Chemistry - Environmental Chemistry Question with Solution | TestHub
In summer season, nitrogen dioxide and methane react with chlorine monoxide (reaction i) and chlorine atoms (reaction ii) forming chlorine sinks, preventing much ozone depletion, whereas in winter, special type of clouds called polar stratospheric clouds provide surface on which chlorine nitrate formed (in reaction i) gets hydrolysed to form hypochlorous acid (reaction (iii)). It also reacts with hydrogen chloride produced as per reaction (ii) to give molecular chlorine.
When sunlight returns to the Antarctica in the spring, the Sun's warmth breaks up the clouds and HOCl and Cl2 are photolysed by sunlight, as given in reactions (v) and (vi).
The chlorine radicals thus formed, initiate the chain reaction for ozone depletion.
Which of the following species are responsible for ozone depletion