Chimactiv - Interactive numerical educational resources for the analysis of complex media

Basics of vibrational spectroscopy

Introduction
A little theory
Illustrating theory
Interpretation of IR spectra
Get some practice
To find out more

Quiz: What do you remember about the theory?

The mid-infrared range is:

100 - 400 cm^-1
4000 - 12500 cm^-1
400 - 4000 cm^-1

IR radiation induces molecular effects such as:

Vibrations and electronic transitions
Vibrations and ionizations
Vibrations
Ionizations
Rotations and vibrations
Rotations, vibrations and Ionizations

Radio waves induce molecular effects such as:

Vibrations and electronic transitions
Vibrations and ionizations
Spin transitions
Rotations and vibrations
Rotations, vibrations and spin transitions

Which statement is true?

All organic molecules vibrate in infrared
All organic molecules are silent in infrared
All organic and inorganic molecules vibrate in infrared
Some molecules are silent in infrared

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