What molecule will NOT absorb infrared radiation?

Question

O3, O2, CO, CO2, or H2O

Answer 1

Some molecules do not absorb IR radiation (symmetric diatomics like O2 and N2).

So the choice is O2

ref: http://chem.pdx.edu/~wamserc/CH399S97/Notes3.htm

Answer 2

Dr Dave is right. Here's why:

When the molecule absorbs infrared radiation, there is an interaction between a dipole moment set up during its vibration, and the electric dipole moment of light. If a molecule is bent, has more than two atoms, or has two different atoms, there are ways in which vibrations of the molecule can give you a dipole. But the only vibration that O2 can do is a change in the bond length, and because the atoms at the same this doesn't give a dipole.

Answer 3

The statements are a sprint misguided: one million. not one hundred% of radiation can ever be absorbed with the aid of utilising a gasoline. it ought to be extra precise to declare ninety 9% of radiaton of the resonant frequencies of CO2 is absorbed in 10m. 2. The CO2 content textile of the ambience is measurably starting to be even nonetheless the oceans are slowing the fee of upward thrust. 3. Atmospheric physics in line with possibility problematic, notwithstanding the AGW advocates have yet to supply an evidence for the mechanism wherein CO2 would reason huge warming. This in itself does now not disprove CO2 as a reason of huge warming, notwithstanding this concept would desire to be considered slightly speculative. 4. the residences of CO2 are misrepresented each now and then. 5. The IPCC does look a rather political employer. The company does not even exist if sufficient persons weren't alarmed with the aid of utilising AGW. 6. now not withstanding that the warming results of CO2 get overstated hardly ever. that is maximum in many circumstances now not a impressive factor to alter the contents of the environment.