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Analyze the following proton NMR spectrum for a compound with the chemical structure C10H12O2. Draw the structure of the compound

Analyze the following proton NMR spectrum for a compound with the chemical structure C10H12O2. Draw the structure of the compound

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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Analyze the following proton NMR spectrum for a compound with the chemical structure C10H12O2. Draw the structure of the compound.
 
### NMR Spectrum Analysis This image depicts an NMR (Nuclear Magnetic Resonance) spectrum which is used for determining the structure of organic compounds. The spectrum is displayed with chemical shift (δ) values on the x-axis measured in parts per million (ppm), while the y-axis shows the intensity of the peaks. #### Key Features of the Spectrum: 1. **Peaks and Chemical Shifts:** - There are five prominent peaks in the spectrum, each representing hydrogen atoms in different environments within the molecule. 2. **Peak Identification:** - **8 ppm (2H)**: This peak indicates two hydrogen atoms, typically representing hydrogens in an aromatic ring or a similar environment. - **7 ppm (2H)**: Another set of two hydrogen atoms in a similar but slightly different environment. - **4 ppm (3H)**: This peak indicates three hydrogen atoms, often corresponding to hydrogens adjacent to electronegative atoms such as oxygen or halogens. - **3 ppm (2H)**: Two hydrogen atoms in a possibly less shielded environment. - **1 ppm (3H)**: This peak typically corresponds to three hydrogen atoms, indicative of hydrogens in a simple alkyl (methyl) group. 3. **Peak Colors:** - Peaks corresponding to 3 hydrogen atoms are shown in blue. - Peaks corresponding to 2 hydrogen atoms are shown in red. 4. **Interpreting the NMR Data:** - The chemical shift can suggest the electronic environment around the hydrogens. - The number and intensity of peaks can provide information about the ratio of different types of hydrogens in the molecule. This NMR spectrum is a valuable tool in organic chemistry for deducing the molecular structure by providing insights into the hydrogen atom environments within a compound.
Transcribed Image Text:### NMR Spectrum Analysis This image depicts an NMR (Nuclear Magnetic Resonance) spectrum which is used for determining the structure of organic compounds. The spectrum is displayed with chemical shift (δ) values on the x-axis measured in parts per million (ppm), while the y-axis shows the intensity of the peaks. #### Key Features of the Spectrum: 1. **Peaks and Chemical Shifts:** - There are five prominent peaks in the spectrum, each representing hydrogen atoms in different environments within the molecule. 2. **Peak Identification:** - **8 ppm (2H)**: This peak indicates two hydrogen atoms, typically representing hydrogens in an aromatic ring or a similar environment. - **7 ppm (2H)**: Another set of two hydrogen atoms in a similar but slightly different environment. - **4 ppm (3H)**: This peak indicates three hydrogen atoms, often corresponding to hydrogens adjacent to electronegative atoms such as oxygen or halogens. - **3 ppm (2H)**: Two hydrogen atoms in a possibly less shielded environment. - **1 ppm (3H)**: This peak typically corresponds to three hydrogen atoms, indicative of hydrogens in a simple alkyl (methyl) group. 3. **Peak Colors:** - Peaks corresponding to 3 hydrogen atoms are shown in blue. - Peaks corresponding to 2 hydrogen atoms are shown in red. 4. **Interpreting the NMR Data:** - The chemical shift can suggest the electronic environment around the hydrogens. - The number and intensity of peaks can provide information about the ratio of different types of hydrogens in the molecule. This NMR spectrum is a valuable tool in organic chemistry for deducing the molecular structure by providing insights into the hydrogen atom environments within a compound.
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