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Identify the following: 120 110 F1 (ppm) 100 Peak B 90 50 70 60 Peak A

Identify the following: 120 110 F1 (ppm) 100 Peak B 90 50 70 60 Peak A

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### NMR Spectrum Analysis **Identify the following:** This is an NMR (Nuclear Magnetic Resonance) spectrum graph displaying a chemical analysis of a compound. The horizontal axis represents the chemical shift measured in parts per million (ppm), ranging from 120 ppm to -10 ppm. The vertical axis indicates the signal intensity. #### Key Features: - **Peak A**: A cluster of multiple smaller peaks located between approximately 25 ppm and 5 ppm. This indicates the presence of different chemical environments within this region. - **Peak B**: A single prominent peak present near 75 ppm. This suggests a major chemical shift region, potentially indicating a unique structural feature or chemical group within the compound. By analyzing the chemical shifts and intensities, the distinct chemical environments in the compound can be identified, helping in the structure elucidation.
Transcribed Image Text:### NMR Spectrum Analysis **Identify the following:** This is an NMR (Nuclear Magnetic Resonance) spectrum graph displaying a chemical analysis of a compound. The horizontal axis represents the chemical shift measured in parts per million (ppm), ranging from 120 ppm to -10 ppm. The vertical axis indicates the signal intensity. #### Key Features: - **Peak A**: A cluster of multiple smaller peaks located between approximately 25 ppm and 5 ppm. This indicates the presence of different chemical environments within this region. - **Peak B**: A single prominent peak present near 75 ppm. This suggests a major chemical shift region, potentially indicating a unique structural feature or chemical group within the compound. By analyzing the chemical shifts and intensities, the distinct chemical environments in the compound can be identified, helping in the structure elucidation.
**Text Transcription for Educational Website** --- **Description:** This interface is a drop-down selection menu used in the context of Nuclear Magnetic Resonance (NMR) spectroscopy analysis. The menu provides options for identifying peaks within NMR spectra. **Fields:** - **This is a typical [ Choose ]** - **Peak A [ Choose ]** - **Peak B [ Choose ]** **Options in Drop-down Menu:** 1. **TMS** 2. **Residual peak of CDCl3** 3. **DMS** 4. **Residual peak of DMSO** 5. **H NMR** 6. **C NMR** **Explanation:** 1. **TMS (Tetramethylsilane):** Often used as a calibration standard in NMR spectroscopy. 2. **Residual peak of CDCl3 (Deuterated Chloroform):** A common solvent used in NMR that leaves a residual peak. 3. **DMS (Dimethyl Sulfide):** Can appear in spectra depending on the sample. 4. **Residual peak of DMSO (Dimethyl Sulfoxide):** Another common solvent with its own characteristic residual peak. 5. **H NMR (Proton NMR):** This option refers to NMR analysis focused on detecting hydrogen atoms. 6. **C NMR (Carbon NMR):** This option refers to NMR analysis focused on detecting carbon atoms. The drop-down selections help assign and identify chemical shifts in the NMR analysis.
Transcribed Image Text:**Text Transcription for Educational Website** --- **Description:** This interface is a drop-down selection menu used in the context of Nuclear Magnetic Resonance (NMR) spectroscopy analysis. The menu provides options for identifying peaks within NMR spectra. **Fields:** - **This is a typical [ Choose ]** - **Peak A [ Choose ]** - **Peak B [ Choose ]** **Options in Drop-down Menu:** 1. **TMS** 2. **Residual peak of CDCl3** 3. **DMS** 4. **Residual peak of DMSO** 5. **H NMR** 6. **C NMR** **Explanation:** 1. **TMS (Tetramethylsilane):** Often used as a calibration standard in NMR spectroscopy. 2. **Residual peak of CDCl3 (Deuterated Chloroform):** A common solvent used in NMR that leaves a residual peak. 3. **DMS (Dimethyl Sulfide):** Can appear in spectra depending on the sample. 4. **Residual peak of DMSO (Dimethyl Sulfoxide):** Another common solvent with its own characteristic residual peak. 5. **H NMR (Proton NMR):** This option refers to NMR analysis focused on detecting hydrogen atoms. 6. **C NMR (Carbon NMR):** This option refers to NMR analysis focused on detecting carbon atoms. The drop-down selections help assign and identify chemical shifts in the NMR analysis.
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