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Worksheet: Microwave Spectra of Diatomics

Q1:

An absorption spectrum for the diatomic molecule hydrogen iodide ( H I ) appears in the microwave region. Which transitions are most likely responsible for this spectrum?

  • AElectronic transitions
  • BPure vibrational transitions
  • CMore information is needed.
  • DPure rotational transitions

Q2:

Which of the following molecules will not exhibit a microwave rotational absorption spectrum?

  • A H O 2
  • B C H C l 3
  • C H C l
  • D C O 2

Q3:

Which of the following molecules will not exhibit a microwave rotational absorption spectrum?

  • A H O 2
  • B H C N
  • C H B r
  • D C l 2