Homework Answers
Solution:
a. IR of 9-anthraldehyde:
Labelling of the important functional groups above 1500cm-1 in the IR spectrum of 9-anthraldehyde.
| Sr. No. | Frequency | Assignment |
| 1 | 1622.87cm-1 (weak, sharp) | Conjugated C=C, aromatic |
| 2 | 1665.38cm-1 (strong, sharp) | Conjugated C=O |
| 3 | 2771.90cm-1 (weak, broad) | Aldehyde C-H |
| 4 | 3025.88cm-1 (weak, broad) | sp2 C-H, aromatic |
b. IR of Wittig:
Labelling of the important functional groups above 1500cm-1 in the IR spectrum of Wittig.
| Sr. No. | Frequency | Assignment |
| 1 | 1631.84cm-1 (medium, sharp) | Conjugated C=C , aromatic |
| 2 | 1710.82cm-1 (strong, sharp) | Conjugated C=C, aliphatic |
| 3 | 2984.85cm-1 (weak, broad) | Terminal vinyl C-H |
| 4 | 3049.71cm-1 (weak, broad) | sp2 C-H, aromatic |
Add Answer to:
1. Infrared spectra analysis a. Label important functional groups above 1500 cm anthraldehyde acid. in the...
Camphor Analyze any given IR and/or NMR data below. Identify functional groups in IR spectra Identify...
Camphor
Analyze any given IR and/or NMR data below.
Identify functional groups in IR spectra
Identify proton locations from the H NMR.
DL- Camphor INFRARED SPECTRUM Transmitance 4000 3000 2000 Wavenumber (cm-1) 1000 Borneol INFRARED SPECTRUM 0 Relative Transmittance 0.2 UUUUUUUUUU J 3000 1000 2000 Wavenumber (cm-1) ca 00549 in CDC13, position 203 ZGCPPR (zgcpor) [rell 15 TT 3.0 1.5 1.0 Ippm]
identify the peaks above 1500 cm-1 with the corresponding functional groups Lab Information fo... X Methyl...
identify the peaks above 1500 cm-1 with the corresponding
functional groups
Lab Information fo... X Methyl benzoate: 105.0 SN 1491. 1912.13 160135 MIN At 9 .49 22.00 1919 1452b0 1315 14 1176.17 143475 26.50 7007 0.0 4000.0 3000 2000 1500 cm-1 1000 650.0 Postlab instructions and supplemental questions: 1) Calculate your percent yield of methyl benzoate based on the data provided. 2) For all three products obtained, tabulate all peaks above 1500 cm, and the most substantial peak below 1500...
Identify this compound (label all major functional groups on IR spectra). SAMPLE 100- % TRANSMITTANCE 4000...
Identify this compound (label all major
functional groups on IR spectra).
SAMPLE 100- % TRANSMITTANCE 4000 1000 3500 3000 2000 1500 2500 WAVENUMBERS 600.1
Please list the important IR peaks of the IR spectrum and their corresponding functional groups for...
Please list the important IR peaks of the IR spectrum and
their corresponding functional groups for the molecule drawn
(1,1-diphenylethanol).
Parker Som Version 10.44 Wednesday, October 30, 2013 424 PM Analyst Administrator Wednesday, October 30, 2019 4:24 PM 150 isen 2005 3055 tomt 270.231 3028. em 1 3307 Som- 101 esok %T 14 . 1101 13 .1 7781 an-1 600 - 1500 1000 3500 3000 2500 2000 cm-1 Sample 2177 By Administrator Dato Wednesday, October 30 2019 - B Team_1...
DL- Camphor INFRARED SPECTRUM Transmitance 4000 3000 1000 2000 Wavenumber (cm-1) • Analyze any given IR...
DL- Camphor INFRARED SPECTRUM Transmitance 4000 3000 1000 2000 Wavenumber (cm-1) • Analyze any given IR and/or NMR data below. • Identify functional groups in IR spectra o Identify proton locations from the H NMR.
Number 6 and 7. label both spectra of pure p-acetamidophenol and phenacetin product by indicating the...
Number 6 and 7. label both spectra of pure p-acetamidophenol and
phenacetin product by indicating the bonds
5. Spectra 6. Label the IR spectrum of pure p-acetamidophenol below by indicating the bonds associated with stretches in the functional group region. LO0 50 D 000 500 S00 200 3000 4000 7. Label the IR spectrum of your product by indicating the bonds associated with stretches in the functional group region and attach it to Lab report. your % Transmittance 3269.20 3189.76...
4. What functional groups are present in the molecules that gave rise to the following IR...
4. What functional groups are present in the molecules that gave rise to the following IR Spectra? 0.8 O0.6 4 0.2 0.0 3000 2000 Wavenumber (cm-1) 1000 NIST Chemistry WebBook (http://webbook.nist.gov/chemistry) INFRARED SPECTRUM 0.8 2 0.6 0.4 0.2 3000 2000 1000 Wavenumber (cm-1) NIST Chemistry WebBook (http://webbook.nist.gov/chemistry)
IR spectra of SST polymorphs question: Analyze the IR spectra and list the functional groups present....
IR spectra of SST polymorphs question:
Analyze the IR spectra and list the functional groups
present. Also note if any contaminates are present in the
spectra.
Analyst Date PerkinElmer Spectrum Expru Versin 10001 1/28/2019 1002 AM Monday, January 28,2019 1002 AM 89- 80- 70 3333 35cm1 1402 39m 1 1376 94cm-1 40 Exp 5 Part 5: Dominigue 30 101 462.70cm-1 84cm-1 2853.91cm-1 37om-1 3000 2500 2000 1500 1000 450 4000 3500 cm-1 EMPTY-CELL 746 EMPTY-CELL
Analyze this IR spectra of o-vanillin, identifying key peaks and bonds of functional groups: 8 BRUKER...
Analyze this IR spectra of o-vanillin, identifying key peaks and
bonds of functional groups:
8 BRUKER 8 8 3500 2500 Wavenumber cm-1 3000 2000 1500 1000
Analyze the IR spectra of bromobenzene Benzene, bromo- INFRARED SPECTRUM TRANSMITTANCE 1000 3000 2000 Wavenumber (cm-1)
Analyze the IR spectra of bromobenzene
Benzene, bromo- INFRARED SPECTRUM TRANSMITTANCE 1000 3000 2000 Wavenumber (cm-1)
Camphor
Analyze any given IR and/or NMR data below.
Identify functional groups in IR spectra
Identify proton locations from the H NMR.
DL- Camphor INFRARED SPECTRUM Transmitance 4000 3000 2000 Wavenumber (cm-1) 1000 Borneol INFRARED SPECTRUM 0 Relative Transmittance 0.2 UUUUUUUUUU J 3000 1000 2000 Wavenumber (cm-1) ca 00549 in CDC13, position 203 ZGCPPR (zgcpor) [rell 15 TT 3.0 1.5 1.0 Ippm]
identify the peaks above 1500 cm-1 with the corresponding
functional groups
Lab Information fo... X Methyl benzoate: 105.0 SN 1491. 1912.13 160135 MIN At 9 .49 22.00 1919 1452b0 1315 14 1176.17 143475 26.50 7007 0.0 4000.0 3000 2000 1500 cm-1 1000 650.0 Postlab instructions and supplemental questions: 1) Calculate your percent yield of methyl benzoate based on the data provided. 2) For all three products obtained, tabulate all peaks above 1500 cm, and the most substantial peak below 1500...
Identify this compound (label all major
functional groups on IR spectra).
SAMPLE 100- % TRANSMITTANCE 4000 1000 3500 3000 2000 1500 2500 WAVENUMBERS 600.1
Please list the important IR peaks of the IR spectrum and
their corresponding functional groups for the molecule drawn
(1,1-diphenylethanol).
Parker Som Version 10.44 Wednesday, October 30, 2013 424 PM Analyst Administrator Wednesday, October 30, 2019 4:24 PM 150 isen 2005 3055 tomt 270.231 3028. em 1 3307 Som- 101 esok %T 14 . 1101 13 .1 7781 an-1 600 - 1500 1000 3500 3000 2500 2000 cm-1 Sample 2177 By Administrator Dato Wednesday, October 30 2019 - B Team_1...
DL- Camphor INFRARED SPECTRUM Transmitance 4000 3000 1000 2000 Wavenumber (cm-1) • Analyze any given IR and/or NMR data below. • Identify functional groups in IR spectra o Identify proton locations from the H NMR.
Number 6 and 7. label both spectra of pure p-acetamidophenol and
phenacetin product by indicating the bonds
5. Spectra 6. Label the IR spectrum of pure p-acetamidophenol below by indicating the bonds associated with stretches in the functional group region. LO0 50 D 000 500 S00 200 3000 4000 7. Label the IR spectrum of your product by indicating the bonds associated with stretches in the functional group region and attach it to Lab report. your % Transmittance 3269.20 3189.76...
4. What functional groups are present in the molecules that gave rise to the following IR Spectra? 0.8 O0.6 4 0.2 0.0 3000 2000 Wavenumber (cm-1) 1000 NIST Chemistry WebBook (http://webbook.nist.gov/chemistry) INFRARED SPECTRUM 0.8 2 0.6 0.4 0.2 3000 2000 1000 Wavenumber (cm-1) NIST Chemistry WebBook (http://webbook.nist.gov/chemistry)
IR spectra of SST polymorphs question:
Analyze the IR spectra and list the functional groups
present. Also note if any contaminates are present in the
spectra.
Analyst Date PerkinElmer Spectrum Expru Versin 10001 1/28/2019 1002 AM Monday, January 28,2019 1002 AM 89- 80- 70 3333 35cm1 1402 39m 1 1376 94cm-1 40 Exp 5 Part 5: Dominigue 30 101 462.70cm-1 84cm-1 2853.91cm-1 37om-1 3000 2500 2000 1500 1000 450 4000 3500 cm-1 EMPTY-CELL 746 EMPTY-CELL
Analyze this IR spectra of o-vanillin, identifying key peaks and
bonds of functional groups:
8 BRUKER 8 8 3500 2500 Wavenumber cm-1 3000 2000 1500 1000
Analyze the IR spectra of bromobenzene
Benzene, bromo- INFRARED SPECTRUM TRANSMITTANCE 1000 3000 2000 Wavenumber (cm-1)
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