what is the role of sunlight in photochemical decomposition reactions ? explain answer in three lines.
Answers
The Sun is the light source driving atmospheric chemistry. The wavelengths dependent photon flux is controlled by solar emission modulated by absorption of atmospheric gases, aerosols and clouds. The factors determining the characteristics of this light source, its altitude, latitude and zenith angle dependence are discussed to explain the effectiveness of the Sun in driving chemical reactions. Examples of chemical reactions occurring on the excited and the ground electronic state potential energy surfaces of molecules and radicals are used to illustrate the complexity of atmospheric photochemistry. Specifically, the near ultraviolet (UV) photochemistry of chlorine dioxide is used to exemplify electronic state reactions occurring in the atmosphere. The near infrared (IR) photochemistry of nitric and sulfuric acids are discussed to illustrate reactions important in the atmosphere which occur with solar pumping of vibrational overtone transitions in the ground electronic state of these molecules...
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Answer:
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Explanation:
The photochemical decomposition reactions are chemical decomposition reactions which are caused by the application of the light rays or photon particles. ... And, sunlight is a good source of light rays and photon particles. That's why, sunlight is very important for different photochemical decomposition reactions.