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SO2 to SO3 in the contact process is what kind of reaction?
AReversible and endothermic
BIrreversible and exothermic
CReversible and exothermic
DIrreversible and endothermic
Answer & Solution
Correct answer: C. Reversible and exothermic
The oxidation is an equilibrium that releases heat, so lower temperature favours more SO3.
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