【Daily Question】Chemical Analysis Edition, 4/29/2019
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This post was last edited by zjp on 2019-4-29 08:13. Multiple-choice question: Not all molecular vibration modes have corresponding infrared absorption bands that can be observed; this is because (). A. Molecules have both vibration and rotation, which makes them too complex. B. Some of the vibration energies in molecules are simple. C. This is because there are atoms other than C, H, and O present in the molecules. D. Certain vibration energies in molecules cancel each other out. B, D
C. Because there are atoms other than C, H, and O in the molecule. D. Some of the vibrational energies in the molecule cancel each other out
B. Some of the vibrational energies in the molecule are simple. D. Some of the vibrational energies in the molecule cancel each other out