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- what compound has this given IR Spectra? 80 2725 2827 40 2976 1731 of 4000 2000 Wavenumbers (cm-1) O A. butanol B. butanoic acid O C. butanone O D. butyraldehyde %Transmittance1. Match the molecular structure with the included infrared spectrum. Explain your answer. A. В С. он -NH3 1. ABSORBANCE 0.560- 0.430- 0.400 - 0.320 0.240- 0.160- 0.00- 3200.00 2800.00 2400.00 2000.00 1600.00 1200.00 800.00 1/CM27. Consider the IR spectrum of 2-cyclohexen-1-one shown below. Identify the important bands in the Diagnostic Region (consider both functional groups present). IR Spectrum of 2-cyclohexen-1-one 90 80 70 60- 50 40 30 20 10 -10 - 1000 500 2000 1500 3000 2500 4000 3500 Wavenumbers (cm-1) % Transmittance 3335.97 3033.31 2947.53 2871.28 2828.79 1685.28 1617.03 1427.38L 1453.72 1388.28 1348.32 1323.25 1255.91 1240.35 1211.37 1140.70 1122.35 976 65 939.34 876.30 763.00 732.20 585.62 488.16 463.74
- 645. Give the structure of the compound and explain exactly how you reached this conclusion. Toluene INFRARED SPECTRUM 0.8 OR 0.6 0.4 3000 2000 1000 Wavenumber (cm-1) NIST Chemistry Webeook (https://webbook.nist.gov/chemistry) 7.38 to 7.00 2.34 P Int. E56.75 1.334 651.38 7.274 650.88 7.268 649.81 7.256 648.63 7.243 7.220 7.210 644.25 7.194 643.31 7.184 641.81 7.167 7.159 640.50 7.152 639.69 .143 7.135 638.06 7.125 29 38 29 50 108 646.56 645.69 94 829 707 246 641.13 141 122 es 638.94 62 637.25 7.116 50 636.25 7.105 635.75 7.099 209.75 2.343 55 10 55 1000 Ppm Which compound is this? HydrocarbonsDiphenylmethane "1,1-Diphenylethene "Toluene "Isopropylbenzene "Styrene Halides2-Bromopropane "1-Chloro-1-phenylethane "1-Chloro-2-phenylethane "1,3-Dichloropropane "1,4-Dichlorobutane "1-Bromopropane "p-Bromoethylbenzene "lodoethane "2-Bromobutane "Chlorodiphenylmethane Alcohols2-Propanol "2-Phenylethanol "1-Phenylethanol "Ethanol EthersEthoxybenzene "Diisopropyl ether "Benzyl ethyl ether…5. The infrared Ispectra of cis-and trans-3-hexen-1-ol follow. Assign a structure to each. MICRONS 10 12 13 14 15 16 19 25 10025 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1000 600 400 1400 WAVENUMBERS (CM-') 1200 800 MICRONS 10025 10 12 13 14 15 16 19 25 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 800 600 400 1400 WAVENUMBERS (CM-) 1600 1200 1000 % TRANSMITTANCE % TRANSMITTANCEWhich molecule has the IR spectrum below. A B C D A Transmitance 1 0.8 0.6 0.4 0.2 3000 B INFRARED SPECTRUM 2000 Wavenumber (cm-1) C 1000 D 'Н
- The IR spectrum of a sample contains absorptions at 3050, 2950, and 1620 cm-1. Towhat class of organic compound does this sample most likely belong? ExplainA) alkaneB) alkeneC) alkyneD) esterE) alcoholThe IR spectrum below belongs to an organic compound A having one nitrogen atom. Determine which structures that fits to the IR spectrum. Justify your answer by providing two (2) IR absorption peaks with their wavenumber. CN NH2 Ahsorbance / 4 50 100- 4000 3000 2500 2000 1500 1000 500 Wavenumbers / cmexplain IR data and any information discern from it. This IR is Benzophenone IR
- heres the data TZ # Concentration Absorbance at 430 nmnm 1 33.6480 0.931 2 25.2360 0.757 3 16.8420 0.210 4 8.41200 0.137 5 4.20600 0.122Calculate the IHD of C7H6XNO and identify the important peaks in the following MS spectral data and draw the structure of the important peaks in the following MS spectral data.How can IR spectroscopy be used to distinguish between each pair of isomers?