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Q: Deformation vibrations in IR spectroscopy is called as-
  • A. Bending vibrations
  • B. Symmetric vibrations
  • C. Asymmetric vibrations
  • D. Stretching vibrations
Correct Answer: Option A - The bending vibrations are called as deformation vibrations. In this type of vibrations a change in bond angle occurs between bonds with a common atom, as there is a movement of group of atoms with respect of the remainder of the molecule without movement of the atoms in the group with respect to one another.
A. The bending vibrations are called as deformation vibrations. In this type of vibrations a change in bond angle occurs between bonds with a common atom, as there is a movement of group of atoms with respect of the remainder of the molecule without movement of the atoms in the group with respect to one another.

Explanations:

The bending vibrations are called as deformation vibrations. In this type of vibrations a change in bond angle occurs between bonds with a common atom, as there is a movement of group of atoms with respect of the remainder of the molecule without movement of the atoms in the group with respect to one another.