Homework Answers
The post transition metal present in the given organometallic compound is bismuth (Bi).
The atomic weight of 'Bi' is 208.9804, which falls in the range of 201.0247 to 216.0352
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3. The following organometallic compound was run on an El-MS and the parent ion is shown...
CH3 Cl 100 Base 10) The El-MS of 2-chloro-2- methylpropane is shown at right. Draw the...
CH3 Cl 100 Base 10) The El-MS of 2-chloro-2- methylpropane is shown at right. Draw the structure of the cation corresponding to the base peak. Clearly indicate where the charge resides. You need only show one of the two resonance forms. MS-NW-1505 no parent ion detected 92- Relative Intensity 10 15 20 25 30 35 40 55 60 65 70 75 80 45 50 m/z The 3:1 ratio of peak intensities at 77 and 79 m/z in the El-MS above...
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks...
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively. Use the information provided to determine the formula of the compound 100 MS-NW-5495 80 60 40 20 шшшl 110 10 20 30 40 50 60 70 80 90 100 m/z Relative Intensity
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively....
The diagram shown below represents the mass spectrum (MS data) for which of the following compounds?...
The diagram shown below represents the mass spectrum (MS data) for which of the following compounds? 100 31 80 29 32 60 relative abundance 40 20 0 15 .. 10 20 30 mass/charge ratio (m/z) 0 40 CH3OH CH3CH3 CH3NH2 OCH3CH2NH2 CH3CH2OH
2. Match the electron impact (El) mass spectrum with the correct structure from the choices below....
2. Match the electron impact (El) mass spectrum with the correct structure from the choices below. of the fragments in the El spectra of the following molecules (write the correct letter in the upper left-hand corner of the spectra). Draw the structure of the indicated fragments (*) С В OH H *(43) *(71) *(43) 100 HS--1 100- -N-113 во- 80- 60- 60- 40- 40- 20- 20- m/z m/z 3. Predict the molecular ion peak pattern (El spectrum low resolution) for...
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100...
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100 m 2) was analyzed by mass spectrometry and gave the spectra shown below. Based on the MS spectrum and considering possible fragmentation of the hydrocarbon, which of the molecules provided corresponds to this spectrum? 100- m/z = 57 Da Relative Intensity m/z = 85 Da Expected molecular ion (not observed) 10 20 30 40 tillo el origen los 50 60 70 80 90 100...
5. Draw a structure for and name a compound that is consistent with compound that is...
5. Draw a structure for and name a compound that is consistent with compound that is consistent with the following MS. abundance 73 M 80 90 100 110 120 130 140 150 160 10 20 30 40 50 60 70 m/z Question 5: Structure and name: Mass Spectrum (include the molecular ion) Observed Fragment & MW Expected MW Fragmentation type Explanation:
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100 m 2) was analyzed by mass...
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100 m 2) was analyzed by mass spectrometry and gave the spectra shown below. Based on the MS spectrum and considering possible fragmentation of the hydrocarbon, which of the molecules provided corresponds to this spectrum? 100- m/z = 57 Da Relative Intensity m/z = 85 Da Expected molecular ion (not observed) 10 20 30 40 tillo el origen los 50 60 70 80 90 100...
Determine the number of carbons, halogens, and Identify the compound in each sample (name and formula)....
Determine the number of carbons, halogens, and Identify the
compound in each sample (name and formula).
I NEED BOTH. They both go together
100 T 80- 60 20- 0.0 0.0 40 80 120 160 200 m/z Figure 4A. Mass spectrum (El) of an unknown organic compoun Br, and/or C. d. Assume only C, H, Rel. Intensity MASS SPECTRUM 50 40. 0.0 168 172. Figure 4B. Isotope cluster for the compound from Figure 4A. Relative abundance of m/z 172 is approximately...
a) Describe the difference between the base peak and the parent ion (or molecular ion) peak....
a) Describe the difference between the base peak and the parent
ion (or molecular ion) peak.
b) Identify the base peak and the parent ion (or molecular ion)
peak (if any) according to the mass spectrum.
c) Identify the mass fragments which correspond to m/z = 77,
105, 111, and 139.
d) Identify and give explanations for the magnitude (or
intensity) of the peaks at m/z = 113, 141, and 218.
Mass Spectrum ofp-C hlorobenzophenone 105 100 80 139 CI...
14. Explain the difference in the appearance of the two mass spectra below: 31 43 El-MS...
14. Explain the difference in the appearance of the two mass spectra below: 31 43 El-MS CH2COCZH6CHO 60 | 55 97 | | | 61 122 لالالالالا 157 15/ Abundance 120 140 160 180 200 220 240 40 60 80 100 100 7 CI-MS (METHANE) 123 M = 200 للننليلنا 141 201 100 120 160 180 200 220 240 140 miz
CH3 Cl 100 Base 10) The El-MS of 2-chloro-2- methylpropane is shown at right. Draw the structure of the cation corresponding to the base peak. Clearly indicate where the charge resides. You need only show one of the two resonance forms. MS-NW-1505 no parent ion detected 92- Relative Intensity 10 15 20 25 30 35 40 55 60 65 70 75 80 45 50 m/z The 3:1 ratio of peak intensities at 77 and 79 m/z in the El-MS above...
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively. Use the information provided to determine the formula of the compound 100 MS-NW-5495 80 60 40 20 шшшl 110 10 20 30 40 50 60 70 80 90 100 m/z Relative Intensity
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively....
The diagram shown below represents the mass spectrum (MS data) for which of the following compounds? 100 31 80 29 32 60 relative abundance 40 20 0 15 .. 10 20 30 mass/charge ratio (m/z) 0 40 CH3OH CH3CH3 CH3NH2 OCH3CH2NH2 CH3CH2OH
2. Match the electron impact (El) mass spectrum with the correct structure from the choices below. of the fragments in the El spectra of the following molecules (write the correct letter in the upper left-hand corner of the spectra). Draw the structure of the indicated fragments (*) С В OH H *(43) *(71) *(43) 100 HS--1 100- -N-113 во- 80- 60- 60- 40- 40- 20- 20- m/z m/z 3. Predict the molecular ion peak pattern (El spectrum low resolution) for...
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100 m 2) was analyzed by mass spectrometry and gave the spectra shown below. Based on the MS spectrum and considering possible fragmentation of the hydrocarbon, which of the molecules provided corresponds to this spectrum? 100- m/z = 57 Da Relative Intensity m/z = 85 Da Expected molecular ion (not observed) 10 20 30 40 tillo el origen los 50 60 70 80 90 100...
5. Draw a structure for and name a compound that is consistent with compound that is consistent with the following MS. abundance 73 M 80 90 100 110 120 130 140 150 160 10 20 30 40 50 60 70 m/z Question 5: Structure and name: Mass Spectrum (include the molecular ion) Observed Fragment & MW Expected MW Fragmentation type Explanation:
16. A hydrocarbon with a molecular weight of 100 Da (and expected molecular ion at 100 m 2) was analyzed by mass spectrometry and gave the spectra shown below. Based on the MS spectrum and considering possible fragmentation of the hydrocarbon, which of the molecules provided corresponds to this spectrum? 100- m/z = 57 Da Relative Intensity m/z = 85 Da Expected molecular ion (not observed) 10 20 30 40 tillo el origen los 50 60 70 80 90 100...
Determine the number of carbons, halogens, and Identify the
compound in each sample (name and formula).
I NEED BOTH. They both go together
100 T 80- 60 20- 0.0 0.0 40 80 120 160 200 m/z Figure 4A. Mass spectrum (El) of an unknown organic compoun Br, and/or C. d. Assume only C, H, Rel. Intensity MASS SPECTRUM 50 40. 0.0 168 172. Figure 4B. Isotope cluster for the compound from Figure 4A. Relative abundance of m/z 172 is approximately...
a) Describe the difference between the base peak and the parent
ion (or molecular ion) peak.
b) Identify the base peak and the parent ion (or molecular ion)
peak (if any) according to the mass spectrum.
c) Identify the mass fragments which correspond to m/z = 77,
105, 111, and 139.
d) Identify and give explanations for the magnitude (or
intensity) of the peaks at m/z = 113, 141, and 218.
Mass Spectrum ofp-C hlorobenzophenone 105 100 80 139 CI...
14. Explain the difference in the appearance of the two mass spectra below: 31 43 El-MS CH2COCZH6CHO 60 | 55 97 | | | 61 122 لالالالالا 157 15/ Abundance 120 140 160 180 200 220 240 40 60 80 100 100 7 CI-MS (METHANE) 123 M = 200 للننليلنا 141 201 100 120 160 180 200 220 240 140 miz
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