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An unknown molecule yields the following IR spectrum. What functional group is definitely NOT present in...
Look at the given IR spectra for compound Z. Determine what kinds of bonds/functional group are...
Look at the given IR spectra for compound Z. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol/ Secondary Amine (O-H/N-H) [Select] Carboxylic Acid (O-H) [ Select ] , Primary Amine (-NH2) [ Select] A Alkyne (C-H) [Select] Alkene (=C-H) (Select] Alkane (C-H) (Select] Aldehyde (C-H) (Select ] Triple bond (CC or CN) [Select] A Carbonyl (C=O) (Select] Alkene (C=C) [ Select] Alkane (C-C) [ Select ] 9 Look at the given compounds. Determine if each could...
6. Figure 21.13 (page 324) shows the IR spectrum of polystyrene. Which functional groups are present...
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...
Problem 1 Directions: Determine the funcional group(s) present in the IR spectrum. 1a. 1b. 1c. Thank...
Problem 1
Directions: Determine the funcional group(s) present in the IR
spectrum.
1a.
1b. 1c.
Thank you in advance!
INFRARED SPECTRUM 0.8 TRANSMITTANCE 3000 1000 2000 Wavenumber (cm-1) C7H14 note that this band is greater than 3000 1644 % Transmittance 2863 2966 4000 2000 Wavenumbers (cm-1) Wavenumber (cm-1) C3H60 2725 2827 % Transmittance 2976 1731 2000 Wavenumbers (cm-1)
Interpret the IR spectrum. Assign peaks to the major functional groups present in Compound 3. %Transmittance...
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
Transmittance 2 10 1216 HO 3000 4000 1000 2000 Wavenumbers (cm) 5. What functional groups are...
Transmittance 2 10 1216 HO 3000 4000 1000 2000 Wavenumbers (cm) 5. What functional groups are present (P) and absent (A) in the spectrum shown above? ketone carboxylic ac Bikane Waveumboestem 1 What functional groups are present and absent (A) in the spectrum shown above leohol dehyde nitrile aromat
Look at the given IR spectra for compound W. Determine what kinds of bonds/functional group are...
Look at the given IR spectra for compound W. Determine what
kinds of bonds/functional group are present and select
present/absent.
Alcohol / Secondary Amine (O-H / N-H) present or absent
Carboxylic Acid (O-H) present or absen
Primary Amine (-NH2) present", "absent
Alkyne (C-H) present", "absent
Alkene (=C-H) present", "absent"
Alkane (C-H) present", "absent"
Aldehyde (C-H) present", "absent"
Triple bond (CC or CN) present", "absent"
Carbonyl (C=O) present", "absent"
Alkene (C=C) present", "absent"
Alkane (C-C) present or...
1) Identify the functional group (alkane, alkene, ketone, aldehyde, aldehyde, etc) for the compounds providing the...
1) Identify the functional group (alkane, alkene, ketone, aldehyde, aldehyde, etc) for the compounds providing the IR spectra: % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 1000 3500 3000 1500 1000 500 2500 2000 Wavenumber (cm)
1007 Transmittance 4000 Wavenumbers ( 2000 3. What functional groups are present (P) and absent (Al...
1007 Transmittance 4000 Wavenumbers ( 2000 3. What functional groups are present (P) and absent (Al in the spectrum shown above? alcohol 4000 Warenumbers tem') 1000 1 What functional groups are present and bent in the spectrum shown above amine ta
Compound X ransmitance 4000 3000 2000 1000 500 1500 Wavenumbers Look at the given IR spectra...
Compound X ransmitance 4000 3000 2000 1000 500 1500 Wavenumbers Look at the given IR spectra for compound X. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol / Secondary Amine (O-H/N-H) Carboxylic Acid (O-H) Primary Amine (-NH2) Alkyne (C-H) Alkene (=C-H) Alkane (C-H) Aldehyde (C-H) Triple bond (CC or CN) Carbonyl (C=0) Alkene (C=C) Alkane (C-C) Look at the given compounds. Determine if each could have given the above spectrum. It's possible that more than one...
Identify the peaks that identify the functional groups in the IR spectrum Unknown 4 C2H60 TRANSMITTANCE...
Identify the peaks that identify the functional groups
in the IR spectrum
Unknown 4 C2H60 TRANSMITTANCE 1001- 0 900- 0 800- 0.700- 0.600- 0.500- 0.400- 0.300- 0200- 0.100- 0.000- 4000 IR Unknown 3500 3000 2500 2000 1000 1500 Load IR spectrum Load proton NMR Show structure Spectra are displayed using JSpecView Website maintained by Jennifer Muzyka Contact me at jennifer muzyka@centre edu. Unknown 5 C3H5NO TRANSMITTANCE 1.001 - 0.900- 0800- 0.700- 0.600- 0.500- 0.400- 0.300- 0 200- 0.100- 0 000...
Look at the given IR spectra for compound Z. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol/ Secondary Amine (O-H/N-H) [Select] Carboxylic Acid (O-H) [ Select ] , Primary Amine (-NH2) [ Select] A Alkyne (C-H) [Select] Alkene (=C-H) (Select] Alkane (C-H) (Select] Aldehyde (C-H) (Select ] Triple bond (CC or CN) [Select] A Carbonyl (C=O) (Select] Alkene (C=C) [ Select] Alkane (C-C) [ Select ] 9 Look at the given compounds. Determine if each could...
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...
Problem 1
Directions: Determine the funcional group(s) present in the IR
spectrum.
1a.
1b. 1c.
Thank you in advance!
INFRARED SPECTRUM 0.8 TRANSMITTANCE 3000 1000 2000 Wavenumber (cm-1) C7H14 note that this band is greater than 3000 1644 % Transmittance 2863 2966 4000 2000 Wavenumbers (cm-1) Wavenumber (cm-1) C3H60 2725 2827 % Transmittance 2976 1731 2000 Wavenumbers (cm-1)
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
Transmittance 2 10 1216 HO 3000 4000 1000 2000 Wavenumbers (cm) 5. What functional groups are present (P) and absent (A) in the spectrum shown above? ketone carboxylic ac Bikane Waveumboestem 1 What functional groups are present and absent (A) in the spectrum shown above leohol dehyde nitrile aromat
Look at the given IR spectra for compound W. Determine what
kinds of bonds/functional group are present and select
present/absent.
Alcohol / Secondary Amine (O-H / N-H) present or absent
Carboxylic Acid (O-H) present or absen
Primary Amine (-NH2) present", "absent
Alkyne (C-H) present", "absent
Alkene (=C-H) present", "absent"
Alkane (C-H) present", "absent"
Aldehyde (C-H) present", "absent"
Triple bond (CC or CN) present", "absent"
Carbonyl (C=O) present", "absent"
Alkene (C=C) present", "absent"
Alkane (C-C) present or...
1) Identify the functional group (alkane, alkene, ketone, aldehyde, aldehyde, etc) for the compounds providing the IR spectra: % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 4000 3500 3000 1500 1000 500 2500 2000 Wavenumber(cm) % Transmittance 1000 3500 3000 1500 1000 500 2500 2000 Wavenumber (cm)
1007 Transmittance 4000 Wavenumbers ( 2000 3. What functional groups are present (P) and absent (Al in the spectrum shown above? alcohol 4000 Warenumbers tem') 1000 1 What functional groups are present and bent in the spectrum shown above amine ta
Compound X ransmitance 4000 3000 2000 1000 500 1500 Wavenumbers Look at the given IR spectra for compound X. Determine what kinds of bonds/functional group are present and select present/absent. Alcohol / Secondary Amine (O-H/N-H) Carboxylic Acid (O-H) Primary Amine (-NH2) Alkyne (C-H) Alkene (=C-H) Alkane (C-H) Aldehyde (C-H) Triple bond (CC or CN) Carbonyl (C=0) Alkene (C=C) Alkane (C-C) Look at the given compounds. Determine if each could have given the above spectrum. It's possible that more than one...
Identify the peaks that identify the functional groups
in the IR spectrum
Unknown 4 C2H60 TRANSMITTANCE 1001- 0 900- 0 800- 0.700- 0.600- 0.500- 0.400- 0.300- 0200- 0.100- 0.000- 4000 IR Unknown 3500 3000 2500 2000 1000 1500 Load IR spectrum Load proton NMR Show structure Spectra are displayed using JSpecView Website maintained by Jennifer Muzyka Contact me at jennifer muzyka@centre edu. Unknown 5 C3H5NO TRANSMITTANCE 1.001 - 0.900- 0800- 0.700- 0.600- 0.500- 0.400- 0.300- 0 200- 0.100- 0 000...
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