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Who enhances the degradation of ozone?(a) Hydrogen(b) Chlorofluorocarbons(c) Oxygen(d) Water vaporsThis question was addressed to me during an interview.My question is based upon Environmental Issues in chapter Environmental Issues of Biology – Class 12

Answer»

The correct option is (b) Chlorofluorocarbons

The explanation: Chlorofluorocarbons (CFCs) enhances the degradation of ozone by DISTURBING the CYCLE of ozone formation. CFCs UPON entering in stratosphere react with UV and RELEASE chlorine ions. These ions act as catalysts and degrade ozone releasing MOLECULAR oxygen.



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