Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Solutions that contain chlorate(I) ions are used as household bleach agents and disinfectants. On heating, these solutions decompose as shown. $3\text{ClO}^- \rightarrow \text{ClO}_3^- + 2\text{Cl}^-$ What oxidation state does chlorine have in each of these three ions?

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