OCR A2 Chemistry: Carboxylic Acids

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  • Created by: LucySPG
  • Created on: 15-09-13 13:08
What is the name of the functional group carboxylic acids contain?
Carboxyl functional group
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What is the systematic name carboxylic acids end in?
-oic acid
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When 2 carboxyl groups are present, what is the ending?
-dioic acid
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When naming a carboxylic acid, what carbon should you start with?
The carboxyl carbon
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What is the name of this carboxylic acid?
methanoic acid
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What is the name of this carboxylic acid?
propanoic acid
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What is the name of this carboxylic acid?
benzene carboxylic acid
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What is the name of this carboxylic acid?
3-methylbutanoic acid
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What is the name of this carboxylic acid?
ethanedioic acid
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Is a carboxylic acid a weak or a strong acid?
A weak acid
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What happens to carboxylic acids when added to a aqueous solution?
They partially dissociate to form hydrogen ions and carboxylate ions
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What do carboxylic acids form when they partially dissociate in an aqueous solution?
Hydrogen ions and carboxylate ions
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What is formed when a carboxylic acid reacts with a base?
A salt and water
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Name the end part of a salt
-anoate
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How are esters made?
Reacting carboxylic acids with alcohols
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What is needed to react an alcohol with a carboxylic acid to form an ester?
A strong acid catalyst such as concentrated sulphuric acid
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What method is used to heat an alcohol with a carboxylic acid to form an ester?
Reflux
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What is the term used to describe the formation of an ester?
Esterification
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What is formed when you react a carboxylic acid with an alcohol?
An ester and water
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What is formed when a carboxylic acid reacts with a carbonate?
A salt, carbon dioxide and water
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What 2 solutions can you use to test for acids?
Sodium carbonate or sodium hydrogencarbonate
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What is the test for carbon dioxide?
Turns limewater milky
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How do you test for acids?
Add sodium carbonate or sodium hydrogencarbonate to a carboxylic acid. This should produce carbon dioxide which can be confirmed by testing with limewater
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Name the following
methyl ethanoate
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Name the following
ethanoyl chloride
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Name the following
ethanamide
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Name the following
ethanoic anhydride
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Other cards in this set

Card 2

Front

What is the systematic name carboxylic acids end in?

Back

-oic acid

Card 3

Front

When 2 carboxyl groups are present, what is the ending?

Back

Preview of the front of card 3

Card 4

Front

When naming a carboxylic acid, what carbon should you start with?

Back

Preview of the front of card 4

Card 5

Front

What is the name of this carboxylic acid?

Back

Preview of the front of card 5
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