C3 - Carboxylic Acids Flashcards Preview

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Flashcards in C3 - Carboxylic Acids Deck (11):
1

What does a carboxylic acid end in?

'anoic acid'.

2

What do carboxylic acids react with carbonates to produce?

CO2 & and a salt ending in 'anoate'.

3

What happens when you dissolve a carboxylic acid in water?

An acidic solution is formed.

4

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

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

5

What is the use of carboxylic acid regarding ethanol?

It oxidises ethanol to produce ethanoic acid.

6

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

Vinegar for flavouring and preserving food.

7

What are the sources of citric acid?

Oranges & lemons.

8

What are the uses of citric acid? [2]

Fizzy drinks.

To get rid of scale.

9

What do longer chains of carboxylic acids tend to be?

Soaps & detergents.

10

What is ethanoic acid good for?

Using as a solvent.

11

What is the functional group of a carboxylic acid?

COOH.