The mass spectrum of compound C, with a molecular formula C8H7BrO2 is shown below. 1.Draw the most likely ion fragment for the signals at m/z 155, 159, 183, and 185.Explain why these signals appear as pairs with almost similar intensities in the mass spectrum. 2.Identify and draw the structure of compound C.

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter12: Structure Determination: Mass Spectrometry And Infrared Spectroscopy
Section12.SE: Something Extra
Problem 41AP: The mass spectrum (a) and the infrared spectrum (b) of an unknown hydrocarbon are shown. Propose as...
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The mass spectrum of compound C, with a molecular formula C8H7BrO2 is shown below.

1.Draw the most likely ion fragment for the signals at m/z 155, 159, 183, and 185.Explain why these signals appear as pairs with almost similar intensities in the mass spectrum.

2.Identify and draw the structure of compound C.

The mass spectrum of compound C, with a molecular formula CaH7BrO2 is shown below.
100
m/z Keamatan/
Intensity
45.4
23.5
43.8
43.5
5.2
38.2
37.1
100.0
97.0
35.3
34.4
MS-NU-1561
50.0
74.0
75.0
76.0
135.0
155.0
157.0
183.0
185.0
214.0
80
40
216.0
40
60
80
100
120
140
160
180
200
220
m/z
20
20
Relative Intensity
Transcribed Image Text:The mass spectrum of compound C, with a molecular formula CaH7BrO2 is shown below. 100 m/z Keamatan/ Intensity 45.4 23.5 43.8 43.5 5.2 38.2 37.1 100.0 97.0 35.3 34.4 MS-NU-1561 50.0 74.0 75.0 76.0 135.0 155.0 157.0 183.0 185.0 214.0 80 40 216.0 40 60 80 100 120 140 160 180 200 220 m/z 20 20 Relative Intensity
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