Chemistry 0620 · IGCSE · Redox

Redox — practice question

Which reaction involving hydrochloric acid is a redox reaction?

  • A$2\text{Na} + 2\text{HCl} \rightarrow 2\text{NaCl} + \text{H}_2$
  • B$\text{Na}_2\text{O} + 2\text{HCl} \rightarrow 2\text{NaCl} + \text{H}_2\text{O}$
  • C$\text{NaOH} + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{O}$
  • D$\text{Na}_2\text{CO}_3 + 2\text{HCl} \rightarrow 2\text{NaCl} + \text{H}_2\text{O} + \text{CO}_2$

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