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Assign at least two functional groups in your experimental IR spectrum on the next page. What...
Assign at least two functional groups from the experimental IR spectrum. What can you conclude about the purity of your experimental caffeine product from the IR spectrum and % yield? IR SPECTRUM OF EXTRACTED CAFFEINE 100 appy %T 81 4000 3000 1000 600 2000 Waverumber fom-11
Draw at least two functional groups on the IR for this Molecule: IR SPECTRA for extracted Caffeine
Interpret the IR spectrum. Assign peaks to the major functional groups present in Compound 3. %Transmittance 4000 451 3500 3000 2500 Wavenumbers (cm-1) 2000 1704.22 1582.94 1500 1455.74 1401.84 1360.52 1277.77 1199.79 1169,80 1000 1149.01 1090.22 1008 96 1024.98 COMPOUND 3 942.39 919 35 885.89 855.60 780.62 714.49
6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present in polystyrene? Which bands tell you this information? (give approximate wavenumbers) Transmission IR ATR IR 500 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm) FIGURE 21.13 Comparison of (top) a transmission spectrum of polystyrene with (bottom) an ATR spectrum of polystyrene. Strong peak between 1820-1600 cm 1? YES NO Carbonyl Present Look for "companion" peaks broad 3400-2400 cm! (O-H) Carboxylic Acid medium (maybe...
Assign functional groups/vibrations (bending, stretching) to each peak for the computational IR spectrum for carbon dioxide shown below. From left to right the peak numbers are 1485 cm^-1, 864.5 cm^-1, and 644 cm^-1. . 40 Transmittar 3000 1000 2000 Wavenumber (cm-1)
Discuss the IR spectrum and what is the peak in IR that you can see for a specific functional group of the product? Discuss 1H NMR spectrum. Assign and interpret each peak. How do you determine the formation of the product using 1H NMR? IR Spectra 75 70 65 60 Transmittance 56 50 45 46 35 4000 3500 3000 1600 1000 2500 2000 Wenumbers (on 1) HNMR spectra Cheap
Assign appropiate functional groups to at least 3 peaks :) please and thank you THENSHETTANCEIS 4000 2000 1500 1000 NAVENURBERI
Please Identitfy the functional groups within the FT-IR spectrum. If the graph is difficult to decipher please let me know so I can obtain another spectrum. Thank you % Transmittance 4000 SCIENTIFIC Thermo Fisher 3500 3000 2985.86 2938.27 2905.27 2875.27 unknown 22 23592848.27 2500 2339.26 2335.89 2333.95 2330.54 2328.622.8920.99 2000 1500 1374.14 1241.51 1000 1047.62 Thu Oct 17 21:16:16 2019 (C
From the IR spectrum shown below, suggest functional groups that you recognized, and with the peak (wave number, 1/cm group test you would use. also suggest which functional INFRARED SPECTRUM Transmitance 3000 2000 1000
IR Spectroscopy of Aspirin 1. Draw the structure of aspirin and state the chemical name of aspirin. 2. Indicate the regions (circle and label on your IR spectrum) of your spectrum that correspond to a carbonyl and a hydroxyl functional group. Identify two other regions that correlate with other functional groups/structural features. Indicate these regions on your spectrum (circle and label on your IR spectrum). 3. Use your IR spectrum, melting point data, and FeCly test results to characterize the...