Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

In a solution that includes both $\text{Br}_2$ and $\text{Cl}_2$, a reaction occurs that forms $\text{BrO}_3^-$ ions. This reaction is shown by the equations below. Equation 1: $\text{Br}_2 + \text{H}_2\text{O} \rightarrow \text{HBr} + \text{HBrO}$ Equation 2: $3\text{HBrO} + \text{Cl}_2 \rightarrow 2\text{Cl}^- + \text{BrO}_3^- + \text{Br}_2 + 3\text{H}^+$ Which of the following statements about these reactions are true?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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