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Qs3. Tell how you would use the proton NMR and IR spectra to distinguish between ethyl benzoate and 4- ethylbenzoic acid (drawing the structures will help you a lot). You can draw a schematic NMR spectrum for each compound, or simply list the peaks that shall be present (including integration and multiplicity).

Qs3. Tell how you would use the proton NMR and IR spectra to distinguish between ethyl benzoate and 4- ethylbenzoic acid (drawing the structures will help you a lot). You can draw a schematic NMR spectrum for each compound, or simply list the peaks that shall be present (including integration and multiplicity).

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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Qs3. Tell how you would use the proton NMR and IR spectra to distinguish between ethyl benzoate and 4- ethylbenzoic acid (drawing the structures will help you a lot). You can draw a schematic NMR spectrum for each compound, or simply list the peaks that shall be present (including integration and multiplicity). Qs4. Provide the structure of the compound that being a liquid does not dissolve in water. However, under acidic conditions and at elevated temperature it readily dissolves in water with the formation of water- insoluble product. This product can be dissolved in water only at boiling or in a presence of a base. The 13C NMR of the reactant shows 7 signals. Its 1H NMR and IR spectra are below. 100- 80- 60- 40- * 20- 4.4 4.35 1.4 1.35 4000 3000 2000 1500 1000 500 8. 7 6 3 2 Wavenumbers (cm-1) Chemical shift (ppm) For a bigger picture (and integration values), see the next page.
Transcribed Image Text:Qs3. Tell how you would use the proton NMR and IR spectra to distinguish between ethyl benzoate and 4- ethylbenzoic acid (drawing the structures will help you a lot). You can draw a schematic NMR spectrum for each compound, or simply list the peaks that shall be present (including integration and multiplicity). Qs4. Provide the structure of the compound that being a liquid does not dissolve in water. However, under acidic conditions and at elevated temperature it readily dissolves in water with the formation of water- insoluble product. This product can be dissolved in water only at boiling or in a presence of a base. The 13C NMR of the reactant shows 7 signals. Its 1H NMR and IR spectra are below. 100- 80- 60- 40- * 20- 4.4 4.35 1.4 1.35 4000 3000 2000 1500 1000 500 8. 7 6 3 2 Wavenumbers (cm-1) Chemical shift (ppm) For a bigger picture (and integration values), see the next page.
100- 80- 60- 40- ৪ 20- 4.4 4.35 1.4 1.35 0- 4000 3000 2000 1500 1000 500 8 7 6 4. 3 2 1 Wavenumbers (cm-1) Chemical shift (ppm) For a bigger picture (and integration values), see the next page. 100 80- 40- 20- 4000 3000 2000 1500 1000 500 Wavenumbers (cm-1) 2H 4.4 4.35 1.4 1.35 8 7 5 4 1 Chemical shift (ppm) % Transmittance % Transmittance 60
Transcribed Image Text:100- 80- 60- 40- ৪ 20- 4.4 4.35 1.4 1.35 0- 4000 3000 2000 1500 1000 500 8 7 6 4. 3 2 1 Wavenumbers (cm-1) Chemical shift (ppm) For a bigger picture (and integration values), see the next page. 100 80- 40- 20- 4000 3000 2000 1500 1000 500 Wavenumbers (cm-1) 2H 4.4 4.35 1.4 1.35 8 7 5 4 1 Chemical shift (ppm) % Transmittance % Transmittance 60
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