hydrogen or carbon environment in the molecule. The number of hydrogen or carbon atoms contributing to each signal helps in deducing the molecular structure. - Chemical shift values and the number of contributing atoms provide insights into the electronic environments and interactions affecting the nuclei, helping to identify functional groups and structural features.
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