Homework Answers
SOLN 1
The structure of methyl chloride is CH3Cl
the m/z peak at 50 is due to CH3CL in which Cl is Cl-35 which is 100% abundant
almost 1/3 peak at 52 is M+2 peak due to Cl-37 which is only 33% abundant
and peak at 15 will correspond to CH3+ ion
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1. Provide structures for the following peaks in the mass spectrum for methyl chloride 15, 49,...
sec-butylamine, isobutylamine, and tert 4. The mass spectra of three isomerle butylamine, are given below. Decide...
sec-butylamine, isobutylamine, and tert 4. The mass spectra of three isomerle butylamine, are given below. Decide which spectrum belongs to which amine, and write equations justifying your conclusions 30 50 40 20 60 80 100 120 140 160 20 40 30 50 10 0 160 140 120 100 80 60 40 20 160 140 120 100 80 40 20 60 0 ం 8 ర
40 60 100 120 140 160 2. Two mass spectra are shown below. One is that of 2-pentanone and the other is of 3- pentanone....
40 60 100 120 140 160 2. Two mass spectra are shown below. One is that of 2-pentanone and the other is of 3- pentanone. Which is which? Show how you made your decision. 3-pentanone to 40 60 80 100 120 140 160 60 80 100 120 20 40 140 160
The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B,...
The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the base peak(s). 45 55 18 26 on 10 20 30 40 50 60 70 80 90 100 MIZ 110 120 130 140 150 160 170 The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the M peak(s) (unfragmented parent). 135 27 45...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm 'H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm "H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound Mass Spectrum parent peaks (M) are listed for all ex...
Information: Each spectra below was obtained from a pure compound Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm *H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR pea ks listed are strong (s) unless otherwise indicated for signals above 1500 cm H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an...
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0...
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1 80 $i-CH3 60 40 mtt O 40 zO 60 140 160 180 200 100 1ZO m/z Relative Intensity
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm 'H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
sec-butylamine, isobutylamine, and tert 4. The mass spectra of three isomerle butylamine, are given below. Decide which spectrum belongs to which amine, and write equations justifying your conclusions 30 50 40 20 60 80 100 120 140 160 20 40 30 50 10 0 160 140 120 100 80 60 40 20 160 140 120 100 80 40 20 60 0 ం 8 ర
40 60 100 120 140 160 2. Two mass spectra are shown below. One is that of 2-pentanone and the other is of 3- pentanone. Which is which? Show how you made your decision. 3-pentanone to 40 60 80 100 120 140 160 60 80 100 120 20 40 140 160
The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the base peak(s). 45 55 18 26 on 10 20 30 40 50 60 70 80 90 100 MIZ 110 120 130 140 150 160 170 The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the M peak(s) (unfragmented parent). 135 27 45...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm 'H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm "H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm *H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR pea ks listed are strong (s) unless otherwise indicated for signals above 1500 cm H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an...
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1 80 $i-CH3 60 40 mtt O 40 zO 60 140 160 180 200 100 1ZO m/z Relative Intensity
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm 'H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important...
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