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Consider the Following Mechanism for the Oxidation of Bromide Ions \to

question 21

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Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution.
H+ + H2O2  Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H<sup>+</sup> + H<sub>2</sub>O<sub>2</sub>   H<sub>2</sub>O<sup>+</sup>-OH (rapid equilibrium)  H<sub>2</sub>O<sup>+</sup>-OH + Br<sup>-</sup>  \to  HOBr + H<sub>2</sub>O (slow)  HOBr + H<sup>+</sup> + Br<sup>-</sup>  \to  Br<sub>2</sub> + H<sub>2</sub>O (fast)  What is the overall reaction equation for this process? A) 2H<sub>2</sub>O<sup>+</sup>-OH + 2Br<sup>-</sup>  \to  H<sub>2</sub>O<sub>2</sub> + Br<sub>2</sub> + 2H<sub>2</sub>O B) 2H<sup>+</sup> + 2Br<sup>-</sup> + H<sub>2</sub>O<sub>2</sub>  \to  Br<sub>2</sub> + 2H<sub>2</sub>O C) 2H<sup>+</sup> + H<sub>2</sub>O<sub>2</sub> + Br<sup>-</sup> + HOBr  \to  H<sub>2</sub>O<sup>+</sup>-OH + Br<sub>2</sub> + H<sub>2</sub>O D) H<sub>2</sub>O<sup>+</sup>-OH + Br<sup>-</sup> + H<sup>+</sup>  \to  Br<sub>2</sub> + H<sub>2</sub>O E) None of these choices is correct.
H2O+-OH (rapid equilibrium)
H2O+-OH + Br- \to HOBr + H2O (slow)
HOBr + H+ + Br- \to Br2 + H2O (fast)
What is the overall reaction equation for this process?


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