Ozone....Ozone....Ozone

Ozone…Ozone…Ozone. You must be wandering why I am naming this word so many times. I just want to warn you that this 5 letters word is in danger. It is we people only who have created this danger. We do not understand its importance. We are not seeing how our life would be in its absence. For many people it is just a blanket above our atmosphere which shields us from the ultraviolet radiations emitted by sun. But no one is going into the depth that if it is harmed then the ultra violet rays will directly penetrate into our body and can affect the cells and cause body cancer. These effects can be genetic and transfer from one generation to another. It is important to know the good and bad points of ozone layer. Ozone is a blanket if would not be there then the ultraviolet rays will direct attack on us.;/
Today’s generation want to live their live lavishly and is not bothering in investing money. The unnecessary use of air conditioners, large number of cars on the roads, cutting down of the trees for making houses and industrial purposes and many more such applications which are leading to the emission of chloro fluoro carbon gases into the atmosphere. Few countries like Canada have made significant progress in reducing the emissions of ozone depleting substances through various techniques that they have developed. They have understood the danger of ozone depletion.

Save our Ozone Layer

Then also most of the countries are not taking nay initiative on their own to prevent the ozone layer. They are not taking the problem seriously. They are not understanding the fact that the ozone layer has changed from what it used to appear before 25 years ago. If things go on like this then that day is not far away from us when we will loose our ozone layer and will come in direct contact with the ultra violet and other radiations emitted from the sun. This is really a threat to the whole species found on the earth. So preventive measures should be taken to prevent our ozone layer.

Ozone Layer-Formatin to Depletion

Ozone:
What is Ozone
Ozone is an allotropic form of oxygen. The chemical formal of ozone is 03 means which means one molecule of ozone has three atoms of oxygen. The ozone layer is present at a height of 15 to 30 kms above earth's surface. The presence of Ozone in the atmosphere prevents us from the harmful effects on ultraviolet rays which may cause skin cancers and other disorders if exposed much. Ultraviolet radiations are radiations with wavelengths between 290-320 nanometers. These radiations are of very high frequency and very dangerous as they can penetrate in the cells and destroy the DNA of many life species present on the earth. The Ozone is formed by a chemical reaction between sunlight and oxygen. The boiling point of Ozone is −112°C and freezing point is −192°C. It has strong odor and produces deoxygenate on decomposition. Since it is present above earth's atmosphere so it prevents us from the direct exposure of ultraviolet radiations coming from the sun.
Depletion of Ozone layer:
Ozone layer is also called blanket layer on the earth as it spreads like a blanket above earth's atmosphere and shields us from the unwanted harmful ultraviolet and other radiations. The overall quantity of the gas available in the earth is essentially stable. This is the way it has been for million of years. But in 1984 scientist's found a small hole in the ozone layer above Arctic. The hole is actually an area above arctic of lower ozone concentration. Later on with the though research scientists came at a conclusion that the quantity of ozone was really decreasing. They started looking for the main cause of this. For this also many theories were put forward. Some said its chemicals use by human beings responsible for the slowly depletion of ozone layer. These chemicals are man made and called ozone depleting products. One of these is chlorofluorocarbons which contain chlorine, fluorine and carbon.

CFC:
Chlorofluorocarbons are chemicals made up of chlorine, fluorine and carbon developed in the early 1930s. These substances are non-toxic, non-flammable, and non-reactive with other chemical compounds. They are widely used in various household, industrial applications. They are mainly used for refrigeration because they are inflammable and intoxicant as compared to sulphur dioxide and ammonia which were used before for refrigeration and air conditioning. Chlorofluorocarbons are sold under the name of Freons. Apart from refrigeration and air conditioning they are also used as foaming agents in the production of Alkenes like Polystyrene and Alkanes like Polyurethane. CFC is also used in deodorants, perfumes, paints, insect repellants etc.
The main drawback of Ozone layer is that CFC is not water soluble so it doesn’t dissolve in rain water so stays in the atmosphere and passes to the stratosphere. In the stratosphere it reacts with ultraviolet radiation which splits off the chlorine atoms present in the CFC molecules. These chlorine atoms released in the chemical reaction then destroys the ozone layer. These chlorine atoms then again react with the oxygen atoms present in the air to regenerate the chorine atoms in the Stratosphere which speeds up the process of ozone layer depletion.

Substitute of CFC:
From above it has become crystal clear that if you want to prevent ozone layer to safeguard you then its better to avoid the use of CFC. In place of CFC, hydrochlorofluorocarbons (HCFCs) should be used. These are organic compounds which are similar to CFCs but less dangerous then later. Hydrochlorofluorocarbons contain at least 1 atom of Hydrogen. So carbon and Hydrogen bonding in the molecule of Hydrochlorofluorocarbons make these compounds very reactive and destroyed easily in the nature.

Ozone Layer-Formatin to Depletion

Ozone:
What is Ozone
Ozone is an allotropic form of oxygen. The chemical formal of ozone is 03 means which means one molecule of ozone has three atoms of oxygen. The ozone layer is present at a height of 15 to 30 kms above earth's surface. The presence of Ozone in the atmosphere prevents us from the harmful effects on ultraviolet rays which may cause skin cancers and other disorders if exposed much. Ultraviolet radiations are radiations with wavelengths between 290-320 nanometers. These radiations are of very high frequency and very dangerous as they can penetrate in the cells and destroy the DNA of many life species present on the earth. The Ozone is formed by a chemical reaction between sunlight and oxygen. The boiling point of Ozone is −112°C and freezing point is −192°C. It has strong odor and produces deoxygenate on decomposition. Since it is present above earth's atmosphere so it prevents us from the direct exposure of ultraviolet radiations coming from the sun.
Depletion of Ozone layer:
Ozone layer is also called blanket layer on the earth as it spreads like a blanket above earth's atmosphere and shields us from the unwanted harmful ultraviolet and other radiations. The overall quantity of the gas available in the earth is essentially stable. This is the way it has been for million of years. But in 1984 scientist's found a small hole in the ozone layer above Arctic. The hole is actually an area above arctic of lower ozone concentration. Later on with the though research scientists came at a conclusion that the quantity of ozone was really decreasing. They started looking for the main cause of this. For this also many theories were put forward. Some said its chemicals use by human beings responsible for the slowly depletion of ozone layer. These chemicals are man made and called ozone depleting products. One of these is chlorofluorocarbons which contain chlorine, fluorine and carbon.
CFC:
Chlorofluorocarbons are chemicals made up of chlorine, fluorine and carbon developed in the early 1930s. These substances are non-toxic, non-flammable, and non-reactive with other chemical compounds. They are widely used in various household, industrial applications. They are mainly used for refrigeration because they are inflammable and intoxicant as compared to sulphur dioxide and ammonia which were used before for refrigeration and air conditioning. Chlorofluorocarbons are sold under the name of Freons. Apart from refrigeration and air conditioning they are also used as foaming agents in the production of Alkenes like Polystyrene and Alkanes like Polyurethane. CFC is also used in deodorants, perfumes, paints, insect repellants etc.
The main drawback of Ozone layer is that CFC is not water soluble so it doesn’t dissolve in rain water so stays in the atmosphere and passes to the stratosphere. In the stratosphere it reacts with ultraviolet radiation which splits off the chlorine atoms present in the CFC molecules. These chlorine atoms released in the chemical reaction then destroys the ozone layer. These chlorine atoms then again react with the oxygen atoms present in the air to regenerate the chorine atoms in the Stratosphere which speeds up the process of ozone layer depletion.
Substitute of CFC:
From above it has become crystal clear that if you want to prevent ozone layer to safeguard you then its better to avoid the use of CFC. In place of CFC, hydrochlorofluorocarbons (HCFCs) should be used. These are organic compounds which are similar to CFCs but less dangerous then later. Hydrochlorofluorocarbons contain at least 1 atom of Hydrogen. So carbon and Hydrogen bonding in the molecule of Hydrochlorofluorocarbons make these compounds very reactive and destroyed easily in the nature.