Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

When hydrogen chloride gas reacts with water, an acidic solution is formed. The reaction is represented by the equation below. $\text{HCl} + \text{H}_2\text{O} \rightarrow \text{Cl}^- + \text{H}_3\text{O}^+$ Which statement best explains what occurs in this reaction?

  • AThe chloride ion is formed by accepting an electron from the water.
  • BThe hydrogen chloride loses an electron to form the chloride ion.
  • CThe water accepts a proton from the hydrogen chloride.
  • DThe water donates a proton to the hydrogen chloride.

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