Multiple Choice
Why do molecules become IR-active?
A) Because they are in constant motion.
B) Because they can absorb IR radiation (a photon of a specific wavelength in the IR region) because their dipole moments constantly change as the bond lengths change.
C) Because they vibrate at low temperatures.
D) Because their net dipole is zero.
E) Because they are very close together.
Correct Answer:
Verified
Correct Answer:
Verified
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