2013 · Q42
42.
Statement IChlorine radicals (Cl) initiate the chain reaction for ozone depletion.
Statement IIGaseous hypochlorous acid and chlorine are photolysed by sunlight.
General KnowledgeChemistry
- ABoth the statements are individually true and Statement II is the correct explanation of Statement I
- BBoth the statements are individually true but Statement II is not the correct explanation of Statement I
- CStatement I is true but Statement II is false
- DStatement I is false but Statement II is true
Explanation
Both statements are true and chlorine photolysis explains the chain reaction; the official key marks A.