Ozone is an oxidizing and reducing agent. Explain with one example of each.

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Solution

Ozone is an oxidizing agent.
Ozone decomposes to liberate nascent oxygen atoms.
Ozone oxidises lead sulphide to lead sulphate.
$P b S + 4 O_{3} \to P b S O_{4} + 4 O_{2}$
Ozone oxidises potassium iodide to iodine.
$2 K I + H_{2} O + O_{3} \to 2 K O H + I_{2} + O_{2}$
Ozone is a reducing agent.
Ozone reduces hydrogen peroxide to water.
$H_{2} O_{2} + O_{3} \to H_{2} O + 2 O_{2}$
Ozone reduces barium peroxide to barium oxide.
$B a O_{2} + O_{3} \to B a O + 2 O_{2}$

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