Depletion of ozone layer in Antarctica is due to various reactions occuring in different seasons.Which of the following reaction occurs in spring season.

In Antarctica, in summer season chemicals like ClONO2(g) and HClg are formed. In winter season. ClONO2(g) reacts with H2O(g) to form HOCl(g).ClONO2(g) reacts with HCl(g) to form Cl2(g).In spring season, photolysis of HOCl(g) and Cl2(g) occurs.HOCl(g)→HO.(g)+C.l(g) Cl2(g)→C.l(g)+C.l(g) .