Which one of the following substances found in the atmosphere will absorb radiation in the infrared portion of the spectrum? A)N₂ B)O₂ C)Kr D)H₂O E)He

Question

Quizplus · Accepted Answer

Only H2O (water vapor) and CO2 (carbon dioxide) have absorption bands in the infrared portion of the spectrum, but H2O has a much stronger effect. Therefore, option D (H2O) should be selected as it is the only option containing a molecule with absorption bands in the infrared portion of the spectrum.

Which One of the Following Substances Found in the Atmosphere