Question attached. Please explain how you arrived at your answer Match the following IR spectra to the corresponding molecule:OHBOHC1100OHDwwOHpeaks (wavenumber): 3500, 3000, 2900, 2850, 1700, 1485, 1450, 1285, and a bunch more.

IR spectroscopy helps to identify the functional group present in the compound. Each functional group has a different force constant and reduced mass, they are the characteristic property of the functional group so, by analyzing the wave number we can identify the functional group present in the compound and deduce the plausible structure of the compound.The analysis of IR spectra is given below: Sr. No. Wave number (cm-1) Nature Assignment 1. 3500 Broad sp3, -OH stretching frequency (Alcohol group present) 2. 3000-2900, 2850 Medium sp3, C-H stretching vibration 3. 1700 Sharp sp2, ketone stretching frequency (Carbonyl stretching frequency) 4. 1485-1450 Medium other C-H vibrations of CH2 groups In the IR spectrum, a broad peak at 3500 cm-1 indicates the presence of the hydroxyl group (-OH) whereas the peak at 1700 cm-1 represents the presence of the carboxylic group (-COOH). Hence, the possible compound among the given compounds is either B or D. Generally, the =C-H stretch for an aromatic compound is observed at 2000-1650 cm-1. However, no significant peak is observed in the IR spectrum in the given range. Therefore, an aromatic ring is not present in the compound. The compound corresponding to the given IR spectra is D.Conclusion: The compound which matches the IR spectra given is D.

Answered: Match the following IR spectra to the…

Science

Chemistry

Match the following IR spectra to the corresponding molecule: 0 A ОН В ОН C -OH D 0 wy ОН

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter20: Molecular Spectroscopy And Photochemistry

Section: Chapter Questions

Problem 31P

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

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Question attached. Please explain how you arrived at your answer

Match the following IR spectra to the corresponding molecule:
OH
B
OH
C
1100
OH
D
ww
OH
peaks (wavenumber): 3500, 3000, 2900, 2850, 1700, 1485, 1450, 1285, and a bunch more.

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