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Page 11 of 21 Long-answer questions INFRARED SPECTRUM narks for each question are indicated. Identify and...
11. Identify and draw the structure of the unknown compound (C.H.O2) that is consistent with the...
11. Identify and draw the structure of the unknown compound (C.H.O2) that is consistent with the spectra provided. Give your reasoning. الايل 10 9 8 7 6 PPM (8) INFRARED SPECTRUM TRANSMITTANCE 1000 2000 Wavenumber (cm-1) Relative intensity The molecular Low caleissa RSS Kits M T 0-rrrttit 10 20 TTTTTTTTTTTTTTTT 30 40 50 60 70 80
Determine the unsaturation number (UN#) for the unknown compounds using the molecular formula. Determine the functional...
Determine the unsaturation number (UN#) for the unknown
compounds using the molecular formula. Determine the functional
groups present in the IR spectrum
Determine the final structure of the unknown
Spectra Set #2 C4H202 INFRARED SPECTRUM TRANSMITTANCE 3000 1000 2000 Wavenumber (cm-1) 2H PPM
Two infrared spectra are shown with the molecular formula CH10. One is the spectrum of cyclohexene,...
Two infrared spectra are shown with the molecular formula CH10. One is the spectrum of cyclohexene, and the other is the spectrum of 2-hexyne. Identify each and explain your reasons for making the identification. Spectrum A Spectrum B 08 DA 06 DS TRANSMITTANCE Re Trance 02 DSCH 4000 1900 NESTO Waverunteront NEST Christy Bottom goriche Which of the following compounds gives an infrared spectrum with peaks at 3300 cm (strong, broad peak) and 1640 cm-- (sharp, weak peak)? OH OH...
The compound from the following list that exhibits the Infrared spectrum below is (Use your cursor...
The compound from the following list that exhibits the Infrared spectrum below is (Use your cursor to read the IR frequescy scale.) OH сн. H-C=C--CHỌ CHO w HOCH, CH(CH).CH a b C d Flash Installation and Troubleshooting Infrared spectra provided courtesy of Thermo Electron Corp. 110% Transmittance ww Wavenumber: 0% 4000 3500 3000 1500 1000 450 2500 2000 Wavenumber (cm)
PLEASE IDENTIFY THE UNKNOWN COMPOUND ALONG WITH ITS STRUCTURE. PLEASE EXPLAIN AND ANALYZE EACH SPECTRUM. SclFinder...
PLEASE IDENTIFY THE UNKNOWN COMPOUND ALONG WITH ITS STRUCTURE.
PLEASE EXPLAIN AND ANALYZE EACH SPECTRUM.
SclFinder O new yor 08 TRANSMITTANCE [%] LLLLLLLL *3500 * 3000* 2500 2000 WAVENUMBER (CM-1] 1500 1 000 CAMR 220 200.180.160.140 120 PPM 100 60 40 20 EI-MS: 100.1 MP.56C BP al Manage s pl Phyes Spell 2243 PPM
This can be solved without a NMR. 7) Identify the molecule from its IR and mass spectra below: MASS SPECTRUM INFRARED...
This can be solved without a NMR.
7) Identify the molecule from its IR and mass spectra below: MASS SPECTRUM INFRARED SPECTRUM los Rel. Intensity Relative Transmittance 04 120 710 519 637 1701 060 0. 0L 20 3000 1000 140 40 60 80 2000 120 100 Wavenumber(cm-1)
The low-resolution mass spectrum of an unknown monosubstituted benzene showed a molecular ion (M+) peak at...
The low-resolution mass spectrum of an unknown monosubstituted benzene showed a molecular ion (M+) peak at m/z 150. Combustion analysis of a sample of this compound indicated that the compound contained C, H, and O only and had an empirical formula of C3H1002. The IR spectrum of the unknown compound is shown below. The 'H NMR spectrum of the unknown compound did not show a peak in the 9.10 ppm range. D 4000 9000 2000 1500 1000 RAVENUGERII What is...
Chemistry help! What compound is this? The IR Spectrum and Mass Spectrum graphs are below: Please identify peaks and explain, thanks! INFRARED SPECTRUM 0.8 0.6 0.4F 0.2 3000 2000 Wavenumber (cm-1) 10...
Chemistry help!
What compound is this? The IR Spectrum and Mass Spectrum graphs
are below:
Please identify peaks and explain, thanks!
INFRARED SPECTRUM 0.8 0.6 0.4F 0.2 3000 2000 Wavenumber (cm-1) 1000 MASS SPECTRUM 100 80 60 40 20 0.0 45 m/z 75 0.0 15 30 60 90
INFRARED SPECTRUM 0.8 0.6 0.4F 0.2 3000 2000 Wavenumber (cm-1) 1000 MASS SPECTRUM 100 80 60 40 20 0.0 45 m/z 75 0.0 15 30 60 90
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. . relative abundance m/z 152 100 153 9.7 154 4.5 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 'H- and 13C-NMR spectra...
4. The proton NMR and IR spectra of Compound B are shown on the next page....
4. The proton NMR and IR spectra of Compound B are shown on the next page. Using the molecular formula C,H,O: (a) Calculate the index of unsaturation. (b) Assign at least three absorption bands in the IR spectrum to functional groups. (C) By considering this value in your analysis of the spectra, give the correct structure for unknown B. Integration values are given above the peaks. (d) Label all peaks in the NMR spectrum, i.e., Ha, Hb, etc., and place...
11. Identify and draw the structure of the unknown compound (C.H.O2) that is consistent with the spectra provided. Give your reasoning. الايل 10 9 8 7 6 PPM (8) INFRARED SPECTRUM TRANSMITTANCE 1000 2000 Wavenumber (cm-1) Relative intensity The molecular Low caleissa RSS Kits M T 0-rrrttit 10 20 TTTTTTTTTTTTTTTT 30 40 50 60 70 80
Determine the unsaturation number (UN#) for the unknown
compounds using the molecular formula. Determine the functional
groups present in the IR spectrum
Determine the final structure of the unknown
Spectra Set #2 C4H202 INFRARED SPECTRUM TRANSMITTANCE 3000 1000 2000 Wavenumber (cm-1) 2H PPM
Two infrared spectra are shown with the molecular formula CH10. One is the spectrum of cyclohexene, and the other is the spectrum of 2-hexyne. Identify each and explain your reasons for making the identification. Spectrum A Spectrum B 08 DA 06 DS TRANSMITTANCE Re Trance 02 DSCH 4000 1900 NESTO Waverunteront NEST Christy Bottom goriche Which of the following compounds gives an infrared spectrum with peaks at 3300 cm (strong, broad peak) and 1640 cm-- (sharp, weak peak)? OH OH...
The compound from the following list that exhibits the Infrared spectrum below is (Use your cursor to read the IR frequescy scale.) OH сн. H-C=C--CHỌ CHO w HOCH, CH(CH).CH a b C d Flash Installation and Troubleshooting Infrared spectra provided courtesy of Thermo Electron Corp. 110% Transmittance ww Wavenumber: 0% 4000 3500 3000 1500 1000 450 2500 2000 Wavenumber (cm)
PLEASE IDENTIFY THE UNKNOWN COMPOUND ALONG WITH ITS STRUCTURE.
PLEASE EXPLAIN AND ANALYZE EACH SPECTRUM.
SclFinder O new yor 08 TRANSMITTANCE [%] LLLLLLLL *3500 * 3000* 2500 2000 WAVENUMBER (CM-1] 1500 1 000 CAMR 220 200.180.160.140 120 PPM 100 60 40 20 EI-MS: 100.1 MP.56C BP al Manage s pl Phyes Spell 2243 PPM
This can be solved without a NMR.
7) Identify the molecule from its IR and mass spectra below: MASS SPECTRUM INFRARED SPECTRUM los Rel. Intensity Relative Transmittance 04 120 710 519 637 1701 060 0. 0L 20 3000 1000 140 40 60 80 2000 120 100 Wavenumber(cm-1)
The low-resolution mass spectrum of an unknown monosubstituted benzene showed a molecular ion (M+) peak at m/z 150. Combustion analysis of a sample of this compound indicated that the compound contained C, H, and O only and had an empirical formula of C3H1002. The IR spectrum of the unknown compound is shown below. The 'H NMR spectrum of the unknown compound did not show a peak in the 9.10 ppm range. D 4000 9000 2000 1500 1000 RAVENUGERII What is...
Chemistry help!
What compound is this? The IR Spectrum and Mass Spectrum graphs
are below:
Please identify peaks and explain, thanks!
INFRARED SPECTRUM 0.8 0.6 0.4F 0.2 3000 2000 Wavenumber (cm-1) 1000 MASS SPECTRUM 100 80 60 40 20 0.0 45 m/z 75 0.0 15 30 60 90
INFRARED SPECTRUM 0.8 0.6 0.4F 0.2 3000 2000 Wavenumber (cm-1) 1000 MASS SPECTRUM 100 80 60 40 20 0.0 45 m/z 75 0.0 15 30 60 90
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. . relative abundance m/z 152 100 153 9.7 154 4.5 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 'H- and 13C-NMR spectra...
4. The proton NMR and IR spectra of Compound B are shown on the next page. Using the molecular formula C,H,O: (a) Calculate the index of unsaturation. (b) Assign at least three absorption bands in the IR spectrum to functional groups. (C) By considering this value in your analysis of the spectra, give the correct structure for unknown B. Integration values are given above the peaks. (d) Label all peaks in the NMR spectrum, i.e., Ha, Hb, etc., and place...
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