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(6 points) Predict the number of signals you would expect each of the molecules below to...
For each of the compounds below tell how many signals you would expect the molecule to...
For each of the compounds below tell how many signals you would
expect the molecule to have in its 1H NMR spectra.
(4 points) For each of the compounds below tell how many signals you would expect the molecule to have in its H NMR spectra. 7. 'H signals CH a. b. CH3 C. d. Cl
7. Which compound below best fits the following spectral data? 8. How many signals would you...
7. Which compound below best fits the following
spectral data?
8. How many signals would you expect to see in the
broadband decoupled C^13 spectra of the following compounds?
9. If a proton gave an NMR signal at 3.2 ppm on a MHz
NMR, what would the chemical shift be of this proton (in ppm) if
the sample was run in 400 MHz NMR?
7. Which compound below best fits the following spectral data? (6 points) H-1 NMR 0.9 ppm...
How many signals would you expect each of the following molecules to have in its 'H...
How many signals would you expect each of the following molecules to have in its 'H and 1C spectra? Molecule #1 Molecule #3 Molecule #2 НэС CHз CH3CH2C(CH3)2CH2CH3 H-NMR absorptions absorptions absorptions 3C-NMR absorptions 13 | absorptions absorptions
How many signals would you expect each of the following molecules to have in its 'H and 1C spectra? Molecule #1 Molecule #3 Molecule #2 НэС CHз CH3CH2C(CH3)2CH2CH3 H-NMR absorptions absorptions absorptions 3C-NMR absorptions 13 | absorptions absorptions
10. (8 points) For each of the following molecules predict the "C and 'H NMR spectra....
10. (8 points) For each of the following molecules predict the "C and 'H NMR spectra. For the "C NMR predict the number of peaks and the shift. For the 'H NMR you will need to predict the shift, multiplicity, and integration of the peaks. CH3 HC не ең, H₃C =O % b-CH3 11. (6 points) Propose a structure for a compound with the chemical formula C.H.Cl, that fits the following 1H NMR data 2.18 8 (3H, singlet) 4.16 8...
MR spectra: For the following molecules, provide the following information that you would expect for their...
MR spectra: For the following molecules, provide the following information that you would expect for their 'H Number of non-equivalent protons Integration of each peak Multiplicity of each peak Number of non- equivalent protons Integration of each peak Multiplicity of each peak CH CH CH CH CH3 CH3 CH3 CH3 CH:CH-CHCH OCH3 - NO₂
1. Use VSEPR theory to predict the molecular geometry for each of the following molecules, indicate...
1. Use VSEPR theory to predict the molecular geometry for each of the following molecules, indicate whether each bond in it is a a or m bond, and provide the hybridization scheme for each non-hydrogen atom а. Н.С %3 снCH %3D CH, b. (носн»),С(СH,)соон с. CH,соосH(CHә)сн — снс 3D ссн, e. (CH3),СHCH,CH(NH,)C0OH d. CH,онсH(NH,)соон 2. Write the resonance structures and resonance hybrid for each of the following ions. Use curved arrows to show the shifts in electrons. ь. CH3 d....
1. How many signals would you expect in the 'H and 13C NMR spectra of the following molecules? (For 'H NMR, it may...
1. How many signals would you expect in the 'H and 13C NMR spectra of the following molecules? (For 'H NMR, it may help to draw in all the H atoms.) w TH: TH: 13C: 13C: TH: 13C: Hi TH: TH: 13C: 13C: 13C:
5 points How many 1H NMR signals would you expect from this compound? СІ 1 -0....
5 points How many 1H NMR signals would you expect from this compound? СІ 1 -0. Type your answer... 2 5 points How many ?H NMR signals would you expect from this compound? OH Type your answer... Question 3 The structure below has three IH NMR signals with chemical shifts list "a", "b", and "c". The H atoms in the structure below are labeled "1)", "2)
1) How many signals would you expect to see molecule? would you expect to see in...
1) How many signals would you expect to see molecule? would you expect to see in the 13C and 'H NMR spectra of the following a) 5 carbon signals; 2 proton signals b) 5 carbon signals; 3 proton signals d) 4 carbon signals; 2 proton signals c) 3 carbon signals; 3 proton signals 2) Select the major product of the following series of reactions. 1) BHTHE 2) H2O2, NaOH(aq) 3) H_Cr04 TOH
Predict the proton nmr spectra for each of the following structures. Number of signals: Relative area:...
Predict the proton nmr spectra for each of the following
structures.
Number of signals:
Relative area:
Splitting pattern (S,T,Q etc)
4 5 6
For each of the compounds below tell how many signals you would
expect the molecule to have in its 1H NMR spectra.
(4 points) For each of the compounds below tell how many signals you would expect the molecule to have in its H NMR spectra. 7. 'H signals CH a. b. CH3 C. d. Cl
7. Which compound below best fits the following
spectral data?
8. How many signals would you expect to see in the
broadband decoupled C^13 spectra of the following compounds?
9. If a proton gave an NMR signal at 3.2 ppm on a MHz
NMR, what would the chemical shift be of this proton (in ppm) if
the sample was run in 400 MHz NMR?
7. Which compound below best fits the following spectral data? (6 points) H-1 NMR 0.9 ppm...
How many signals would you expect each of the following molecules to have in its 'H and 1C spectra? Molecule #1 Molecule #3 Molecule #2 НэС CHз CH3CH2C(CH3)2CH2CH3 H-NMR absorptions absorptions absorptions 3C-NMR absorptions 13 | absorptions absorptions
How many signals would you expect each of the following molecules to have in its 'H and 1C spectra? Molecule #1 Molecule #3 Molecule #2 НэС CHз CH3CH2C(CH3)2CH2CH3 H-NMR absorptions absorptions absorptions 3C-NMR absorptions 13 | absorptions absorptions
10. (8 points) For each of the following molecules predict the "C and 'H NMR spectra. For the "C NMR predict the number of peaks and the shift. For the 'H NMR you will need to predict the shift, multiplicity, and integration of the peaks. CH3 HC не ең, H₃C =O % b-CH3 11. (6 points) Propose a structure for a compound with the chemical formula C.H.Cl, that fits the following 1H NMR data 2.18 8 (3H, singlet) 4.16 8...
MR spectra: For the following molecules, provide the following information that you would expect for their 'H Number of non-equivalent protons Integration of each peak Multiplicity of each peak Number of non- equivalent protons Integration of each peak Multiplicity of each peak CH CH CH CH CH3 CH3 CH3 CH3 CH:CH-CHCH OCH3 - NO₂
1. Use VSEPR theory to predict the molecular geometry for each of the following molecules, indicate whether each bond in it is a a or m bond, and provide the hybridization scheme for each non-hydrogen atom а. Н.С %3 снCH %3D CH, b. (носн»),С(СH,)соон с. CH,соосH(CHә)сн — снс 3D ссн, e. (CH3),СHCH,CH(NH,)C0OH d. CH,онсH(NH,)соон 2. Write the resonance structures and resonance hybrid for each of the following ions. Use curved arrows to show the shifts in electrons. ь. CH3 d....
1. How many signals would you expect in the 'H and 13C NMR spectra of the following molecules? (For 'H NMR, it may help to draw in all the H atoms.) w TH: TH: 13C: 13C: TH: 13C: Hi TH: TH: 13C: 13C: 13C:
5 points How many 1H NMR signals would you expect from this compound? СІ 1 -0. Type your answer... 2 5 points How many ?H NMR signals would you expect from this compound? OH Type your answer... Question 3 The structure below has three IH NMR signals with chemical shifts list "a", "b", and "c". The H atoms in the structure below are labeled "1)", "2)
1) How many signals would you expect to see molecule? would you expect to see in the 13C and 'H NMR spectra of the following a) 5 carbon signals; 2 proton signals b) 5 carbon signals; 3 proton signals d) 4 carbon signals; 2 proton signals c) 3 carbon signals; 3 proton signals 2) Select the major product of the following series of reactions. 1) BHTHE 2) H2O2, NaOH(aq) 3) H_Cr04 TOH
Predict the proton nmr spectra for each of the following
structures.
Number of signals:
Relative area:
Splitting pattern (S,T,Q etc)
4 5 6
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