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Write a note on the formation of ozone l...

Write a note on the formation of ozone layer.

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When ultraviolet radiations reach dioxygen molecule in stratosphere, two free oxygen atoms are produced. These oxygen atoms combine with dioxygen molecule and forms ozone.
`O_(2(g)) overset( UV)(rarr) O_((g))+ O_((g))`
`O_((g)) + O_(2(g)) overset(UV) (hArr) O_(3(g))`
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