Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Chapter 12.SE, Problem 48AP
The infrared spectrum of the compound with the mass spectrum shown below lacks any significant absorption above 3000 cm-1. There is a prominent peak near 1740 cm-1 and another strong peak near 1200 cm-1. Propose a structure consistent with the data.
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Compound E is a volatile organic liquid with a fruity smell. Its mass spectrum is given below.
Identify the fragments at m/z 77 and 105, then propose a structure for this compound.
Propose a structure consistent with each set of data.
C10H14: IR absorptions at 3150–2850, 1600, and 1500 cm−1
Predict the structure of the compound using the information below. Kindly show what information are obtained for each spectra which may help in predicting the structure.
From IR Spectra:
See the attached picture
From Mass Spectra
M+ = 134
base peak = 105
peaks at 77 and 51
From Proton and Carbon NMR Spectra
See attached picture.
Chapter 12 Solutions
Organic Chemistry
Ch. 12.2 - Prob. 1PCh. 12.2 - Two mass spectra are shown in FIGURE 12-8. One...Ch. 12.3 - What are the masses of the charged fragments...Ch. 12.3 - Prob. 4PCh. 12.5 - Prob. 5PCh. 12.5 - Prob. 6PCh. 12.7 - What functional groups might the following...Ch. 12.7 - How might you use IR spectroscopy to distinguish...Ch. 12.8 - Prob. 9PCh. 12.8 - Where might the following compounds have IR...
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