(Note:-please clear my doubt.who clear my doubt with proof i gave 100 likes).......2SO2 + O2-->2SO3 . this denote presence of particulate matter in polluted air catalyses the oxidation of SO2 to SO3.... for me what doubt mean o2 is catalyst or not?..
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Answer:
no it is not catalyst
Explanation:
2SO
2
+O
2
⇌2SO
3
+Heat
In this reaction, heat is released i.e the reaction is exothermic, in forward reaction. Forward reactions are favoured at low temperatures and high pressures.
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