FragmentationA.26 Label each of the following in the mass spectrum of hexan-2-ol[CH3CH(OH)CH2CH2CH2CH3]: the molecular ion, the base peak, the fragment resulting fromthe loss of H2O, and a cleavage fragments.10045Relative abundance50698487102↓00102030405060708090100 110

1: Molecular ion peak will be at m/z = 102, it appears at the highest mass-to-charge ratio(m/z) in…

Answered: Fragmentation A.26 Label each of the…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL2: Mass Spectrometry

Section: Chapter Questions

Problem 3E

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Identify the following in the given IR Mass spectrum. Compound 1 Mass Spectroscopy: Interpretation of peaks: Compound 1 Mass Spectroscopy: MASS SPECTRUM 100 80 60 40 20 0.0- 10 20 30 40 50 60 70 m/z Interpretation of peaks: Rel. Intensity
Label each of the attached in the mass spectrum of hexan-2-ol[CH3CH(OH)CH2CH2CH2CH3]: the molecular ion, the base peak, thefragment resulting from the loss of H2O, and α cleavage fragments
Based on the mass spectrum shown below, 100 73 HO 80 A 58 20 100 10 20 30 40 50 100 60 70 m/z 80 90 110 (i) identify the molecular ion peak of compound A. (ii) explain how the labelled fragments are formed. Relative Intensity
The mass spectrum of compound B is shown below. 100 180 80 181 77 В 182 20 104 25 50 75 100 125 150 175 200 m/z (i) Identify the molecular ion peak of compound B. (ii) Explain the peak at m/z 182 in terms of intensity. (iii) Explain the formation of the other labelled fragments (m/z 180, 104 and 77). Relative Intensity
1. The two mass spectra below correspond to two isomers of C5H10O2: methyl butanoate and valeric acid. Match the spectrum with the appropriate compound. Place the m/z ratio and the structures (show all atoms) for the labeled fragments in the table below. 100 - Compound MS-NU-1708 Methyl butanoate 80 - 1 60 - 40 - CH3 2 H3C 20 - 10 20 30 40 50 60 70 80 90 100 m/z 100 - Compound MS-NU-3125 3 80 - Valeric acid 60 - 4 40 - H3C 20 - 10 20 30 40 50 60 70 80 90 100 m/z Fragment 1 Fragment 2 Fragment 3 Fragment 4 m/z 74 87 Fragment Relative Intensity
7
Assign molecules B, C, D and F to the correct mass spectrum and provide the structure of thebase peak. draw the assigned molecules
(a) Based on the mass spectrum shown below, 100 73 LOH 80 - A 58 20 - 100 10 20 30 40 50 60 70 80 90 100 110 m/z (i) identify the molecular ion peak of compound A. (ii) explain how the labelled fragments are formed. Relative Intensity
Which one of the given compounds is consistent with the mass spectrum below? Relative Intensity 100 80 60 40 20 MG-IM-3440 ofm 10 O 20 30 60 CH3CH₂CH(CH3)2 CH3CHOHCH₂CH3 CH3CH₂OCH₂CH3 CH3CH₂NHCH₂CH3 CH3CH₂CH₂CH3 80 wwwwwwwwww 90 70 m/z Courtesy of SDBS: National Institute of Advanced Industrial Science and Technology 100 www. 110 120
B. MASS SPECTRUM Identify the following from the low resolution mass spectrum of the unknown compound: 100 Relative intensity LT. 80 80 60 40 20 Base peak 0 20 Molecular lon peak 40 Mass Spectrum of Compound P 121 152 60 C. DOUBLE BOND EQUIVALENTS Calculate the DBE of the unknown compound. m/z This information indicates, for example, the presence of 100 Mass spectrum of the compound. 120 140 160 a + x
FRAGMENTS MISSING, THANK YOU!
Interpretation of the peaks?IUPAC Name / Trivial Name of the compound?

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Fragmentation A.26 Label each of the following in the mass spectrum of hexan-2-ol [CH3CH(OH)CH2CH2CH2CH3]: the molecular ion, the base peak, the fragment resulting from the loss of H2O, and a cleavage fragments. 100 45 Relative abundance 50 69 8487 102 ↓ 0 0 10 20 30 40 50 60 70 80 90 100 110