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Question
What is photochemical smog ? what are its harmful effects ?
What is photochemical smog ? what are its harmful effects ?
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Solution
PhotoChemical Smog: It is also known as Los Angeles Smog. This type of smog was first observed in Los Angeles in 1950.
Actually it is a mixture of a no. of irritating chemical compounds like, NO2 , O3, PAN( peroxyacylnitrates), aldehydes, ketones, hydrocarbons and CO.
It is formed in summer as, when NO2 and hydrocarbons are mixed in air and that air is exposed to extreme sunlight.
Harmful Effects:
- All these compounds like PAN and ozone, produces irritatio to the eyes and also in respiratory system
- They also damage many materials such as , metals, stones, building materials etc.
- Ozone is particularly destructive to rubber.
- The smog is harmful to fabrics, crops and ornamental plants.
- NO2 present in this smog gives a brown colour to the smog which reuces visibility and can cause traffic and accidents.
PhotoChemical Smog: It is also known as Los Angeles Smog. This type of smog was first observed in Los Angeles in 1950.
Actually it is a mixture of a no. of irritating chemical compounds like, NO2 , O3, PAN( peroxyacylnitrates), aldehydes, ketones, hydrocarbons and CO.
It is formed in summer as, when NO2 and hydrocarbons are mixed in air and that air is exposed to extreme sunlight.
Harmful Effects:
- All these compounds like PAN and ozone, produces irritatio to the eyes and also in respiratory system
- They also damage many materials such as , metals, stones, building materials etc.
- Ozone is particularly destructive to rubber.
- The smog is harmful to fabrics, crops and ornamental plants.
- NO2 present in this smog gives a brown colour to the smog which reuces visibility and can cause traffic and accidents.
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