6.1.5 Carboxylic Acids and Acyl Chlorides

Question 1

What is the function group for a carboxylic acid?

Answer 1

-COOH

Question 2

Why are carboxylic acids described as weak acids?

Answer 2

In water they partially dissociate into carboxylate ions and hydrogen ions.

Question 3

How are carboxylic acids polar molecules?

Answer 3

Because electrons are drawn towards the oxygen atoms.

Question 4

What type of bonds are formed when a carboxylic acid and water reacts?

Answer 4

Hydrogen bonds

Question 5

What makes carboxylic acids soluble?

Answer 5

Hydrogen bonds are able to form between the slightly positive hydrogen and the slightly negative oxygen atoms on other molecules.

Question 6

Carboxylic acid + metal

Answer 6

salt + hydrogen

Question 7

Carboxylic acid + carbonate

Answer 7

salt + CO2 + H2O

Question 8

What is the functional group for an acyl chloride?

Answer 8

-COCl

Question 9

What is the prefix for an acyl chloride?

Answer 9

-oyl chloride

Question 10

How are acyl chlorides made?

Answer 10

When a carboxylic acid reacts with SOCl2

Question 11

What does acyl chlorides react with?

Answer 11

• Water
• Alcohol
  -Ammonia
  -Amines

Question 12

What aromatic compound does acyl chloride also react with?

Answer 12

Phenols.