How would I interpret this 1H-NMR of trans-9-(2-phenylethenyl)anthracene (C22H16)?
integration values from left to right are 1.00, 0.66, 3.13, .31, .25
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How would I interpret this 1H-NMR of
trans-9-(2-phenylethenyl)anthracene
(C22H16)?
integration values from left to right are...
The compound given is 3,3-dimethyl-2-butanone. Interpret the 1H-NMR spectrum, detailing chemical shifts and splittings, draw the...
The compound given is 3,3-dimethyl-2-butanone.
Interpret the 1H-NMR spectrum, detailing chemical shifts and
splittings, draw the structure of the compound and label hydrogens
(a,b,c,d,e) for the signals.
Interpret the 13C-NMR spectrum and draw the structure of the
compound and label carbons (a,b,c,d,e) for the signals.
Interpret the IR spectrum and draw the structure of the
compound, and label functional groups that are responsible for the
stretches.
amk UIT IKLUUENCY PPM INTENSITY 1071.875 575.350 572.946 2.1432 1.1505 1.1475 IHNMR 6.882 16.205...
What is the chemical shift, expected multiplicity, & H+ values for each blank section for given...
What is the chemical shift, expected multiplicity, & H+
values for each blank section for given peaks in the 1H NMR
tables?
4. In the NMR tables below, list the chemical shift, the expected splitting, and the number of hydrogens associated with each peak for each compound 4.a. (2.0 pts) 'H NMR Structure: Peak Chemical Shift (6) Expected Multiplicity 1 Peak Chemical Shift (6) Expected Multiplicity OME 2 8 3 9 4 10 S 11 6 12 'H NMR Structure:...
Can someone help with the analysis of this NMR spectrum for the synthesis of benzyl methyl...
Can someone help with the analysis of this NMR spectrum for the
synthesis of benzyl methyl ether. (Benzyl chloride, diethyl ether
and then added sodium methoxide to produce benzyl methyl
ether)?
What I have so far is:
4 different protons:
3 x 1H on the benzene ring, doublet
2 x 1H on benzene ring, either side of O, doublet
2H on Carbon beside O, quartet
3H on end of alkene with O, triplet
I don't understand where they match up...
Based on the Wittig Reaction exp. below, please answer a) and b). In b) you can...
Based on the Wittig Reaction exp. below, please answer a) and
b). In b) you can disregard the part about the IR, just please
interpret and assign protons, shift values, which protons are for
which groups, etc on the HNMR. The % yield was 34%, and MP was
lower than expected (to assist with answering part a). This should
be all the information you need to answer the question.
HNMR
Discuss the percentage yield of the reaction. Explain and provide...
8. Fill in the table below with the information on each unique 1H-NMR signal. You may treat all aromatic protons a...
8. Fill in the table below with the information on each unique 1H-NMR signal. You may treat all aromatic protons as a single signal if that helps. Peak # Chemical Shift (8) # of H Multiplicity Proposed Fragment Structure 9. Based on your molecular formula, 'H-NMR integration and 13C-NMR, is there any symmetry in your molecule? Explain. Chapter 5: INTEGRATED SPECTROSCOPY PROBLEMS 139 ompound 81 is a liquid (boiling point 85' C) that is commonly used as an aprotic solvent....
for each spectra : calculate degree of unsaturation indicate what information is obtained from each signal...
for
each spectra : calculate degree of unsaturation
indicate what information is obtained from each signal
propose a structure
ines New Roman Accentuat. Elevé 1 Noimal Soun-titre Titre Titre 1 re la mise en forme Style CgH1o02 Integration 2 2 3 11 10 9 8 7 6 3 2 1 PPm Anglais (Etats Unis) Links to search Références Publipostage Révision Aftichage Formal Actuεil tnsertion Mise en page AaBbCcl AaBbCcl AaBbCcl AaBbCeI Couper Times New Roman 12 Copier Accentuat.. Elevé Normal...
for each spectra : calculate degree of unsaturation indicate what information is obtained from each signal...
for
each spectra : calculate degree of unsaturation
indicate what information is obtained from each signal
propose a structure
ines New Roman Accentuat. Elevé 1 Noimal Soun-titre Titre Titre 1 re la mise en forme Style CgH1o02 Integration 2 2 3 11 10 9 8 7 6 3 2 1 PPm Anglais (Etats Unis) Links to search Références Publipostage Révision Aftichage Formal Actuεil tnsertion Mise en page AaBbCcl AaBbCcl AaBbCcl AaBbCeI Couper Times New Roman 12 Copier Accentuat.. Elevé Normal...
This is the Wittig reaction. Below I have the reaction performed. So first we have the...
This is the Wittig reaction. Below I have the reaction
performed. So first we have the IR of starting material and then
the product, all the peaks for all IR. Please identify the peaks in
all the IR. Please also explain the difference observed thank you!.
For this reaction an NMR is also performed, have to label the H NMR
based on the product formed also based on the values given have to
determine if the product was cis -9-2(...
Please do 5 and 6 with given spectra FTIR and NMR Spectra After completing a reaction...
Please do 5 and 6 with given spectra
FTIR and NMR Spectra After completing a reaction and working up the products, it is still necessary to confirm that the correct product was formed. The most common tools used for this analysis are Fourier Transform Infrared (FTIR) and Nuclear Magnetic Resonance (NMR) spectroscopy. In the virtual laboratory, 'H and C NMR spectra are available. Details on interpreting FTIR and NMR spectra are found in your textbook. Your instructor may or may...
Molecular Formula: C H I le (1 pt) 1. Unknown# A-pt) 2. DU (IHD): Show calculation(2 pts) 을 Comm...
Molecular Formula: C H I le (1 pt) 1. Unknown# A-pt) 2. DU (IHD): Show calculation(2 pts) 을 Comments on IHD: (Ipt) One Picor ơne ring 3. Report IR analysis here. Tabulate (5 pts) Region Absorption, cm -1 Functional group Base Value Give as a range. Read from correlation chart. (Exact number read from IR 4000-3000 cm 3000-2500 2500-1700 cm 1700-1500 cm 1500-400 cm 1 4 Explain any IR special features in this box (2 pts) (Symmetry, conjugation, resonance, H-bonding,...
The compound given is 3,3-dimethyl-2-butanone.
Interpret the 1H-NMR spectrum, detailing chemical shifts and
splittings, draw the structure of the compound and label hydrogens
(a,b,c,d,e) for the signals.
Interpret the 13C-NMR spectrum and draw the structure of the
compound and label carbons (a,b,c,d,e) for the signals.
Interpret the IR spectrum and draw the structure of the
compound, and label functional groups that are responsible for the
stretches.
amk UIT IKLUUENCY PPM INTENSITY 1071.875 575.350 572.946 2.1432 1.1505 1.1475 IHNMR 6.882 16.205...
What is the chemical shift, expected multiplicity, & H+
values for each blank section for given peaks in the 1H NMR
tables?
4. In the NMR tables below, list the chemical shift, the expected splitting, and the number of hydrogens associated with each peak for each compound 4.a. (2.0 pts) 'H NMR Structure: Peak Chemical Shift (6) Expected Multiplicity 1 Peak Chemical Shift (6) Expected Multiplicity OME 2 8 3 9 4 10 S 11 6 12 'H NMR Structure:...
Can someone help with the analysis of this NMR spectrum for the
synthesis of benzyl methyl ether. (Benzyl chloride, diethyl ether
and then added sodium methoxide to produce benzyl methyl
ether)?
What I have so far is:
4 different protons:
3 x 1H on the benzene ring, doublet
2 x 1H on benzene ring, either side of O, doublet
2H on Carbon beside O, quartet
3H on end of alkene with O, triplet
I don't understand where they match up...
Based on the Wittig Reaction exp. below, please answer a) and
b). In b) you can disregard the part about the IR, just please
interpret and assign protons, shift values, which protons are for
which groups, etc on the HNMR. The % yield was 34%, and MP was
lower than expected (to assist with answering part a). This should
be all the information you need to answer the question.
HNMR
Discuss the percentage yield of the reaction. Explain and provide...
8. Fill in the table below with the information on each unique 1H-NMR signal. You may treat all aromatic protons as a single signal if that helps. Peak # Chemical Shift (8) # of H Multiplicity Proposed Fragment Structure 9. Based on your molecular formula, 'H-NMR integration and 13C-NMR, is there any symmetry in your molecule? Explain. Chapter 5: INTEGRATED SPECTROSCOPY PROBLEMS 139 ompound 81 is a liquid (boiling point 85' C) that is commonly used as an aprotic solvent....
for
each spectra : calculate degree of unsaturation
indicate what information is obtained from each signal
propose a structure
ines New Roman Accentuat. Elevé 1 Noimal Soun-titre Titre Titre 1 re la mise en forme Style CgH1o02 Integration 2 2 3 11 10 9 8 7 6 3 2 1 PPm Anglais (Etats Unis) Links to search Références Publipostage Révision Aftichage Formal Actuεil tnsertion Mise en page AaBbCcl AaBbCcl AaBbCcl AaBbCeI Couper Times New Roman 12 Copier Accentuat.. Elevé Normal...
for
each spectra : calculate degree of unsaturation
indicate what information is obtained from each signal
propose a structure
ines New Roman Accentuat. Elevé 1 Noimal Soun-titre Titre Titre 1 re la mise en forme Style CgH1o02 Integration 2 2 3 11 10 9 8 7 6 3 2 1 PPm Anglais (Etats Unis) Links to search Références Publipostage Révision Aftichage Formal Actuεil tnsertion Mise en page AaBbCcl AaBbCcl AaBbCcl AaBbCeI Couper Times New Roman 12 Copier Accentuat.. Elevé Normal...
This is the Wittig reaction. Below I have the reaction
performed. So first we have the IR of starting material and then
the product, all the peaks for all IR. Please identify the peaks in
all the IR. Please also explain the difference observed thank you!.
For this reaction an NMR is also performed, have to label the H NMR
based on the product formed also based on the values given have to
determine if the product was cis -9-2(...
Please do 5 and 6 with given spectra
FTIR and NMR Spectra After completing a reaction and working up the products, it is still necessary to confirm that the correct product was formed. The most common tools used for this analysis are Fourier Transform Infrared (FTIR) and Nuclear Magnetic Resonance (NMR) spectroscopy. In the virtual laboratory, 'H and C NMR spectra are available. Details on interpreting FTIR and NMR spectra are found in your textbook. Your instructor may or may...
Molecular Formula: C H I le (1 pt) 1. Unknown# A-pt) 2. DU (IHD): Show calculation(2 pts) 을 Comments on IHD: (Ipt) One Picor ơne ring 3. Report IR analysis here. Tabulate (5 pts) Region Absorption, cm -1 Functional group Base Value Give as a range. Read from correlation chart. (Exact number read from IR 4000-3000 cm 3000-2500 2500-1700 cm 1700-1500 cm 1500-400 cm 1 4 Explain any IR special features in this box (2 pts) (Symmetry, conjugation, resonance, H-bonding,...
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