Question

Ozone layer is being depleted. This is due to :

• A. NO emission from supersonic jets
• B. Chloroflurocarbon used as aerosols
• C. Both (1) and (2)
• D. None of the above

Answer 1

Answer: (C)

Both (1) and (2)

Answer 2

(1) O3 + NO $\longrightarrow$ NO2 + O2

(2) Cl2CF2 $\longrightarrow$ •Cl + •CClF2 ;

•Cl + O3 $\longrightarrow$ ClO + O2

ClO $\longrightarrow$Cl• + O• ;

ClO• + O• $\longrightarrow$ •Cl + O2