Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Redox reactions occur frequently in Group 17 chemistry. Which statement is correct?

  • A$\text{Br}^-$ ions will reduce $\text{Cl}_2$ but not $\text{I}_2$.
  • B$\text{Cl}_2$ will oxidise $\text{Br}^-$ ions but not $\text{I}^-$ ions.
  • C$\text{F}_2$ is the weakest oxidising agent out of $\text{F}_2$, $\text{Cl}_2$, $\text{Br}_2$ and $\text{I}_2$.
  • D$\text{I}^-$ ions are the weakest reducing agent out of $\text{F}^-$, $\text{Cl}^-$, $\text{Br}^-$ and $\text{I}^-$.

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