For a molecule to absorb IR, why must the molecule's vibrations cause fluctuations in the dipole moment of the molecule? Options: A . &nbspBecause for absorption to occur, the radiation must interact with the electric field caused by changing dipole moment B . &nbspBecause fluctuations in the dipole moment allow the molecule to deform by bending and stretching C . &nbspAll of these D . &nbspBecause a change in dipole moment lowers the energy required for electronic transitions

For a molecule to absorb IR, why must the molecule's vibrations cause fluctuatio

Question

For a molecule to absorb IR, why must the molecule's vibrations cause fluctuations in the dipole moment of the molecule?

Options:

A . Because for absorption to occur, the radiation must interact with the electric field caused by changing dipole moment

B . Because fluctuations in the dipole moment allow the molecule to deform by bending and stretching

C . All of these

D . Because a change in dipole moment lowers the energy required for electronic transitions

Answer: Option A

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