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8. Use the spectral data below to propose structure(s) for the compound labeled Y, which can...
consider an unknown compound with the following molecular formula and spectral data: 4. Consider an unknown...
consider an unknown compound with the following molecular
formula and spectral data:
4. Consider an unknown compound with the following molecular formula and spectral data: C6H8O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHI Solution 4000 1200 0 0 2000 1800 Icm3 Mass Spectrum base pak No significant UV absorption above 220 mm C6H302 240 280 40 80 120 160 200
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure...
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure for this compound in the box at the bottom of the page. Peak assignments written on the spectra may be worth partial credit. (5 marks) r IR Spectrum liquid film) 1735 1717 4000 3000 1200 800 2000 1600 V (cm) 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CHI Chit Cht solvent proton decoupled 100 no Sloml proton decoupled 200 160 120 80 40...
(iii) A compound of unknown structure was found to have a molecular formula CHNO. The wavenumber ...
(iii) A compound of unknown structure was found to have a molecular formula CHNO. The wavenumber () of selected bands from the IR spectrum of the compound are given below: v (cm)-2980-2830 (multiple overlapping bands, medium intensity), 2250 (medium), 1125 (strong) The 'H NMR spectrum (400 MHz, CDCls solvent) of the compound is shown, with the integration of the signals indicated by the curves. The chemical shifts (8) and coupling constants of the iH NMR signals are: 83.50 (tJ-7 Hz),...
thanks for the help! Consider an unknown compound with the following molecular formula and spectral data:...
thanks for the help!
Consider an unknown compound with the following molecular formula and spectral data: CH3O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHO, 4000 3000 1800 1200 800 8 Mass Spectrum M12 8 8 No significant UV absorption above 220 mm 9 C6H802 240 220 40 80 120 160 200 13C NMR Spectrum (100 MHE, COCI, DEPT со сно сне prolon de coupled 200 TH...
Compound A: C6H14O I've gathered that the Unsaturation Number is 0, so there is no double...
Compound A: C6H14O
I've gathered that the Unsaturation Number is 0, so there is no
double bond or ring present. (I've also attached the IR and NMR
spectra on the bottom.)
But I'm having a hard time answering the following
questions.
Based on the molecular formula and the UN/DBE you calculated, check all the functional groups that could be present in compound A? Earlier, using the molecular formula and the UN/DBE, you came up with a list of functional groups...
Compound 2: Use the information provided below and the IR and NMR spectra on the next...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
12. Choose the correct structure of the compound (Formula: CioH1202) with the following spectral data Then,...
12. Choose the correct structure of the compound (Formula: CioH1202) with the following spectral data Then, identify key signals on the IR spectrum that proves the structure you chose. On the 'H-NMR spectrum redraw the structure you have chosen, label each type of protons using a, b, c etc. and assign each letter to one of the peaks on the spectrum. C10H120 100 50 Wavenumber 500 multiplet 5 3 0 Pn-C-CH2-o-CHzcHs Ph-C CH2CH2 O CH3 A) B) C)
please can some one expalin how to get the molecular fomular and hnmr, cnmr Compound 8:...
please can some one expalin how to get the molecular fomular
and hnmr, cnmr
Compound 8: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. 1) An MS was taken of compound 8 and the table is given below. Determine the molecular formula of 8 from the MS given below. relative m/z abundance 100 117 4.4 116 k) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule...
For part B also calculate degree of unsaturation and use the MS and 13CNMR spectra...
For part B also calculate degree of
unsaturation and use the MS and 13CNMR spectra to identify the
molecule. Label the graphs with the information gained.
9. Identify the compound with give molecular formula that gives the IR and 'H NMR spectra shown. Label the IR peaks with the type of functional group. Draw the structure of the compound and label the signals on the structure using letters (a, b, c, etc.) then label the signals on the 'H...
Compound 3: Use the information provided below and the IR and NMR spectra on the next...
Compound 3: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 3 and the table is given below. Determine the molecular formula of 3 from the MS given below. m/z 166 relative abundance 100 10.9 4.5 167 168 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 'H- and 18C-NMR spectra given...
consider an unknown compound with the following molecular
formula and spectral data:
4. Consider an unknown compound with the following molecular formula and spectral data: C6H8O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHI Solution 4000 1200 0 0 2000 1800 Icm3 Mass Spectrum base pak No significant UV absorption above 220 mm C6H302 240 280 40 80 120 160 200
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure for this compound in the box at the bottom of the page. Peak assignments written on the spectra may be worth partial credit. (5 marks) r IR Spectrum liquid film) 1735 1717 4000 3000 1200 800 2000 1600 V (cm) 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CHI Chit Cht solvent proton decoupled 100 no Sloml proton decoupled 200 160 120 80 40...
(iii) A compound of unknown structure was found to have a molecular formula CHNO. The wavenumber () of selected bands from the IR spectrum of the compound are given below: v (cm)-2980-2830 (multiple overlapping bands, medium intensity), 2250 (medium), 1125 (strong) The 'H NMR spectrum (400 MHz, CDCls solvent) of the compound is shown, with the integration of the signals indicated by the curves. The chemical shifts (8) and coupling constants of the iH NMR signals are: 83.50 (tJ-7 Hz),...
thanks for the help!
Consider an unknown compound with the following molecular formula and spectral data: CH3O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHO, 4000 3000 1800 1200 800 8 Mass Spectrum M12 8 8 No significant UV absorption above 220 mm 9 C6H802 240 220 40 80 120 160 200 13C NMR Spectrum (100 MHE, COCI, DEPT со сно сне prolon de coupled 200 TH...
Compound A: C6H14O
I've gathered that the Unsaturation Number is 0, so there is no
double bond or ring present. (I've also attached the IR and NMR
spectra on the bottom.)
But I'm having a hard time answering the following
questions.
Based on the molecular formula and the UN/DBE you calculated, check all the functional groups that could be present in compound A? Earlier, using the molecular formula and the UN/DBE, you came up with a list of functional groups...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
12. Choose the correct structure of the compound (Formula: CioH1202) with the following spectral data Then, identify key signals on the IR spectrum that proves the structure you chose. On the 'H-NMR spectrum redraw the structure you have chosen, label each type of protons using a, b, c etc. and assign each letter to one of the peaks on the spectrum. C10H120 100 50 Wavenumber 500 multiplet 5 3 0 Pn-C-CH2-o-CHzcHs Ph-C CH2CH2 O CH3 A) B) C)
please can some one expalin how to get the molecular fomular
and hnmr, cnmr
Compound 8: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. 1) An MS was taken of compound 8 and the table is given below. Determine the molecular formula of 8 from the MS given below. relative m/z abundance 100 117 4.4 116 k) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule...
For part B also calculate degree of
unsaturation and use the MS and 13CNMR spectra to identify the
molecule. Label the graphs with the information gained.
9. Identify the compound with give molecular formula that gives the IR and 'H NMR spectra shown. Label the IR peaks with the type of functional group. Draw the structure of the compound and label the signals on the structure using letters (a, b, c, etc.) then label the signals on the 'H...
Compound 3: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 3 and the table is given below. Determine the molecular formula of 3 from the MS given below. m/z 166 relative abundance 100 10.9 4.5 167 168 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 'H- and 18C-NMR spectra given...
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