Infrared Spectroscopy Quiz
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Questions and Answers

Which instrument is used to conduct the method of infrared spectroscopy?

  • Spectrophotometer (correct)
  • Electron microscope
  • Mass spectrometer
  • Chromatograph

    • What is the typical unit of wavenumber used in IR spectra?

  • Kelvin (K)
  • Meters per second (m/s)
  • Hertz (Hz)
  • Reciprocal centimeters (cm−1) (correct)

    • Infrared spectroscopy is used to study and identify chemical substances in which forms?

  • Liquid and gaseous forms only
  • Solid, liquid, and gaseous forms (correct)
  • Solid and liquid forms only
  • Gaseous form only

    • Which portion of the electromagnetic spectrum is usually divided into three regions in infrared spectroscopy?

    <p>Infrared spectrum</p> Signup and view all the answers

    What is the higher-energy near-IR range approximately in terms of wavenumber?

    <p>~14,000–4,000 cm−1</p> Signup and view all the answers

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