p-Block elementsHard

Question

Ozone layer is being depleted. This is due

Options

A.NO emission from supersonic jets
B.chloroflurocarbon used as aerosols
C.both (A) and (B)
D.none of the above

Solution

(A) O3 + NO→  NO2 + O2
(B) Cl2CF2 → • Cl + •CClF2      ;     •Cl + O3 → ClO• + O2
ClO• → Cl• + O•     ;    ClO• + O• → •Cl + O2

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