Chemistry

Chemistry

Problem

Which statement or statements about the following reaction at 450∘C450^\circ\text{C} is/are correct? 2SO2(g)+O2(g)→2SO3(g)2\text{SO}_2(\text{g}) + \text{O}_2(\text{g}) \rightarrow 2\text{SO}_3(\text{g}) - I. The reaction must involve a collision between one O2\text{O}_2 and two SO2\text{SO}_2 molecules. - II. Every collision between SO2\text{SO}_2 and O2\text{O}_2 will produce SO3\text{SO}_3 . - III. The rate-determining step is the slowest step of the reaction.

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