C3 - Carboxylic Acids Flashcards

1
Q

What does a carboxylic acid end in?

A

‘anoic acid’.

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2
Q

What do carboxylic acids react with carbonates to produce?

A

CO2 & and a salt ending in ‘anoate’.

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3
Q

What happens when you dissolve a carboxylic acid in water?

A

An acidic solution is formed.

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4
Q

Why is an acidic solution formed when you dissolve carboxylic acids in water?

A

It ionises and releases H+ ions, but doesn’t ionise fully so a weak solution with a higher pH is formed.

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5
Q

What is the use of carboxylic acid regarding ethanol?

A

It oxidises ethanol to produce ethanoic acid.

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6
Q

What can useful substance you produce when you dissolve a carboxylic acid in water?

A

Vinegar for flavouring and preserving food.

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7
Q

What are the sources of citric acid?

A

Oranges & lemons.

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8
Q

What are the uses of citric acid? [2]

A

Fizzy drinks.

To get rid of scale.

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9
Q

What do longer chains of carboxylic acids tend to be?

A

Soaps & detergents.

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10
Q

What is ethanoic acid good for?

A

Using as a solvent.

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11
Q

What is the functional group of a carboxylic acid?

A

COOH.

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