$SO_2$ acts as a temporary bleaching agent,while $Cl_2$ acts as a permanent bleaching agent. Why?
- A$Cl_2$ bleaches due to reduction,but $SO_2$ bleaches due to oxidation.
- B$Cl_2$ bleaches due to oxidation,but $SO_2$ bleaches due to reduction.
- CBoth of these.
- DNone of these.
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