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3. For the following problems: a) determine the DUI for the given chemical formula. b) assign...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that is consistent with the IR spectrum below. Label the peaks on the spectra with the corresponding functional groups that you used to determine your structure. 100 50 2008 1000 580 4000 2000
determine the structure of your unknown from the molecular formula, IR, and 13C NMR spectra. assign all of your 13C NMR...
determine the structure of your unknown from the molecular
formula, IR, and 13C NMR spectra. assign all of your 13C NMR
absorptions.
IR & 1C NMR Lab Unknown Your group's mission is to determine the structure of your unknown from the molecular forrmula, IR and 13C NMR spectra. Assign all of your C NMR absorptions. You want to know which resonances correspond to which parts of the product's structure. The best way to do this is to draw a picture...
Predict the structure chemical formula is C3H14O2. Determine the degrees of unsaturation. Determine the important functional...
Predict the structure chemical formula is C3H14O2. Determine the degrees of unsaturation. Determine the important functional group(s) that arc shown in the IR spectrum. Assign all the peaks in the spectra (^3H and ^13C) to the protons and carbons in your predicted structure.
3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is gi...
3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsH10 Draw the structure of the compound. 10 H CH10 PPM b) C3H100 Draw the structure of the compound. ЗН ЗН CgH100 d, 240, 2H 6 PPM c) C6H12O2 (IR stretch: C=0 stretch at 1737 cm) Draw the structure of the compound. 6H tsep, 1H C6H1202
For the following questions draw the structure of the compound based off of the molecular formula...
For the following questions draw the structure of the compound
based off of the molecular formula and NMR that is given.
3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsHjo Draw the structure of the compound 10 H CHIO PPM b) CxH100 Draw the structure of the compound. CH400 0,2H ,2H PPM c) C6H1202 (IR stretch: C=0 stretch at 1737 cm') Draw the structure of...
all one question 3. For the following problems, you will be given either the molecular formula of the compound...
all
one question
3. For the following problems, you will be given either the molecular formula of the compound or the molecular weight and the necessary spectra to answer the problem. Calculate the formula (if necessary) as well as the degree of unsaturation. Draw a structure of the compound that matches both spectra and assign each of the protons in your structure. (2 or 3 pts each) a) C H100 3, t 2, d 2, d 2.q 1, bs 2...
1. Determine the structure for the compound with chemical formula CHO from the given 'Hand C...
1. Determine the structure for the compound with chemical formula CHO from the given 'Hand C NMR spectra (10 pts) 8. Determine the structure for the compound with chemical formula C.H.CI.N from the given decoupled "C- NMR spectrum. (10 pts)
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...
A compound of unknown structure gave the following spectroscopic data: Mass spectrum: M+ = 88.1 IR:...
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
1. The IR spectra shown below is for a compound of formula C.H.O (a) Calculate the...
1. The IR spectra shown below is for a compound of formula C.H.O (a) Calculate the degree(s) of unsaturation (b) What are the functional groups indicated ? (C)Match the peaks to each of the corresponding functional group. (d) Propose a structure (10 points) 90 % Transmittance 1250 Wernumbers ( 1) 2. The NMR spectra shown is for a compound of formula C.H.O. (a) Calculate the degree(s) of unsaturation (b) What are the functional groups indicated ? (c)Match the peaks to...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that is consistent with the IR spectrum below. Label the peaks on the spectra with the corresponding functional groups that you used to determine your structure. 100 50 2008 1000 580 4000 2000
determine the structure of your unknown from the molecular
formula, IR, and 13C NMR spectra. assign all of your 13C NMR
absorptions.
IR & 1C NMR Lab Unknown Your group's mission is to determine the structure of your unknown from the molecular forrmula, IR and 13C NMR spectra. Assign all of your C NMR absorptions. You want to know which resonances correspond to which parts of the product's structure. The best way to do this is to draw a picture...
Predict the structure chemical formula is C3H14O2. Determine the degrees of unsaturation. Determine the important functional group(s) that arc shown in the IR spectrum. Assign all the peaks in the spectra (^3H and ^13C) to the protons and carbons in your predicted structure.
3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsH10 Draw the structure of the compound. 10 H CH10 PPM b) C3H100 Draw the structure of the compound. ЗН ЗН CgH100 d, 240, 2H 6 PPM c) C6H12O2 (IR stretch: C=0 stretch at 1737 cm) Draw the structure of the compound. 6H tsep, 1H C6H1202
For the following questions draw the structure of the compound
based off of the molecular formula and NMR that is given.
3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsHjo Draw the structure of the compound 10 H CHIO PPM b) CxH100 Draw the structure of the compound. CH400 0,2H ,2H PPM c) C6H1202 (IR stretch: C=0 stretch at 1737 cm') Draw the structure of...
all
one question
3. For the following problems, you will be given either the molecular formula of the compound or the molecular weight and the necessary spectra to answer the problem. Calculate the formula (if necessary) as well as the degree of unsaturation. Draw a structure of the compound that matches both spectra and assign each of the protons in your structure. (2 or 3 pts each) a) C H100 3, t 2, d 2, d 2.q 1, bs 2...
1. Determine the structure for the compound with chemical formula CHO from the given 'Hand C NMR spectra (10 pts) 8. Determine the structure for the compound with chemical formula C.H.CI.N from the given decoupled "C- NMR spectrum. (10 pts)
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...
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
1. The IR spectra shown below is for a compound of formula C.H.O (a) Calculate the degree(s) of unsaturation (b) What are the functional groups indicated ? (C)Match the peaks to each of the corresponding functional group. (d) Propose a structure (10 points) 90 % Transmittance 1250 Wernumbers ( 1) 2. The NMR spectra shown is for a compound of formula C.H.O. (a) Calculate the degree(s) of unsaturation (b) What are the functional groups indicated ? (c)Match the peaks to...
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