In IR spectroscopy, what type of molecular vibrations are typically observed?

Practice Questions

Q1
In IR spectroscopy, what type of molecular vibrations are typically observed?
  1. Translational vibrations
  2. Rotational vibrations
  3. Stretching and bending vibrations
  4. Electronic transitions

Questions & Step-by-Step Solutions

In IR spectroscopy, what type of molecular vibrations are typically observed?
  • Step 1: Understand that IR spectroscopy is a technique used to study molecules.
  • Step 2: Know that molecules can move in different ways, which are called vibrations.
  • Step 3: Identify the two main types of molecular vibrations: stretching and bending.
  • Step 4: Stretching refers to the movement where bonds between atoms get longer or shorter.
  • Step 5: Bending refers to the movement where bonds change their angle without changing length.
  • Step 6: Recognize that these vibrations happen at specific frequencies that can be measured.
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