Ozone layer

Ozone layer

 

What is ozone ?

 

Ozone is the second layer of the earth’s atmosphere.   Ozone is a molecule which is formed by three atoms of oxygen. Ozone is natural gas that is available in the earth atmosphere.  Ozone layer is  prohibited all solar radiation reaching to the earth atmosphere including certain types of ultra violet radiation and some harmful radiation which are injurious for health or damage living things.

It is also called as ozone shield. Ozone layer is also called ozonosphere. And ozone layers absorbs the sun ultraviolet radiations. The formula of the ozone layer Is the  O3.

 

How ozone produce

 

Ozone is created with  the help of the  Ultra violet  rays. This ultraviolet radiation  is  striking the oxygen molecules containing two atoms of oxygen and  this oxygen molecules split into individual oxygen atoms or atomic oxygen or free oxygen (O) atoms. These oxygen (O) then combines with molecular oxygen to form ozone (O3 ) .

Chemically ,ozone as given :--

                           

O2      UV           O + O

 

 

O+O2                         O3     (OZONE)

 

ozone in the atmosphere is contained about 90 % in the stratosphere.

The molecules of the ozone is unstable and when the ultraviolet radiation strikes on the ozone , it split into a molecules of oxygen (O2  ) and free oxygen. This process is continuous process. And this continuous process is called as ozone-oxygen cycle.

 

How ozone is getting depleted

 

The ozone layer can be depleted by the by halogen gases containing chlorine or bromine.  The ozone layer is also depleted by the substances like nitric oxide nitrous oxide hydroxyl etc. due to this substances, the ozone layer is getting thinner. Chemicals like chlorofluorocarbons (CFCs) is a molecule that contains the elements like carbons , chlorine, and fluorine. And this chlorofluorocarbons (CFCs) are used mainly in refrigerants , plastic products and in fire extinguishers. These gas released at the surface and these gas spreads all over the in the air from the lower atmosphere to the upper atmosphere through the wind transport patterns. These gases are highly stable. And are capable surviving into the stratosphere. Where Cl and Br are released by the action of the Ultra Violet rays. And these gas are free to initiate and a chain reaction is capable to break down the ozone molecules. Due to this breakdown of ozone , absorption of the ultra violet rays is reduced. And this ultra violet radiation is able to reach the earth atmosphere with high intensity.

 

 

Important features of ozone layer:--

 

The ozone layer protect us our environment from harmful UV radiation. And unwanted harmful gases.

Man made ozone gas is used for water and air purification.

It is used in various industrial purpose.

The symbol of ozone layer is O3

ozone is pale blue gas with the pungent smell.

In the earth atmosphere , Ozone layer is thicker over the poles than over the equator.

 

 

Comments

Post a Comment

Popular posts from this blog

METAL And Chemical Properties of metals

  METAL Metal is a element that has metallic bond and have positive ions or cations. Metal is a lattice of positive ions that are surrounded by the cloud of the electrons. In the pure state, metal have a shining surface. This properties are called metallic luster . Here, metals are generally hard. Metals are malleable, because they can be hammered into thin sheets. This property is called as malleability . Metals are ductile it means they can be drawn into wires. The ability of the metals to be drawn into thin wires is called as ductility . For example:--   gold is most ductile metal. Due to the properties of the ductility and malleability, metals can be given in different shapes as per their needs. Metals are opaque Metals are lustrous elements that are good conductor of heat and electricity. Metals are denser than the other substances. Metals are good conductor of heat. For example :-- silver and copper. Lead and mercury are poor conductors of heat. ...
Read more

Food chains and webs, Tropic levels

Image
Food chains and webs   Food chain is the sequence of organisms in which nutrients and energy is transferred in the form of food from one organism to another organisms. Food chain is the possible pathway in which nutrients and energy is transferred through an ecosystem. A food chain is the linear network of links in which a food web is starting from producers organisms and is ending at decomposers.   A food chain shows a series or organisms taking part at various biotic level. Each steps or levels of the food chain forms a tropic level . The tropic level of an organisms is the position it occupies in a food web. Organisms in food chain are grouped into categories are known as trophic levels. Tropic levels are divided into various levels:--   Producers:--                      The producers or the autotrophs are the first trophic level.   All green plant...
Read more

Eco system

                            Eco system   Eco system is a complex relationship among all organisms such as plants , animals , microorganisms and the human beings and the physical surroundings. And they interact with each other and maintain a balance in environment. An ecosystem is a biological community   of interacting organisms   and their physical environment with non-living organisms form an ecosystem. Thus, an eco system consists of biotic and abiotic components A biotic   component comprising all living organisms. A abiotic components comprising physical factors like temperature, rainfall, wind soil, minerals, etc.   A garden is an eco system In a garden, when we go to the garden, we see that there is different types of plants like as grasses, trees, flower plants like rose jasmine, etc and animals like frogs...
Read more