1.

`Cl_(2)`and `SO_(2)` are pollutants as well as bleaching agents . Their bleaching action is due toA. `SO_(2)`= Oxidation, `Cl_(2)`=OxidationB. `SO_(2)`= Reduction, `Cl_(2)`=ReductionC. `SO_(2)`= Oxidation, `Cl_(2)`=RedutionD. `SO_(2)`= Reduction, `Cl_(2)`=Oxidation

Answer» Correct Answer - D
`SO_(2)` in the presence of moisture releases nascent `H` which acts as bleaching agent of flowers, textiles , etc.
`SO_(2) + 2H_(2)O rarr H_(2)SO_(4)+underset("Bleaching agent")(2H)`
`Cl_(2)` in the presence of moisture release nascent `O` which acts as bleaching agent.
`Cl_(2)+H_(2)O rarr 2HCl+underset("Bleaching agent")(O)`.


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