what does the base peak at 57m/z represents in the mass Spectra of 2-chlorobutane
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what does the base peak at 57m/z represents in the
mass Spectra of 2-chlorobutane
20 30...
Problem A.1 Label the molecular ion, the base peak, and the M + 1 peak in...
Problem A.1 Label the molecular ion, the base peak, and the M + 1 peak in the mass spectrum of pentane (CHO). 100 Relative abundance 50 06 0 10 20 30 40 60 70 80 50 m/z 90 100
using the following mass spectra data, answer the following questions 2. Using the following mass spectra...
using the following mass spectra data, answer the following
questions
2. Using the following mass spectra data, answer the following questions 43 70 50 85 57 30 20 101 29 71 100 0 20 30 4 500 TO 100 110 m/z a. Given that the compound contains only Carbon and hydrogen, what would be the molecular formula? b. Which peak is represents the molecular ion? c. Which peak represents the base peak?
Identify which of these four mass spectra indicate the presence of sulfur, chlorine, bromine, iondine, nitrogen....
Identify which of these four mass spectra indicate the
presence of sulfur, chlorine, bromine, iondine, nitrogen. suggest a
molecular formula for each.
2otten breaks sh ass spec er be mass PROBLEM 12-7 Identify which of these four mass spectra indicate the presence of sulfur, chlorine bromine, iodine, or nitrogen. Suggest a molecular formula for each. AA gIve the lonica 100 77 80 156 158 (a) 60 40 20 Fragn 10 20 30 40 50 60 70 80 100 110 120...
please help me figure out what the compound is. thanks MASS % of Base Peak 1267...
please help me figure out what the compound is.
thanks
MASS % of Base Peak 1267 TITTI 60 70 80 90 100 110 20 m/z % Transmittance -3344 2958 -2931 2873 -1466L JIEEI- -849 4000 3000 1000 2000 Wavenumber (cm-?) 'H NMR 300 MHZ 3.5 3.0 2.5 1.5 10 ppm 13C/DEPT NMR 75.5 MHz 84 82 80 78 ppm 85 80 75 70 65 60 55 50 45 40 35 30 25 20 ppm
2. Draw the structure of the cation responsible for the base peak (m/z=58) in the mass...
2. Draw the structure of the cation responsible for the base
peak (m/z=58) in the mass spectrum of 3-aminopentane shown
below:
3. Below is given the mass spectrum of a simple alkane. What is
the chemical formula of the alkane? What is the name of the alkane?
Explain how you determined the exact structure of the alkane from
the observed fragments.
4. Below is a mass spectrum of an ester. Identify the ester.
Consider that the dominant fragmentation pathway involves...
The m/z of the M+ peak of an unknown is 146, and this peak is the base peak (i.e., the tallest pe...
The m/z of the M+ peak of an unknown is 146, and this peak is the base peak (i.e., the tallest peak). (See below mass spectrum of the unknown.) Combustion analysis data indicate 49.03% carbon and 2.74% hydrogen. The IR spectrum and 13C-NMR spectrum of this compound also were obtained and are shown below. Given this information, what is the name of this unknown molecule? MASS SPECTRUM 100 80 60 面 40 20 0.0 120 160 40 80 0.0 m/z...
mass spectrometry matching to graphs 1. (2 points) Match the following mass spectra below to the...
mass spectrometry matching to graphs
1. (2 points) Match the following mass spectra below to the correct structure below. One structure per spectra. All four compounds will not be used. A) CH:CH-CH(CH3)2 B) CH:CHOHCH.CH C) CH.CH:OCHCH D) CH:CH NHCH.CH Relative Intensity 10 20 30 40 50 60 80 90 100 110 120 70 /z m Relative intensity
sro Refer to the mass spectrum of 2-methylbutae shown below to za tebe 100- 80 60...
sro Refer to the mass spectrum of 2-methylbutae shown below to za tebe 100- 80 60 Relative htensity 40 20 72 0 10 20 30 40 50 80 90 100 110 12 80 70 m/z The peak at a mz of represents the following species. -CH.CH
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88...
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88 g/mol. A) (1 point) The broad peak at -3100 cm and the strong peak at 1700 cm' combined indicate the presence of what functional group? B) (1 point) How many hydrogen neighbors does the septet at 2.6 ppm in the 'H NMR spectrum have? C) (1 point) What functional group is indicated by the peak at 184 ppm in the C spectrum? D) (1...
what are possible structures for each spectra 100 MS 80 - 60 Relative Intensity 40 20-...
what are possible structures for each spectra
100 MS 80 - 60 Relative Intensity 40 20- 0 10 20 30 40 60 70 80 50 m/z 100- 80 Relative Intensity 40 20 0 10 15 20 25 30 35 40 50 55 60 65 70 75 80 45 m/z
Problem A.1 Label the molecular ion, the base peak, and the M + 1 peak in the mass spectrum of pentane (CHO). 100 Relative abundance 50 06 0 10 20 30 40 60 70 80 50 m/z 90 100
using the following mass spectra data, answer the following
questions
2. Using the following mass spectra data, answer the following questions 43 70 50 85 57 30 20 101 29 71 100 0 20 30 4 500 TO 100 110 m/z a. Given that the compound contains only Carbon and hydrogen, what would be the molecular formula? b. Which peak is represents the molecular ion? c. Which peak represents the base peak?
Identify which of these four mass spectra indicate the
presence of sulfur, chlorine, bromine, iondine, nitrogen. suggest a
molecular formula for each.
2otten breaks sh ass spec er be mass PROBLEM 12-7 Identify which of these four mass spectra indicate the presence of sulfur, chlorine bromine, iodine, or nitrogen. Suggest a molecular formula for each. AA gIve the lonica 100 77 80 156 158 (a) 60 40 20 Fragn 10 20 30 40 50 60 70 80 100 110 120...
please help me figure out what the compound is.
thanks
MASS % of Base Peak 1267 TITTI 60 70 80 90 100 110 20 m/z % Transmittance -3344 2958 -2931 2873 -1466L JIEEI- -849 4000 3000 1000 2000 Wavenumber (cm-?) 'H NMR 300 MHZ 3.5 3.0 2.5 1.5 10 ppm 13C/DEPT NMR 75.5 MHz 84 82 80 78 ppm 85 80 75 70 65 60 55 50 45 40 35 30 25 20 ppm
2. Draw the structure of the cation responsible for the base
peak (m/z=58) in the mass spectrum of 3-aminopentane shown
below:
3. Below is given the mass spectrum of a simple alkane. What is
the chemical formula of the alkane? What is the name of the alkane?
Explain how you determined the exact structure of the alkane from
the observed fragments.
4. Below is a mass spectrum of an ester. Identify the ester.
Consider that the dominant fragmentation pathway involves...
The m/z of the M+ peak of an unknown is 146, and this peak is the base peak (i.e., the tallest peak). (See below mass spectrum of the unknown.) Combustion analysis data indicate 49.03% carbon and 2.74% hydrogen. The IR spectrum and 13C-NMR spectrum of this compound also were obtained and are shown below. Given this information, what is the name of this unknown molecule? MASS SPECTRUM 100 80 60 面 40 20 0.0 120 160 40 80 0.0 m/z...
mass spectrometry matching to graphs
1. (2 points) Match the following mass spectra below to the correct structure below. One structure per spectra. All four compounds will not be used. A) CH:CH-CH(CH3)2 B) CH:CHOHCH.CH C) CH.CH:OCHCH D) CH:CH NHCH.CH Relative Intensity 10 20 30 40 50 60 80 90 100 110 120 70 /z m Relative intensity
sro Refer to the mass spectrum of 2-methylbutae shown below to za tebe 100- 80 60 Relative htensity 40 20 72 0 10 20 30 40 50 80 90 100 110 12 80 70 m/z The peak at a mz of represents the following species. -CH.CH
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88 g/mol. A) (1 point) The broad peak at -3100 cm and the strong peak at 1700 cm' combined indicate the presence of what functional group? B) (1 point) How many hydrogen neighbors does the septet at 2.6 ppm in the 'H NMR spectrum have? C) (1 point) What functional group is indicated by the peak at 184 ppm in the C spectrum? D) (1...
what are possible structures for each spectra
100 MS 80 - 60 Relative Intensity 40 20- 0 10 20 30 40 60 70 80 50 m/z 100- 80 Relative Intensity 40 20 0 10 15 20 25 30 35 40 50 55 60 65 70 75 80 45 m/z
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