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Question
On reaction with a stronger oxidizing agent like KIO4, hydrogen peroxide with the evolution of O2. The oxidation number of I in KIO4 changes to ______.
Options
3
5
7
9
MCQ
Fill in the Blanks
Solution
On reaction with a stronger oxidizing agent like KIO4, hydrogen peroxide with the evolution of O2. The oxidation number of I in KIO4 changes to 5.
Explanation:
\[\ce{IO^-_4 + H2O2 -> IO^-_3 + O2}\]
The oxidation number of I in KIO4 is +7 and it changes to KIO3, in which the oxidation number of I is +5.
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Oxidation Number - Introduction
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