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Chlorofluorocarbon i.e. CFC's are the compounds released from refrigrants and air conditioners. These being lighter than the air are carried upwards towards the atmosphere, stratosphere to be precise. These CFC's there in the presence of high energy ultraviolet rays breakdown into chlorine and fluorine which further react with ozone to form unstable compound and deplete it.
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Why do chlorofluorocarbons (CFCs) deplete the ozone layer?
Chlorofluorocarbons (CFCs) deplete the ozone layer because when they are released into the atmosphere, they break down and release chlorine atoms. These chlorine atoms then react with ozone molecules in the stratosphere, causing the ozone molecules to break apart, leading to ozone depletion.
What percent of the sources of chlorine in the stratosphere are CFCS?
Over 80% of the chlorine found in the stratosphere comes from chlorofluorocarbons (CFCs). These compounds can break down in the upper atmosphere, releasing chlorine atoms that can then participate in ozone depletion reactions.
How do chlorofluorocarbons build up in the atmosphere?
Chlorofluorocarbons (CFCs) build up in the atmosphere when they are released from products like refrigerants and aerosols. Once in the atmosphere, CFCs break down and release chlorine atoms, which then catalyze the destruction of ozone molecules in the ozone layer.
Which atoms in the CFC molecule can destroy thousands of ozine molecules in the upper atmosphere?
Chlorine atoms in CFC molecules can destroy thousands of ozone molecules in the upper atmosphere. When CFCs break down in the stratosphere due to UV radiation, the chlorine atoms released can catalyze the breakdown of ozone molecules, leading to ozone depletion.
Hydrocarbons in which some or all of the hydrogen atoms are replaced by chlorine and fluorine?
Chlorofluorocarbons (CFCs) are hydrocarbons in which some or all of the hydrogen atoms are replaced by chlorine and fluorine. These chemicals were commonly used in refrigerants, propellants, and solvents but are now known to be harmful to the ozone layer.
Which element in chlorofluorocarbons (cfcs) are responsible for destroying the earth's ozone layer?
Chlorofluorocarbons (CFCs) contain chlorine and bromine atoms, which are primarily responsible for the destruction of the Earth's ozone layer. When CFCs are released into the atmosphere, ultraviolet (UV) radiation breaks them down, releasing chlorine atoms. These chlorine atoms then catalyze the breakdown of ozone (O₃) molecules, leading to the depletion of the ozone layer that protects the Earth from harmful UV radiation.
Why do chlorofluorocarbons (CFCs) deplete the ozone layer?
Chlorofluorocarbons (CFCs) deplete the ozone layer because when they are released into the atmosphere, they break down and release chlorine atoms. These chlorine atoms then react with ozone molecules in the stratosphere, causing the ozone molecules to break apart, leading to ozone depletion.
What is CFC and how is the ozone molecule destroyed by CFCs?
A CFC is a molecule which consists of Chlorine, Fluorine and Carbon only. Ozone is destroyed due to the formation of a chlorine free radical. For example, the CFC CCl2F2 photo-dissociates (decomposes due to UV rays) to form the chlorine free radical and this then reacts with ozone breaking it down into oxygen. The main problem with CFCs is that after destroying the ozone molecule, the chlorine free radical regenerates and can destroy more ozone in a massive chain reaction.
What is the main source of chlorine atoms in the ozone layer?
Chlorine atoms in the ozone layer primarily come from human-made chemicals called chlorofluorocarbons (CFCs). These CFCs were commonly used in refrigerants, aerosol propellants, and solvents before being phased out due to their harmful effects on the ozone layer. When CFCs break down in the atmosphere, they release chlorine atoms that can catalyze the destruction of ozone molecules.
When chlorofluorocarbons are subjected to ultraviolet radiation what is released which rapidly destroys ozone?
When chlorofluorocarbons (CFCs) are exposed to ultraviolet radiation in the stratosphere, they release chlorine atoms. These chlorine atoms react with ozone (O3) molecules, breaking them apart and leading to the depletion of the ozone layer.
Which product of the ultraviolet decomposition of CFCs acts as the catalyst for ozone decomposition?
Chlorine atoms
What percent of the sources of chlorine in the stratosphere are CFCS?
Over 80% of the chlorine found in the stratosphere comes from chlorofluorocarbons (CFCs). These compounds can break down in the upper atmosphere, releasing chlorine atoms that can then participate in ozone depletion reactions.
Which element of CFC is responsible for O3 layer depletion?
Chlorine is the element in chlorofluorocarbons (CFCs) that is responsible for the depletion of the ozone layer. When CFCs are released into the atmosphere, they break down and release chlorine atoms, which then react with ozone molecules to break them apart, leading to ozone layer depletion.
How the chlorine atoms are formed in the ozone layer?
CFC's i.e Chloro Fluorocarbon which are released from deodorants, refrigerants are carried upwards towards the atmosphere where in presence of the high energy ultraviolet rays these break down into molecules of chlorine and fluorine molecules which further deplete ozone.
What do chemicals released into the atmosphere break ozone down into to?
Chemicals released into the atmosphere, such as chlorofluorocarbons (CFCs), break ozone down into oxygen molecules and chlorine atoms through a series of chemical reactions. The chlorine atoms then react with ozone molecules, leading to the depletion of the ozone layer.
How do chlorofluorocarbons build up in the atmosphere?
Chlorofluorocarbons (CFCs) build up in the atmosphere when they are released from products like refrigerants and aerosols. Once in the atmosphere, CFCs break down and release chlorine atoms, which then catalyze the destruction of ozone molecules in the ozone layer.
The chemical that reacting with and causing the destruction of stratospheric ozone is?
Chlorofluorocarbons (CFCs) are chemicals that react with and cause the destruction of stratospheric ozone. When released into the atmosphere, CFCs break down and release chlorine atoms, which then catalyze the breakdown of ozone molecules. This depletion of ozone leads to the formation of the ozone hole in the stratosphere.
