Physics

Li

2 May, 00:05

Which of the following events may occur when IR radiation is absorbed?

Intra-molecular bond angles are changed.

More intense IR absorptions occur for those bonds having greater dipole moment changes with bond lengthening in a vibration.

Vibrational amplitudes of bonds are increased.

Bonding electrons are promoted to higher energy molecular orbitals.

Relative electron spins are changed.

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