Carboxylic Acids

Question 1

What is the chemical formula for methanol can acid?

Answer 1

HCOOH

Question 2

What is the chemical formula for ethanoic acid?

Answer 2

CH3COOH

Question 3

What is the chemical formula for propanoic acid?

Answer 3

C2H5COOH

Question 4

How ionising are the carboxylic acids?

Answer 4

They are weakly ionising, meaning that in aqueous they ionise and create H+.

However they create less H+ ions than another acid of the same concentration meaning that for the same concentration they have a higher pH

Question 5

How is vinegar made?

Answer 5

Ethanoic acid can be made by oxidising ethanol, either using yeast or oxidising agents.

The ethanoic acid is then dissolved in water to make vinegar

Question 6

Why is ethanoic acid not usually chosen as a solvent despite its virtue?

Answer 6

It makes the solution acidic

Question 7

What is an industrial use of long chain carboxylic acids?

Answer 7

Soaps and detergents

Question 8

How do carboxylic acids react with carbonates?

Answer 8

They produce carbon dioxide and an -anoate salt

Question 9

What is the functional group for carboxylic acids?

Answer 9

-COOH