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Compound B only contains carbon, hydrogen and a halogen. Its mass spectrum is reproduced below. Draw...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
The mass spectrum of 2,6-dimethylheptan-4-ol is shown in appendix A. a) Draw the structure of this...
The mass spectrum of 2,6-dimethylheptan-4-ol is shown in appendix A. a) Draw the structure of this compound. b) Propose structures for the fragments at m/z 87, 111 and 126. 100 80 60 abundance 40 87 20 111 126 0 10 III 100'110' 120' 130 140 150 160 20 30 40 50 60 70 80 90 m/z.
Question 5: (11 marks) Compound B, which contains only carbon, hydrogen and oxygen atoms, shows the...
Question 5: (11 marks) Compound B, which contains only carbon, hydrogen and oxygen atoms, shows the mass, IR, H NMR and C NMR spectra given below a) With brief explanation, deduce the structure of Compound B b) Explain the mass spectroscopic signals at m/z 122, 105 and 77. Mass Spectrum 122 M° 150 70 90 100 110 120 130 140 150 150 170 180 100 200 mve Infrared Spectrum Wave Number,cm- 4000 3000 250 2000150 13 1 11001000900 80 Wavelengihn,...
Please help with identifying this compound? Need to draw the structure 14.01 Mass Spectrum 13C-NMR Spectrum...
Please help with identifying this compound? Need to draw the
structure
14.01 Mass Spectrum 13C-NMR Spectrum CHO M**= 60 Relative Intensity 10 15 20 25 30 40 45 50 35 m/z 55 60 200 180 160 140 120 80 60 40 20 100 ppm IR Spectrum 1H-NMR Spectrum o Chem. shift Ret area Porto age are 3.5822.00 226 157 094 Singlet (hare some into the rest 1.00 2.00 3.00 1466 3333 2963 11 10 Ppm
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the...
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the structure of the unknown hydrocarbon? 100) 3. "19 127 141 158 189 188 107 211 225 241 20 40 60 80 100 120 140 160 180 200 220 240 An unknown compound with formula C H100, RVO negative tent with 2.4 dinitrophenylhydrazine; however, the unknown tested positive with the Jones reagent. When added to a solution of bromine dissolved in methylene, the reddin solution...
The simulated APT spectrum of a compound with the molecular formula C5H10 is shown below. Draw...
The simulated APT spectrum of a compound with the molecular formula C5H10 is shown below. Draw a structure that is consistent with this data. 1 150 140 130 120 140 100 90 80 70 60 50 40 30 20 10 6
Compound A has the molecular formula C10H14. a) Calculate the unsaturation number or IHD. b) Prov...
Compound A has the molecular formula C10H14.
a) Calculate the unsaturation number or IHD.
b) Provide the molecular ion observed in the mass spectrum,
including its units.
c) Propose a structure based on the carbon-13 NMR spectrum
given.
CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0
CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave...
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave an immediate precipitate when treated with 2,4- dinitrophenylhydrazine. When treated with the iodoform reagent, the unknown gara yellow precipitate. a. What is the structure of the unknown? What is the structure of the yellow precipitate that resulted when the compo was treated with the iodoform reagent? ita wi o mo 40 50 60 ther than ito 70 80 90 100 110 120 130 140...
Suggest a composition for the halogen compound whose mass spectrum is shown below and assign the labeled peaks. 127 100 173 160 158 162 25 48 TITTHTT 160 170 91 208 79 35 160 173 30 40 50 60 70 80 90...
Suggest a composition for the halogen compound whose mass
spectrum is shown below and assign the labeled peaks.
127 100 173 160 158 162 25 48 TITTHTT 160 170 91 208 79 35 160 173 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 m/z
127 100 173 160 158 162 25 48 TITTHTT 160 170 91 208 79 35 160 173 30 40 50 60 70 80 90 100...
Consider the mass spectrum below (taken from: Silverstein, Robert M.; Webster, Francis X. Spectro...
Consider the mass spectrum below (taken from: Silverstein, Robert M.; Webster, Francis X. Spectrometric Identification of Organic Compounds, 6th edition; John Wiley & Sons, New York: 1998). What is the formula of the compound? Hints: (a) the compound contains only C, H, and O; (b) use the ratio of the M+1 peak to the M* peak to decide on the number of carbons MASS 100- 90 80 M (122)-35.3 (100% of M) M 1 (123)3.12 M + 2 (124) 0.23...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
The mass spectrum of 2,6-dimethylheptan-4-ol is shown in appendix A. a) Draw the structure of this compound. b) Propose structures for the fragments at m/z 87, 111 and 126. 100 80 60 abundance 40 87 20 111 126 0 10 III 100'110' 120' 130 140 150 160 20 30 40 50 60 70 80 90 m/z.
Question 5: (11 marks) Compound B, which contains only carbon, hydrogen and oxygen atoms, shows the mass, IR, H NMR and C NMR spectra given below a) With brief explanation, deduce the structure of Compound B b) Explain the mass spectroscopic signals at m/z 122, 105 and 77. Mass Spectrum 122 M° 150 70 90 100 110 120 130 140 150 150 170 180 100 200 mve Infrared Spectrum Wave Number,cm- 4000 3000 250 2000150 13 1 11001000900 80 Wavelengihn,...
Please help with identifying this compound? Need to draw the
structure
14.01 Mass Spectrum 13C-NMR Spectrum CHO M**= 60 Relative Intensity 10 15 20 25 30 40 45 50 35 m/z 55 60 200 180 160 140 120 80 60 40 20 100 ppm IR Spectrum 1H-NMR Spectrum o Chem. shift Ret area Porto age are 3.5822.00 226 157 094 Singlet (hare some into the rest 1.00 2.00 3.00 1466 3333 2963 11 10 Ppm
2. . An unknown, non-branched saturated hydrocarbon has the mass spectrum s below. What is the structure of the unknown hydrocarbon? 100) 3. "19 127 141 158 189 188 107 211 225 241 20 40 60 80 100 120 140 160 180 200 220 240 An unknown compound with formula C H100, RVO negative tent with 2.4 dinitrophenylhydrazine; however, the unknown tested positive with the Jones reagent. When added to a solution of bromine dissolved in methylene, the reddin solution...
The simulated APT spectrum of a compound with the molecular formula C5H10 is shown below. Draw a structure that is consistent with this data. 1 150 140 130 120 140 100 90 80 70 60 50 40 30 20 10 6
Compound A has the molecular formula C10H14.
a) Calculate the unsaturation number or IHD.
b) Provide the molecular ion observed in the mass spectrum,
including its units.
c) Propose a structure based on the carbon-13 NMR spectrum
given.
CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0
CH3 CH Compound A CDCl3 160 140 120100 80 60 40 20 0
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave an immediate precipitate when treated with 2,4- dinitrophenylhydrazine. When treated with the iodoform reagent, the unknown gara yellow precipitate. a. What is the structure of the unknown? What is the structure of the yellow precipitate that resulted when the compo was treated with the iodoform reagent? ita wi o mo 40 50 60 ther than ito 70 80 90 100 110 120 130 140...
Suggest a composition for the halogen compound whose mass
spectrum is shown below and assign the labeled peaks.
127 100 173 160 158 162 25 48 TITTHTT 160 170 91 208 79 35 160 173 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 m/z
127 100 173 160 158 162 25 48 TITTHTT 160 170 91 208 79 35 160 173 30 40 50 60 70 80 90 100...
Consider the mass spectrum below (taken from: Silverstein, Robert M.; Webster, Francis X. Spectrometric Identification of Organic Compounds, 6th edition; John Wiley & Sons, New York: 1998). What is the formula of the compound? Hints: (a) the compound contains only C, H, and O; (b) use the ratio of the M+1 peak to the M* peak to decide on the number of carbons MASS 100- 90 80 M (122)-35.3 (100% of M) M 1 (123)3.12 M + 2 (124) 0.23...
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