Chemistry 0620 · IGCSE · Ions and ionic bonds

Ions and ionic bonds — practice question

The reaction equation for iron(III) chloride and sodium hydroxide is shown. $\text{FeCl}_3(aq) + 3\text{NaOH}(aq) \rightarrow \text{Fe(OH)}_3(s) + 3\text{NaCl}(aq)$. What is the ionic equation for this reaction?

  • A$\text{Fe}^{3+}(aq) + 3\text{OH}^-(aq) \rightarrow \text{Fe}^{3+}(s) + 3\text{OH}^-(s)$
  • B$\text{Fe}^{3+}(aq) + 3\text{OH}^-(aq) \rightarrow \text{Fe(OH)}_3(s)$
  • C$3\text{Na}^+(aq) + 3\text{Cl}^-(aq) \rightarrow 3\text{Na}^+(aq) + 3\text{Cl}^-(aq)$
  • D$3\text{Na}^+(aq) + 3\text{Cl}^-(aq) \rightarrow 3\text{NaCl}(aq)$

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