11 Questions
What factor primarily determines the vibration frequency of a bond?
Strength of the bond
Which type of bond is expected to vibrate at the highest frequency?
Triple bonds
What is the primary factor that influences the vibration frequency of light atoms?
Mass of the atoms
Which type of molecular vibration results in the absorption of IR energy?
Bond stretching
Which factor determines the intensity of absorption of IR light in a molecule?
The symmetry of the molecule
What type of molecule is likely to have less vibrational change and absorption of IR energy?
A symmetric molecule
In which molecule is the probability of vibrational transition greater than that of an ethylenic molecule?
CO
Which factor primarily determines the vibration frequency of a particular bond?
Masses of the bonded atoms
What type of bond is stiffer and vibrates at higher frequencies?
Triple bonds
Which type of molecular vibration is associated with in-plane rocking and scissoring?
Bond bending
What is the essential requirement for molecular vibrations to result in IR energy absorption?
Not all molecular vibrations result in IR energy absorption
Test your knowledge about the quantized variations in molecules as they absorb infrared energy and undergo vibrational and rotational transitions. This quiz covers concepts such as potential energy, interatomic distance, and the specific regions of the IR portion of the spectrum.
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