MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryO3, NO2 acrolein, formaldehyde and PAN

Chlorine sinks are formed during : I. Summer II. Winter

A.Only I✓ Correct

B.Only II

C.Both I and II

D.Neither I nor II

Explanation

It was found that a unique set of conditions was responsible for the ozone hole. In summer season, NO2 and CH4 react with chlorine monoxide and chlorine atoms forming chlorine sinks, preventing much ozone depletion.

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