C6.2

Question 1

How are carboxylic acids made?

Answer 1

1. Alcohols react w oxidising agents = potassium manganate(VII) solution acidified w little dilute sulfuric acid
2. Add some oxidising agent to ethanol and warm in WATER BATH
3. Colour change observed = purple to pale pink

Question 2

What is the oxidising agent used to create carboxylic acids?

Answer 2

Potassium manganate (vii) acidified by dilute sulfuric acid 
KMnO4(aq)

Question 3

Hazard warnings to carboxylic acid practical

Answer 3

• ethanol is flammable and harmful

- potassium manganate is harmful + stains hands and clothing

Question 4

How to carboxylic acids react w metals

Answer 4

—> salts + hydrogen

Question 5

How do carboxylic acids react w alkalis

Answer 5

—> salts + water

Question 6

How do carboxylic acids react w carbonates + example w ethanoic acid

Answer 6

Ethanoic acid