Which one of the following reactions does not occur ? – InterviewSolution

1.	Which one of the following reactions does not occur ?
Answer» `BaO+O_(3)rarrBaO_(2)+O_(2)` `PbS+4O_(3)rarrPbSO_(4)+4O_(2)` `H_(2)O_(2)+O_(3)rarrH_(2)O+2O_(2)` `2Hg+O_(2)rarrHg_(2)O+O_(2)` Answer :A

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