No.
Yes, ozone depletion is primarily caused by the interaction of chlorine and bromine ions from man-made chemicals such as chlorofluorocarbons (CFCs) with the ozone molecules in the stratosphere. These chemicals can cause the breakdown of ozone molecules, leading to the thinning of the ozone layer.
CFCs convert ozone to oxygen. They are responsible for ozone layer depletion.
The ozone layer is at risk because of the continues usage of ozone depleting substance by humans. These ODS contain CFCs which harm the ozone by decomposing it into oxygen molecule and nascent oxygen.
Ozone is a molecule with formula O3. It is bent in shape and has sp and sp2 hybridised oxygen atoms. Chlorofluorocarbons are compunds of carbon and fluorine. They react with ozone to form oxygen.
CFCs only interacts with stratospheric ozone because the ultraviolet light is much stronger at that altitude. UV breaks down the CFCs to release ionic chlorine (and bromine from Halons) which react with ozone to produce oxygen and atomic oxygen. Ozone does not directly interact with these compounds. It takes energetic light to "deplete ozone" with these compounds. Water vapor does a good job...
The presence of CFCs are creating holes in the ozone layer. UV light causes CFCs to be borken down, creating chlorine atoms that are capable of breaking down ozone into oxygen in the stratosphere. The holes in the ozone layer are formed when the ozone is broken down at a faster rate than it can reform. This enables more UV radiation to reach the earth's surface and it is a greater problem in the southern hemisphere.The ozone layer is getting damaged. It is due to the harmful UV rays of the sun.
In the atmosphere.See "Why is an ozone hole formed only above Antarctica and not over developed countries that emit a lot of CFCs?"
Sounds like a very unpleasant cocktail...1 doesn't happen2 happens in the upper atmosphere3 doesn't happen4 doesn't happen
See "What is causing the depletion of the ozone layer?"
No, the chlorine and other chemicals in CFCs (chlorofluorocarbons) destroy the ozone molecules and weaken the ozone layer.
CFCs (chlorofluorocarbons) destroy ozone in the ozone layer.
Ozone depletion is primarily caused by human-made chemicals called ozone-depleting substances (ODS), such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). These chemicals release chlorine and bromine atoms when they reach the stratosphere, where they break down ozone molecules, leading to the thinning of the ozone layer.