Atomic Physics: Absorption and Emission
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Questions and Answers

What is the wavelength range for the UV absorption process involving σ → σ* and σ → π* transitions?

  • Visible light
  • Microwave radiation
  • Infrared light
  • Vacuum UV (λ < λmax) (correct)
  • What type of electronic transition occurs in alkenes?

  • η το σ∗
  • η το π∗
  • σ το π∗ (correct)
  • π το π∗
  • What type of compounds exhibit η το π∗ electronic transitions?

  • Oxygen, nitrogen, sulfur, and halogen compounds
  • Carbonyl compounds
  • Alkanes (correct)
  • Alkynes and azo compounds
  • What type of electronic transition occurs in oxygen, nitrogen, sulfur, and halogen compounds?

    <p>η το σ∗</p> Signup and view all the answers

    What type of compounds exhibit π το π∗ electronic transitions?

    <p>Alkenes and carbonyl compounds</p> Signup and view all the answers

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