S:Chemical Formula: C₂H₁₁NOunique 13Csignals:Chemical Formula: C6H10OSdegrees ofunsaturation:unique 13Csignals:degrees ofunsaturation:CI-NH2₂SS.OSOChemical Formula: C10H6O2S2degrees ofunsaturation:Chemical Formula: CHCINSunique 13Csignals:degrees ofunsaturation:BrClCNCIdegrees ofunsaturation:CICH₂OCH3Chemical Formula: C5H5BrCl 3 NOunique 13Csignals:unique 13Csignals:NChemical Formula: C17H1402unique 13Csignals:degrees ofunsaturation: PART 2:Draw the most accurate 'H-NMR spectrum you can for the following molecules. Show all signals,including an accurate representation of splitting, intensity and position. Assume NO signal overlap (i.e. ifyou expect signals have similar chemical shifts, just place them next to each other). Clearly label theintegration value for each signal. Indicate the correlation between each proton (HA, HB, etc) and eachsignal (label signals A, B, etc.) by using the standard subscript system that we have been using for otherproblems. This entire assignment is to be completed independently.i)12.5ii)52.50 ppm107.5OH12.5107.52.50 ppm

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Answered: S: Chemical Formula: C₂H₁₁NO unique 13C…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL4: Proton (1h) Nmr Spectroscopy

Section: Chapter Questions

Problem 11E

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4. Determine the multiplicity (singlet, doublet, etc) of each signal in the expected 'H NMR spectrum of the following compound. Circle the carbon atom that would be the most deshielded in the 13C NMR spectrum. مله Ν H
6) a)Assign the peaks in the 'H NMR shown below to the correct protons in molecule shown below. The portion of the NMR between 8-6.5 ppm has been magnified for easier viewing. (Hint: Draw resonance structures to distinguish the benzene and alkene Hs. 1H 2H 1H الس 2H CHH BH. CH3 A CH3 D H3C N H CH3 H 6H 6H PPM b) Draw a resonance that shows how you can differentiate the alkene hydrogens in the NMR. It is ok to have more than one positive and negative charge for the resonance structures with a NO2 group.) H H3C-N CH3 CH3 CH3
6.
For each of the ten spectra you should determine which peaks are the most important for identification purposes, what their wavenumber values are, and what specific bonds and/or functional groups they indicate. Record those in the spaces under each spectrum. You don’t have to use each space. Then, from the list of possible compounds, identify what compound is responsible for each spectrum. Realize that these are all of real samples and there may be impurities present that cause weak peaks which would not normally be caused by the compound, such as the one at 3450 cm-1 in Spectrum 1.
For each of the ten spectra you should determine which peaks are the most important for identification purposes, what their wavenumber values are, and what specific bonds and/or functional groups they indicate. Record those in the spaces under each spectrum. You don’t have to use each space. Then, from the list of possible compounds, identify what compound is responsible for each spectrum. Realize that these are all of real samples and there may be impurities present that cause weak peaks which would not normally be caused by the compound, such as the one at 3450 cm-1 in Spectrum 1.
For each of the ten spectra, you should determine which peaks are the most important for identification purposes, what their wavenumber values are, and what specific bonds and/or functional groups they indicate. Record those in the spaces under each spectrum. You don’t have to use each space. Then, from the list of possible compounds, identify what compound is responsible for each spectrum. Realize that these are all the real samples and there may be impurities present that cause weak peaks which would not normally be caused by the compound, such as the one at 3450 cm-1 in Spectrum 1.
For each of the ten spectra, you should determine which peaks are the most important for identification purposes, what their wavenumber values are, and what specific bonds and/or functional groups they indicate. Record those in the spaces under each spectrum. You don’t have to use each space. Then, from the list of possible compounds, identify what compound is responsible for each spectrum. Realize that these are all the real samples and there may be impurities present that cause weak peaks which would not normally be caused by the compound, such as the one at 3450 cm-1 in Spectrum 1.
For each of the ten spectra, you should determine which peaks are the most important for identification purposes, what their wavenumber values are, and what specific bonds and/or functional groups they indicate. Record those in the spaces under each spectrum. You don’t have to use each space. Then, from the list of possible compounds, identify what compound is responsible for each spectrum. Realize that these are all the real samples and there may be impurities present that cause weak peaks which would not normally be caused by the compound, such as the one at 3450 cm-1 in Spectrum 1.
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5. Use the 1H-NMR data to determine the structure of the compounds listed below. Indicate which hydrogens are responsible for each signal. a. C2H4C|z: singlet at s 3.7 ppm b. C8H10: § 1.2 ppm (triplet, 3H) § 2.6 ppm (quartet, 2H) § 7.1 ppm (broad singlet, 5H)
2. Label each proton that will appear in the 'H NMR for the following compound and predict the chemical shifts for the signals in the ¹H NMR.

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