I can't understand why this spectrum is 2,3-Dimethylbutane and not 2-methyl pentane. Can you explain the answer and show fragments? Thank you so much.

Chemistry
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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
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I can't understand why this spectrum is 2,3-Dimethylbutane and not 2-methyl pentane. Can you explain the answer and show fragments? Thank you so much. 

 

 

This image depicts a mass spectrum, which is a graphical representation of the mass-to-charge ratio (m/z) of ions present in a sample.

**Axes:**
- The x-axis is labeled as "m/z" (mass-to-charge ratio), with values ranging from 0 to 100.
- The y-axis represents the relative intensity of the ions, although it is unlabeled.

**Key Peaks:**
- The most prominent peak is at m/z = 43, indicating a high relative intensity for ions with this mass-to-charge ratio.
- Other significant peaks appear at m/z = 71 and m/z = 86, indicating notable but lesser intensity than the peak at 43.
- Smaller peaks can be observed at various points between these major peaks, contributing to the overall spectrum pattern.

This spectrum provides important information about the sample's composition, often used in fields like chemistry and biochemistry to identify substances and determine molecular structures.
Transcribed Image Text:This image depicts a mass spectrum, which is a graphical representation of the mass-to-charge ratio (m/z) of ions present in a sample. **Axes:** - The x-axis is labeled as "m/z" (mass-to-charge ratio), with values ranging from 0 to 100. - The y-axis represents the relative intensity of the ions, although it is unlabeled. **Key Peaks:** - The most prominent peak is at m/z = 43, indicating a high relative intensity for ions with this mass-to-charge ratio. - Other significant peaks appear at m/z = 71 and m/z = 86, indicating notable but lesser intensity than the peak at 43. - Smaller peaks can be observed at various points between these major peaks, contributing to the overall spectrum pattern. This spectrum provides important information about the sample's composition, often used in fields like chemistry and biochemistry to identify substances and determine molecular structures.
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