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When Identifying the Molecular Ion Peak, ,All of the Following

Question 8

Multiple Choice

When identifying the molecular ion peak, When identifying the molecular ion peak, ,all of the following must be kept in mind,except: A) Will be the highest m/z value of any of the significant peaks in the spectrum that can not be attributed to isotopes or background. B) intensities of isotopic peaks M+1,M+2 and so forth must be consistent with the proposed formula. C) Will be at least 70% of the base peak. D) the peak for the heaviest fragment ion should not correspond to an improbable mass loss from ) E) if a fragment ion is known to contain X atoms of element Z,then there must be at least X atoms of element Z in the molecular ion. ,all of the following must be kept in mind,except:


A) When identifying the molecular ion peak, ,all of the following must be kept in mind,except: A) Will be the highest m/z value of any of the significant peaks in the spectrum that can not be attributed to isotopes or background. B) intensities of isotopic peaks M+1,M+2 and so forth must be consistent with the proposed formula. C) Will be at least 70% of the base peak. D) the peak for the heaviest fragment ion should not correspond to an improbable mass loss from ) E) if a fragment ion is known to contain X atoms of element Z,then there must be at least X atoms of element Z in the molecular ion.
Will be the highest m/z value of any of the "significant" peaks in the spectrum that can not be attributed to isotopes or background.
B) intensities of isotopic peaks M+1,M+2 and so forth must be consistent with the proposed formula.
C) When identifying the molecular ion peak, ,all of the following must be kept in mind,except: A) Will be the highest m/z value of any of the significant peaks in the spectrum that can not be attributed to isotopes or background. B) intensities of isotopic peaks M+1,M+2 and so forth must be consistent with the proposed formula. C) Will be at least 70% of the base peak. D) the peak for the heaviest fragment ion should not correspond to an improbable mass loss from ) E) if a fragment ion is known to contain X atoms of element Z,then there must be at least X atoms of element Z in the molecular ion.
Will be at least 70% of the base peak.
D) the peak for the heaviest fragment ion should not correspond to an improbable mass loss from
When identifying the molecular ion peak, ,all of the following must be kept in mind,except: A) Will be the highest m/z value of any of the significant peaks in the spectrum that can not be attributed to isotopes or background. B) intensities of isotopic peaks M+1,M+2 and so forth must be consistent with the proposed formula. C) Will be at least 70% of the base peak. D) the peak for the heaviest fragment ion should not correspond to an improbable mass loss from ) E) if a fragment ion is known to contain X atoms of element Z,then there must be at least X atoms of element Z in the molecular ion.
)
E) if a fragment ion is known to contain X atoms of element Z,then there must be at least X atoms of element Z in the molecular ion.

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