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Properties and uses of carboxylic acids. Every carboxylic acid has the same functional group, so they all have similar chemical properties:. They dissolve in water to make acidic solutions, with pH less than 7. They react with carbonates to produce carbon dioxide gas. For example:
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Every carboxylic acid has the same functional group, so they all have similar chemical properties:
They dissolve in water to make acidic solutions, with pH less than 7.
They react with carbonates to produce carbon dioxide gas. For example: • Calcium ethanoate is a salt. + calcium ethanoate + + ethanoic acid calcium carbonate water carbon dioxide
Vinegar is a solution of ethanoic acid and other compounds in water.
Citric acid is added to many drinks to give them a sour taste.
Aspirin is an important carboxylic acid. It is used as a painkiller, and is also taken by people at risk of heart attack since it reduces blood clotting.
Many fruits and vegetables contain ascorbic acid, vitamin C. Vitamin C is vital for health.
When an ant stings, it injects its victim with methanoic acid.
Butanoic acid gives rancid butter its foul smell, and vomit its sour taste. • Anti-whaling protesters shot butanoic acid at a Japanese whaling ship in 2010.
Describe two properties of carboxylic acids that are typical of all acids. • They dissolve in water to make acidic solutions, with pH less than 7. • They react with carbonates to produce carbon dioxide gas.
In the reaction of propanoic acid with sodium carbonate, what are the three products? • sodium propanoate • carbon dioxide • water