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Given the following Infrared Spectrum, Transmittance 100 90 80- 70 60 50 40 304 20 10 mm 3100 H₂C. 3000 B O A) Pentanal Which of the following compounds is consistent with the spectrum shown above? CH₂ 1/CM 0 2000 1700 1000 D E с CH, or se "H H₂C H₂C CH, NH₂

Given the following Infrared Spectrum, Transmittance 100 90 80- 70 60 50 40 304 20 10 mm 3100 H₂C. 3000 B O A) Pentanal Which of the following compounds is consistent with the spectrum shown above? CH₂ 1/CM 0 2000 1700 1000 D E с CH, or se "H H₂C H₂C CH, NH₂

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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### Infrared Spectrum Analysis #### Spectrum Description The given infrared spectrum features several key absorption peaks: - **Peak at 3100 cm⁻¹**: This indicates the presence of C-H stretching, typically seen in aromatic compounds. - **Peak at 1700 cm⁻¹**: This is indicative of a C=O (carbonyl) group, which is common in ketones, aldehydes, and other carbonyl-containing compounds. #### Question Which of the following compounds is consistent with the spectrum shown above? #### Structures of Compounds: - **A) Pentanal** - Contains an aldehyde group. - **B) Methoxybenzene** - Contains an aromatic ring and a methoxy group. - **C) Benzaldehyde** - Contains an aromatic ring with an aldehyde group. - **D) 2-Methylpropanenitrile** - Contains a nitrile group (CN). - **E) 2-Methylpropane-1-amine** - Contains an amine group (NH2). #### Options: - **A) Pentanal** - **E) 2-Methylpropane-1-amine** - **D) 2-Methylpropanenitrile** - **B) Methoxybenzene** - **C) Benzaldehyde** ### Analysis Based on the spectrum features, particularly the absorption peaks, the compound most likely to match is **C) Benzaldehyde** due to the presence of both an aromatic ring (evidenced by the C-H stretching) and a carbonyl group.
Transcribed Image Text:### Infrared Spectrum Analysis #### Spectrum Description The given infrared spectrum features several key absorption peaks: - **Peak at 3100 cm⁻¹**: This indicates the presence of C-H stretching, typically seen in aromatic compounds. - **Peak at 1700 cm⁻¹**: This is indicative of a C=O (carbonyl) group, which is common in ketones, aldehydes, and other carbonyl-containing compounds. #### Question Which of the following compounds is consistent with the spectrum shown above? #### Structures of Compounds: - **A) Pentanal** - Contains an aldehyde group. - **B) Methoxybenzene** - Contains an aromatic ring and a methoxy group. - **C) Benzaldehyde** - Contains an aromatic ring with an aldehyde group. - **D) 2-Methylpropanenitrile** - Contains a nitrile group (CN). - **E) 2-Methylpropane-1-amine** - Contains an amine group (NH2). #### Options: - **A) Pentanal** - **E) 2-Methylpropane-1-amine** - **D) 2-Methylpropanenitrile** - **B) Methoxybenzene** - **C) Benzaldehyde** ### Analysis Based on the spectrum features, particularly the absorption peaks, the compound most likely to match is **C) Benzaldehyde** due to the presence of both an aromatic ring (evidenced by the C-H stretching) and a carbonyl group.
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