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Identify the molecules and why you think it is the molecule.

Identify the molecules and why you think it is the molecule.

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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Identify the molecules and why you think it is the molecule.
The image contains three infrared (IR) spectra labeled as Spectrum I, Spectrum II, and Spectrum III. Each spectrum is plotted on a graph where the x-axis represents the wavenumber in cm⁻¹, ranging from 4000 to 500 cm⁻¹, and the y-axis represents transmittance as a percentage, ranging from 0% to 100%. ### Spectrum I - Displays several peaks throughout the wavenumber range, indicating various functional groups. ### Spectrum II - Similar to Spectrum I, with distinct peaks that suggest different or additional functional groups compared to Spectrum I. ### Spectrum III - Features several prominent peaks, potentially corresponding to different molecular vibrations distinct from or overlapping with the first two spectra. ### Molecular Structures (A, B, C) Below the spectra, there are diagrams of three different molecules labeled as A, B, and C: - **A**: Represents a molecule with a carbonyl group attached to an alkane chain. - **B**: Shows a molecule with a carbonyl group adjacent to a carbon-carbon double bond. - **C**: Displays a molecule with a carbonyl group and a conjugated system of double bonds. These spectra can be used in an educational context to teach about identifying functional groups and molecular structures using IR spectroscopy. Each spectrum can be matched to one of the molecular structures based on the characteristic absorption peaks and functional group fingerprints.
Transcribed Image Text:The image contains three infrared (IR) spectra labeled as Spectrum I, Spectrum II, and Spectrum III. Each spectrum is plotted on a graph where the x-axis represents the wavenumber in cm⁻¹, ranging from 4000 to 500 cm⁻¹, and the y-axis represents transmittance as a percentage, ranging from 0% to 100%. ### Spectrum I - Displays several peaks throughout the wavenumber range, indicating various functional groups. ### Spectrum II - Similar to Spectrum I, with distinct peaks that suggest different or additional functional groups compared to Spectrum I. ### Spectrum III - Features several prominent peaks, potentially corresponding to different molecular vibrations distinct from or overlapping with the first two spectra. ### Molecular Structures (A, B, C) Below the spectra, there are diagrams of three different molecules labeled as A, B, and C: - **A**: Represents a molecule with a carbonyl group attached to an alkane chain. - **B**: Shows a molecule with a carbonyl group adjacent to a carbon-carbon double bond. - **C**: Displays a molecule with a carbonyl group and a conjugated system of double bonds. These spectra can be used in an educational context to teach about identifying functional groups and molecular structures using IR spectroscopy. Each spectrum can be matched to one of the molecular structures based on the characteristic absorption peaks and functional group fingerprints.
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