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X TRANSMITTANCE 00 zeea 4.0 C5 410 0₂ 3523 capillary filz betueen salt plates 3003 3.5 3.0 2500 HAVENUMBERS 2000 2.5 -1940= +998 1500 OCTACT 2611 Page 1 of 1 1633- 1000 Copyright 1992 820.8 1.5 33

X TRANSMITTANCE 00 zeea 4.0 C5 410 0₂ 3523 capillary filz betueen salt plates 3003 3.5 3.0 2500 HAVENUMBERS 2000 2.5 -1940= +998 1500 OCTACT 2611 Page 1 of 1 1633- 1000 Copyright 1992 820.8 1.5 33

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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Find all the IR Peak Assignment and NMR Peak Assignment
**IR and NMR Spectroscopy Analysis** ### Infrared (IR) Spectrum - **Sample Identification:** C5H10O2 - **Graph Details:** - The x-axis represents the wavenumbers (cm<sup>-1</sup>), ranging from approximately 400 to 4000 cm<sup>-1</sup>. - The y-axis shows the % transmittance. - Key absorption peaks are visible at: - ~2970 cm<sup>-1</sup> - ~2870 cm<sup>-1</sup> - ~1711 cm<sup>-1</sup> - ~1460 cm<sup>-1</sup> - ~1370 cm<sup>-1</sup> - ~1230 cm<sup>-1</sup> - ~1100 cm<sup>-1</sup> - ~900 cm<sup>-1</sup> - **Interpretation:** - The peak at ~1711 cm<sup>-1</sup> indicates a carbonyl (C=O) group, characteristic of ketones, aldehydes, or carboxylic acids. - Peaks around ~2970 and ~2870 cm<sup>-1</sup> suggest C-H stretching from alkanes. - Other peaks likely represent various bending and stretching vibrations of bonds in the compound. ### Nuclear Magnetic Resonance (NMR) Spectrum - **Graph Details:** - The x-axis displays the chemical shift (in ppm), spanning from 0 to 5. - Peaks are marked with the numbers 2 and 3. - Peaks appear at the following approximate chemical shifts: - Near 1.5 - 2.5 ppm - Near 0.5 - 1.5 ppm - **Interpretation:** - The chemical shifts suggest the presence of protons in different environments: - Peaks around 0.5 - 1.5 ppm are likely from alkane hydrogens (methyl, methylene groups). - Peaks near 1.5 - 2.5 ppm might indicate hydrogens adjacent to electronegative groups or in more complex environments. These analyses provide insights into the molecular structure of the compound C5H10O2, potentially indicating the presence of a carbonyl-containing compound with alkyl groups. Further analysis and integration
Transcribed Image Text:**IR and NMR Spectroscopy Analysis** ### Infrared (IR) Spectrum - **Sample Identification:** C5H10O2 - **Graph Details:** - The x-axis represents the wavenumbers (cm<sup>-1</sup>), ranging from approximately 400 to 4000 cm<sup>-1</sup>. - The y-axis shows the % transmittance. - Key absorption peaks are visible at: - ~2970 cm<sup>-1</sup> - ~2870 cm<sup>-1</sup> - ~1711 cm<sup>-1</sup> - ~1460 cm<sup>-1</sup> - ~1370 cm<sup>-1</sup> - ~1230 cm<sup>-1</sup> - ~1100 cm<sup>-1</sup> - ~900 cm<sup>-1</sup> - **Interpretation:** - The peak at ~1711 cm<sup>-1</sup> indicates a carbonyl (C=O) group, characteristic of ketones, aldehydes, or carboxylic acids. - Peaks around ~2970 and ~2870 cm<sup>-1</sup> suggest C-H stretching from alkanes. - Other peaks likely represent various bending and stretching vibrations of bonds in the compound. ### Nuclear Magnetic Resonance (NMR) Spectrum - **Graph Details:** - The x-axis displays the chemical shift (in ppm), spanning from 0 to 5. - Peaks are marked with the numbers 2 and 3. - Peaks appear at the following approximate chemical shifts: - Near 1.5 - 2.5 ppm - Near 0.5 - 1.5 ppm - **Interpretation:** - The chemical shifts suggest the presence of protons in different environments: - Peaks around 0.5 - 1.5 ppm are likely from alkane hydrogens (methyl, methylene groups). - Peaks near 1.5 - 2.5 ppm might indicate hydrogens adjacent to electronegative groups or in more complex environments. These analyses provide insights into the molecular structure of the compound C5H10O2, potentially indicating the presence of a carbonyl-containing compound with alkyl groups. Further analysis and integration
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