Relative Transmittance10.80.60.43000AnthraceneINFRARED SPECTRUMwww2000Wavenumber (cm-1)NIST Chemistry WebBook (https://webbook.nist.gov/chemistry)10001- For the above shown IR-Spectrum (Indicate the structure of the organic molecule).What are the characteristic peaks present?2- Show (or draw) the IR spectrum, The NMR Spectrum and the Mass spectrum forMethyl ethyl ester.3- Show or hand draw the IR spectrum, The NMR Spectrum and the Mass spectrumfor Acetyl Salicylic acid (commonly known as Aspirin)

1) From the IR spectrum, the characteristics peaks are observed at near about 3050cm-1, 1600cm-1,…

Answered: Relative Transmittance 0.8 0.6 0.4 3000…

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Chemistry

Relative Transmittance 0.8 0.6 0.4 3000 INFRARED SPECTRUM www 2000 Wavenumber (cm-1) 1000

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter33: High-performance Liquid Chromatography

Section: Chapter Questions

Problem 33.14QAP

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Question

Relative Transmittance
1
0.8
0.6
0.4
3000
Anthracene
INFRARED SPECTRUM
www
2000
Wavenumber (cm-1)
NIST Chemistry WebBook (https://webbook.nist.gov/chemistry)
1000
1- For the above shown IR-Spectrum (Indicate the structure of the organic molecule).
What are the characteristic peaks present?
2- Show (or draw) the IR spectrum, The NMR Spectrum and the Mass spectrum for
Methyl ethyl ester.
3- Show or hand draw the IR spectrum, The NMR Spectrum and the Mass spectrum
for Acetyl Salicylic acid (commonly known as Aspirin)

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Please refer to the images as much as you need to. For the following hydrocarbons, pick out 5 wavenumbers for each hydrocarbon, and give it its probable assignment for its structure. You may find this link useful: https://www.sigmaaldrich.com/US/en/technical-documents/technical-article/analytical-chemistry/photometry-and-reflectometry/ir-spectrum-table o-xylene (cm-1) : 985.76, 1021.06, 1052.51, 1119.30, 1383.43, 1465.62, 1495.11, 1604.66, 2859.82, 2874.76, 2922.19, 2937.08, 2968.08, 3016.57, 3049.67, 3063.02, 3105.51 m-xylene (cm-1) : 876.16, 904.28, 1039.26, 1094.05, 1169.56, 1376.70, 1397.17, 1458.12, 1491.51, 1538.93, 1557.96, 1591.83, 1612.18, 1652.69, 2730.72, 2863.59, 2920.44, 2944.72, 3015.77, 3104.24 p-xylene (cm-1) :1023.01, 1042.16, 1102.92, 1119.19, 1219.51, 1378.51, 1455.91, 1515.82, 1557.92, 1631.57, 1889.80, 2732.29, 2868.22, 2921.93, 2976.07, 2999.25, 3018.79, 3044.59, 3093.20, 3133.55, 3134.26
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