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Questions and Answers
What is a consequence of molecular ions formed by EI mass spectrometry being highly energetic species?
What is a consequence of molecular ions formed by EI mass spectrometry being highly energetic species?
- They are highly stable.
- They undergo rearrangements. (correct)
- They are always singly charged.
- They cannot undergo fragmentation.
What can happen to molecular ions formed by EI mass spectrometry in the case of complex molecules?
What can happen to molecular ions formed by EI mass spectrometry in the case of complex molecules?
- They only undergo rearangements.
- They only undergo homolytic cleavage.
- Many reactions can occur, including homolytic cleavage, heterolytic cleavage, and rearrangements. (correct)
- They only undergo heterolytic cleavage of bonds.
What is formed by EI mass spectrometry?
What is formed by EI mass spectrometry?
- Only molecular ions.
- Neither molecular ions nor fragmented ions.
- Molecular ions and fragmented ions. (correct)
- Only fragmented ions.
What do M+ and M+1 peaks in a mass spectrum correspond to?
What do M+ and M+1 peaks in a mass spectrum correspond to?
What can be determined by analyzing the M++, M++1, and M++2 peaks in a mass spectrum?
What can be determined by analyzing the M++, M++1, and M++2 peaks in a mass spectrum?