How oxides of nitrogen are harmful?

1.	How oxides of nitrogen are harmful?
Answer» SOLUTION :(i) Oxides of nitrogen are produced during high temperature combustion processes, by oxidation of nitrogen in air and it is formed the combustion of fuels such as coal, diesel and petrol (II) `N_(2) + O_(2) overset(gt 1210^@C) rarr 2NO` `2NO+O_(3) overset(1100^@C) 2NO_(2)` `NO + O_(3) rarr NO_(2) + O_(2)` (iii) The oxides of nitrogen are CONVERTED intp nitric acid which comes down in the form of acid rain. They also form REDDISH brown haze in heavy traffic. (iv) Nitrogen dioxide potentially damage plant leaves and retard photosynthesis. (v) `NO_(2)` is a respiratory irritant and it can CAUSE asthma and lung injury.

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