Why a paper soaked with the solution containing starch and potassium iodide turns blue when it comes into contact with ozone gas?
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When O3 is made in contact with starch - iodide paper, it turns to blue due to. ... The paper, called Schoenbein paper, changes color when ozone is present. Ozone act as oxidizing agent and causes iodide to oxidize into iodine ( Ozone in the air will oxidize the potassium iodide on the test paper to produce iodine.
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Answered by
6
Explanation:
When O3 is made in contact with starch - iodide paper, it turns to blue due to. ... The paper, called Schoenbein paper, changes color when ozone is present. Ozone act as oxidizing agent and causes iodide to oxidize into iodine ( Ozone in the air will oxidize the potassium iodide on the test paper to produce iodine.
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