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The compound that gave this mass spectrum probably contains: a) nitrogen b) bromine c) chlorine d) sulfur 100 - MS-NW-2127 80 60 ve Intensity

The compound that gave this mass spectrum probably contains: a) nitrogen b) bromine c) chlorine d) sulfur 100 - MS-NW-2127 80 60 ve Intensity

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Mass Spectrometry Analysis: Compound Identification** --- **The compound that gave this mass spectrum probably contains:** - a) nitrogen - b) bromine - c) chlorine - d) sulfur **Explanation of the Graph** The graph presented is a mass spectrum, which is a plot showing the relative intensity of detected ions as a function of their mass-to-charge ratio (m/z). The x-axis represents the m/z values, ranging from 10 to 120. The y-axis represents the relative intensity of the detected ions, scaled from 0 to 100. **Key Features of the Mass Spectrum:** - **Prominent Peaks:** - A prominent peak with high relative intensity is observed at an m/z value of approximately 79 and a slightly smaller, closely spaced peak at approximately 81. This is indicative of bromine isotopes (^79Br and ^81Br) as the peaks are approximately in a 1:1 ratio, characteristic of bromine. - Other peaks are observed at lower m/z values, specifically around m/z = 20-30, which are likely due to fragmentation patterns of the molecule containing bromine. - **Interpretation:** - Bromine has two naturally occurring isotopes with almost equal abundance, leading to two nearly equal intensity peaks approximately two m/z units apart. The presence of such a pattern is a strong indicator that the compound contains bromine. Given the pattern observed in the mass spectrum, the compound most likely contains bromine. **Correct Answer:** - b) bromine
Transcribed Image Text:**Mass Spectrometry Analysis: Compound Identification** --- **The compound that gave this mass spectrum probably contains:** - a) nitrogen - b) bromine - c) chlorine - d) sulfur **Explanation of the Graph** The graph presented is a mass spectrum, which is a plot showing the relative intensity of detected ions as a function of their mass-to-charge ratio (m/z). The x-axis represents the m/z values, ranging from 10 to 120. The y-axis represents the relative intensity of the detected ions, scaled from 0 to 100. **Key Features of the Mass Spectrum:** - **Prominent Peaks:** - A prominent peak with high relative intensity is observed at an m/z value of approximately 79 and a slightly smaller, closely spaced peak at approximately 81. This is indicative of bromine isotopes (^79Br and ^81Br) as the peaks are approximately in a 1:1 ratio, characteristic of bromine. - Other peaks are observed at lower m/z values, specifically around m/z = 20-30, which are likely due to fragmentation patterns of the molecule containing bromine. - **Interpretation:** - Bromine has two naturally occurring isotopes with almost equal abundance, leading to two nearly equal intensity peaks approximately two m/z units apart. The presence of such a pattern is a strong indicator that the compound contains bromine. Given the pattern observed in the mass spectrum, the compound most likely contains bromine. **Correct Answer:** - b) bromine
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