Carboxylic Acids as Acids (AQA GCSE Chemistry): Flashcards

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Carboxylic Acids as Acids
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Carboxylic acids are what type of acid?

Weak acids

Examples of mineral acids (3)

HClHCl, H2SO4H_2SO_4, HNO3HNO_3

How carboxylic acids ionise in water

Partially ionise

% of ethanoic acid ionised in water

About 5%

Out of 100 ethanoic acid molecules, how many ionise

About 5

pH range of carboxylic acids

Between 3 and 7

Carboxylic acid pH compared to strong acids

Higher (less acidic)

Carboxylic acid reaction speed vs strong acids

Slower and less vigorous

Why carboxylic acids are weak acids

Do not fully dissociate in water

How strong acids like HClHCl dissociate

Fully dissociate

Ions released by carboxylic acids in water

Hydrogen ions (H+H^+)

Ethanoic acid ionisation equilibrium

CH3COOH⇌H++CH3COO−CH_3COOH \rightleftharpoons H^+ + CH_3COO^-

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