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Interpretation:
The masses and relative intensities of the peaks in the molecule on region for given compound is to be determined.
Concept Introduction:
Few elements such as
Chemical shift is the measurement on
NMR resonance generally splits into
The proportion of each isotope is determined by its
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Chapter 9 Solutions
Organic Chemistry
- (b) 13C NMR Select the correct answer choices to determine the NMR spectra. This molecule is and as a result would have a total of signals. The carbons labeled as expected to have a higher chemical shift (i.e. be more downfield) than 1 and 8. The respective peaks are Signals would be likely to be the shortest since they ✓hydrogen atoms attached to them. are in height.arrow_forwardWhat is the area under the NMR signal proportional to?arrow_forwardIn details explain peaks would you expect to find for t-butyl amine vs. diethyl amine vs. n-butyl amine in the Infrared spectrum?arrow_forward
- Why does the molecule 1,3-dichlorobenzene have a molecular ion peak at 146 which is also the base peak? Would you be able to draw the structure of the base peak fragment for this compound?arrow_forward(b) Draw a table with approximate chemical shifts, integration and multiplicity of the signals corresponding to the molecule below.arrow_forwardThe molecule ethylbenzene is seen to have the three highest fragments at m/z = 106, 91, and 65. The base peak is at 91. Explain why this occurs and draw the structure of the fragmentsarrow_forward
- Wavenumbers of prominent peaks/ signal in the spectrum Functional groups present in the unknown (Discussion):arrow_forwardFollowing are infrared spectra of nonane and 1-hexanol. Assign each compound its correct spectrum.arrow_forwardFollowing is the mass spectrum of an unknown compound. The two highest peaks are at m/z 120 and 122. Suggest a structure for this compound. (Data from http://webbook.nist.gov/chemistry/.)arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningOrganic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningEBK A SMALL SCALE APPROACH TO ORGANIC LChemistryISBN:9781305446021Author:LampmanPublisher:CENGAGE LEARNING - CONSIGNMENT
- Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
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