Carboxylic acids and Esters

Question 1

What is the name given to salts from carboxylic acids?

Answer 1

Carboxylates

Question 2

What is the standard test for a carboxyl group?

Answer 2

• Add sodium carbonate
• effervescence occurs
• bubble the gas produced through limewater
• a white precipitate should be formed

Question 3

What is a carboxylic acid derivative?

Answer 3

A compound which can be hydrolysed to form the parent carboxylic acid

Question 4

Give 3 examples of derivatives

Answer 4

• Acyl chloride
• Anhydride
• Ester

Question 5

Give the equation for the formation of acyl chloride from a carboxylic acid

Answer 5

Carboxylic acid + SOCl2 —> Acyl chloride + SO2 + HCl