1. The conversion of oxygen gas to ozone can be catalyzed by the pollutant, nitrogen monoxide gas in the air. Suggest a possible mechanism for this reaction if nitrogen dioxide gas and oxygen free radicals are known to be formed as the intermediate compounds.
SOLVE THE FOLLOWING CHEMISTRY QUESTIONS.
1. The conversion of oxygen gas to ozone can be catalyzed by the pollutant, nitrogen monoxide gas in the air. Suggest a possible mechanism for this reaction if nitrogen dioxide gas and oxygen free radicals are known to be formed as the intermediate compounds.
2. The reaction between peroxodisulphate (VI) ions, S2O82-and iodide ions, I- can be catalyzed by iron(III) ions, Fe3+.
a). Suggest a mechanism for the catalytic reaction.
b) Sketch an energy profile diagram for the catalyzed and uncatalyzed reactions.
3. The decomposition of hydrogen peroxide to oxygen and water is an exothermic reaction and is catalyzed by manganese dioxide. Sketch the energy profile for the catalyzed and uncatalyzed decomposition of hydrogen peroxide.
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