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Which requries catayst

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Which requries catayst
A. `S+O_(2)rarr SO_(2)`
B. `2SO_(2)+O_(2)rarr 2SO_(3)`
C. `C+O_(2) rarr CO_(2)`
D. All
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1 Answer

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Best answer
Correct Answer - B
`underset(g)(2SO_(2))+underset(g)(O_(2))overset("Pt Catalyst")underset("Asbestos(promoter)")(rarr)2SO_(3)(g)`
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