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

The characteristic properties of acids and bases — practice question

In $100\,\text{cm}^3$ of $0.1\,\text{mol dm}^{-3}$ hydrochloric acid, the concentration of hydrogen ions is greater than in $100\,\text{cm}^3$ of $0.1\,\text{mol dm}^{-3}$ ethanoic acid. Which statement accounts for the difference in hydrogen ion concentration?

  • AEthanoic acid is an organic acid.
  • BEthanoic acid has a lower pH than hydrochloric acid.
  • CEthanoic acid is partially dissociated.
  • DEthanoic acid is a strong acid.

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