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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?

Leucoemeraldine, Emeraldine, Pernigraniline (C) Signup and view all the answers

What is the fully reduced state of polyaniline?

Leucoemeraldine with n = 1, m = 0 (C) Signup and view all the answers

What is Raman spectroscopy commonly used for in chemistry?

Determining vibrational modes of molecules (C) Signup and view all the answers

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

Monochromatic light from a laser (B) Signup and view all the answers

What does Raman scattering rely upon?

Inelastic scattering of photons (B) 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?

By using a notch filter, edge pass filter, or a band pass filter (C) Signup and view all the answers

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

Similar yet complementary information (B) Signup and view all the answers