Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Mass Spectrometry
This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is als…
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### Identifying the Structure Producing the Mass Spectra #### Problem Statement: Indicate which structure produces the mass spectra below. Submit your answer as a single letter with no abbreviation. #### Mass Spectrum Explanation: The mass spectrum provided displays the following key peaks (m/z is the mass-to-charge ratio): - A peak at m/z = 29 - A large peak at m/z = 45 - A peak at m/z = 74 The y-axis represents the relative intensity of the detected ions, ranging from 0 to 100. The x-axis represents the m/z values, ranging from 10 to 120. #### Provided Structures: Below the mass spectrum, six chemical structures are shown with labels (a) to (f): **Structure (a):** ``` O | | CH3-C-CH3 ``` **Structure (b):** ``` O | | CH3-O-CH2-CH3 ``` **Structure (c):** ``` CH3-CH2-NH2 ``` **Structure (d):** ``` H | CH3-CH2-NH-CH3 ``` **Structure (e):** ``` CH3-CH-O-CH2-CH3 ``` #### Answer Section: - **Answer:** Please match the observed peaks with the given structures to determine which structure corresponds to the provided mass spectrum. **Answer**: ____ > Note: When you submit the answer, make sure to provide the answer as a single letter (a, b, c, d, e, or f) without any abbreviation.
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Transcribed Image Text:### Identifying the Structure Producing the Mass Spectra #### Problem Statement: Indicate which structure produces the mass spectra below. Submit your answer as a single letter with no abbreviation. #### Mass Spectrum Explanation: The mass spectrum provided displays the following key peaks (m/z is the mass-to-charge ratio): - A peak at m/z = 29 - A large peak at m/z = 45 - A peak at m/z = 74 The y-axis represents the relative intensity of the detected ions, ranging from 0 to 100. The x-axis represents the m/z values, ranging from 10 to 120. #### Provided Structures: Below the mass spectrum, six chemical structures are shown with labels (a) to (f): **Structure (a):** ``` O | | CH3-C-CH3 ``` **Structure (b):** ``` O | | CH3-O-CH2-CH3 ``` **Structure (c):** ``` CH3-CH2-NH2 ``` **Structure (d):** ``` H | CH3-CH2-NH-CH3 ``` **Structure (e):** ``` CH3-CH-O-CH2-CH3 ``` #### Answer Section: - **Answer:** Please match the observed peaks with the given structures to determine which structure corresponds to the provided mass spectrum. **Answer**: ____ > Note: When you submit the answer, make sure to provide the answer as a single letter (a, b, c, d, e, or f) without any abbreviation.
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