Carboxylic acids (AQA GCSE Chemistry): Flashcards

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Carboxylic acids
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Functional group of carboxylic acids

-COOH

How carboxylic acids are made

By oxidising alcohols

Ending of carboxylic acid names

-anoic acid

Formula: methanoic acid

HCOOH\text{HCOOH}

Formula: ethanoic acid

CH3COOH\text{CH}_3\text{COOH}

What carboxylic acids release in water

Hydrogen ions (H+\text{H}^+)

Gas from carboxylic acids + carbonates

Carbon dioxide

Observation: carboxylic acids + carbonates

Fizzing

Product: carboxylic acids + alcohols

Esters

Catalyst for ester formation

Acid catalyst

Universal indicator with carboxylic acids

Red or orange

Calcium carbonate test for carboxylic acids

Fizzing; gas makes limewater cloudy

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