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The hypothesis regarding long-living halogen compounds, such as chlorofluorocarbons (CFCs) and halons, posits that these substances can deplete the ozone layer. When released into the atmosphere, these compounds can persist for years and eventually reach the stratosphere, where they are broken down by ultraviolet (UV) radiation, releasing chlorine and bromine atoms. These halogen atoms then catalyze reactions that lead to the destruction of ozone (O3) molecules, significantly reducing the ozone layer's ability to absorb harmful UV radiation. This process contributes to increased UV exposure at the Earth's surface, leading to various environmental and health issues.

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2mo ago

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Related Questions

What kind of chemical pollutants are responsible for ozone depletion?

There are various chemical pollutants responsible. These pollutants are the halogen compounds of carbon.


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Examples of inter-halogen compounds are chlorine trifluoride (ClF3), iodine pentafluoride (IF5), and bromine chloride (BrCl). These compounds are formed by the combination of different halogen elements, such as chlorine, fluorine, iodine, and bromine.


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A halogen carrier is a compound that helps facilitate halogenation reactions by carrying or transferring halogen atoms to other molecules. This process is commonly used in organic chemistry to introduce halogen atoms (such as chlorine, bromine, or iodine) into organic compounds. Common examples of halogen carriers include N-chlorosuccinimide (NCS) and N-bromosuccinimide (NBS).


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Ions of the halogen group are called halide ions; their compounds are called halides.


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