Mass Spectroscopy Introduction
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Questions and Answers

Which fragment ion is most likely formed from the loss of CO (m/z= 77) in an aromatic carbonyl compound?

  • HPLC
  • G· (M – 1,15, 29…)
  • MS-MS
  • C6H5CO+ (m/z=105) (correct)
  • In the context of aromatic carbonyl compounds, what is the primary purpose of an Alpha-cleavage?

  • To form C6H5CO+ ion (correct)
  • To increase molecular weight
  • To form G· ion
  • To perform tandem mass spectrometry
  • What method involves the hyphenated technique LC-MS?

  • High-performance liquid chromatography (correct)
  • Tandem mass spectrometry
  • Reporting Mass Spec Data
  • Gas chromatography
  • Which feature distinguishes GC-MS from LC-MS?

    <p>Use of gas chromatography</p> Signup and view all the answers

    What is the purpose of tandem mass spectrometry?

    <p>To analyze compounds in sequence</p> Signup and view all the answers

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