Polyaniline (PANI) Quiz
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Questions and Answers

Who discovered polyaniline?

  • Henry Letheby
  • Carl Fritzsche
  • John Lightfoot (correct)
  • F. Ferdinand Runge

    • Which oxidation state of polyaniline is white/clear & colorless?

  • Emeraldine
  • Leucoemeraldine (correct)
  • Pernigraniline
  • None of the above

    • In which century was polyaniline discovered?

  • 17th century
  • 20th century
  • 19th century (correct)
  • 18th century

    • What are the idealized oxidation states of polyaniline?

    <p>Leucoemeraldine, Emeraldine, Pernigraniline</p> Signup and view all the answers

    What is the fully reduced state of polyaniline?

    <p>Leucoemeraldine with n = 1, m = 0</p> Signup and view all the answers

    What is Raman spectroscopy commonly used for in chemistry?

    <p>Determining vibrational modes of molecules</p> Signup and view all the answers

    What type of light source is usually used in Raman spectroscopy?

    <p>Monochromatic light from a laser</p> Signup and view all the answers

    What does Raman scattering rely upon?

    <p>Inelastic scattering of photons</p> Signup and view all the answers

    How is the elastic scattered radiation at the wavelength corresponding to the laser line filtered out in Raman spectroscopy?

    <p>By using a notch filter, edge pass filter, or a band pass filter</p> Signup and view all the answers

    What type of information does Raman spectroscopy provide in comparison to infrared spectroscopy?

    <p>Similar yet complementary information</p> Signup and view all the answers

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