Which of the following compounds generated the molecular ion pattern shown below in the high resolution El mass spectrum? HINT: There are two different peaks at m/z -200. A B Br Br Br 100 197.90109 199.97904 199.97814 201.97609 196.98445 20.9073299 201.98109 a.9828 203.98109 195.98109 197.98109 199.98109 205.98109 207. Mass e

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Can someone explain what the answer is (A,B,or C) and how they arrived at it?

**Title: Analyzing Molecular Ion Patterns in High-Resolution EI Mass Spectrometry**

**Text:**
Which of the following compounds generated the molecular ion pattern shown below in the high-resolution EI mass spectrum? HINT: There are two different peaks at m/z ~200.

**Compounds:**
- **A:** Contains a bromine (Br) and a chlorine (Cl) atom.
- **B:** Contains two bromine (Br) atoms.
- **C:** Contains two chlorine (Cl) atoms.

**Graph Description:**
The graph is a mass spectrum, illustrating the intensity (on the Y-axis) and the mass-to-charge ratio (m/z, on the X-axis).

**Key Features of the Spectrum:**
- **Significant Peaks:** Notable peaks are observed at approximately 197.98109 and 199.97904 m/z.
- **Additional Peaks:** Smaller peaks appear at intervals around 199.97814 and 201.97609 m/z.
- **Range:** The spectrum ranges from about 195 to 207 m/z.

These observations suggest the presence of isotopic patterns typical of halogenated compounds. Understanding these peaks helps identify the compound responsible based on isotopic distribution.
Transcribed Image Text:**Title: Analyzing Molecular Ion Patterns in High-Resolution EI Mass Spectrometry** **Text:** Which of the following compounds generated the molecular ion pattern shown below in the high-resolution EI mass spectrum? HINT: There are two different peaks at m/z ~200. **Compounds:** - **A:** Contains a bromine (Br) and a chlorine (Cl) atom. - **B:** Contains two bromine (Br) atoms. - **C:** Contains two chlorine (Cl) atoms. **Graph Description:** The graph is a mass spectrum, illustrating the intensity (on the Y-axis) and the mass-to-charge ratio (m/z, on the X-axis). **Key Features of the Spectrum:** - **Significant Peaks:** Notable peaks are observed at approximately 197.98109 and 199.97904 m/z. - **Additional Peaks:** Smaller peaks appear at intervals around 199.97814 and 201.97609 m/z. - **Range:** The spectrum ranges from about 195 to 207 m/z. These observations suggest the presence of isotopic patterns typical of halogenated compounds. Understanding these peaks helps identify the compound responsible based on isotopic distribution.
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