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Question
NO emitted from exhaust system of jet aeroplanes slowly decrease the concentration of Ozone layer. Comment.
NO emitted from exhaust system of jet aeroplanes slowly decrease the concentration of Ozone layer. Comment.
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Solution
NO behaves as a free radical catalyst, and destroys ozone layer as follows:
NO(g) + O3(g)→NO2(g) + O2(g)
NO2(g) + O (g) → NO(g) + O2(g)
Nett reaction = O3 + O --------> 2O2
Thus ozone gets converted to molecular oxygen and ozone layer is depleted.
NO(g) + O3(g)→NO2(g) + O2(g)
NO2(g) + O (g) → NO(g) + O2(g)
Nett reaction = O3 + O --------> 2O2
Thus ozone gets converted to molecular oxygen and ozone layer is depleted.
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