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A carboxylic acid is one which contains -COOH as its functional group. In comparison to mineral acids, carboxylic acids show some similarities, but also, some important differences.

Remember:

• All acids are soluble in water
• They release H⁺ ions in water
• They release H₂ gas when reacted with a metal
• They release CO₂ gas when reacted with a metal carbonate
• They have pH values less than 7

In this practical you will compare the reactions of a carboxylic acid (ethanoic acid) with the reactions of hydrochloric acid.