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None of the following is determined from a proton spectrum except

  • A.the molar absorptivity of the compound
  • B.the ratio of the different kinds of hydrogen present
  • C.the molecular mass of the compound
  • D.the boiling point of the compound

Answer: B

Integration of the signal areas gives the relative numbers of each kind of proton, which is often decisive for a structure. Molecular mass comes from mass spectrometry and molar absorptivity from ultraviolet measurement.

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