1.

In which of the following reactions ozone acts as a reducing agent?

Answer»

`BaO_(2) +O_(3) to BAO+2O_(2)`
`2HCl+O_(3) to Cl_(2) +H_(2)O+O_(2)`
`PbS+4O_(3) to PbSO_(4)+4O_(2)`
`2KI+O_(3)+H_(2)O to 2KOH +I_(2)+O_(2)`

Answer :A


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