Chemistry 7.2.5

Question 1

What is the General Formula for the Homologous Series of Carboxylic Acids?

Answer 1

CnH2n+1COOH

Question 2

As the Carbon Chain Length in Carboxylic Acids Increases, so does the… (2)

Answer 2

-Boiling Point.
-Viscosity.

Question 3

What are the first four Carboxylic Acids called? (4)

Answer 3

-Methanoic Acid.

-Ethanoic Acid.

-Propanoic Acid.

-Butanoic Acid.

Question 4

What do Carboxylic Acids form when they React with Metals (same with other Acids)? (2)

Answer 4

-Salt.
-Hydrogen.

Question 5

What do Carboxylic Acids form when they React with Carbonates (same with other Acids)? (3)

Answer 5

-Salt.
-Water.
-Carbon Dioxide Gas.

Question 6

What is Produced when Carboxylic Acids take part in Neutralisation Reactions (same with other Acids)? (2)

Answer 6

-Salt.
-Water.

Question 7

What is the Salt formed by Methanoic Acid called?

Answer 7

Methanoate.

Question 8

What is the Salt formed by Ethanoic Acid called?

Answer 8

Ethanoate.

Question 9

Define ‘Esterification’:

Answer 9

The Process by which Esters are Produced. Alcohols and Carboxylic Acids react in the Presence of an Acid Catalyst.

Question 10

What is the Functional Group for Esters?

Answer 10

R-COO-R.

Question 11

What will be Produced when Ethanoic Acid Reacts with Ethanol in the Presence of an Acid Catalyst?

Answer 11

Ethyl Ethanoate. This is an Ester.

Question 12

What is the Functional Group for Carboxylic Acids?

Answer 12

-COOH