1.

Complete the following table :(b) How is ozone formed at the higher levels of atmosphere ?

Answer»

Solution :
(b) Ozone at the higher levels of the atmosphere is a PRODUCT of UV RADIATION acting on oxygen `(O_2)` molecule. The higher energy UV RADIATIONS split apart some moleculer oxygen `(O_2)` into free oxygen (O) atoms. These atoms then COMBINE with the MOLECULAR oxygen to form ozone as shown :
`O_2overset(UV)rarrO" + "O`
`O" + "O_2rarrunderset(("Ozone"))(O_3)`


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