8.1 Theories of acids and bases

Question 1

What is a Brønstedt-Lowry acid?

Answer 1

A substance that can donate a proton

Question 2

What is required of a Brønstedt-Lowry acid

Answer 2

The substance must have a H-atom attached by a bond that is easily broken

Question 3

What is a Brønstedt-Lowry base?

Answer 3

A substance that can accept a proton

Question 4

What is required of Brønstedt-Lowry base?

Answer 4

The substance must have a lone pair which a H-ion can bond to

Question 5

What are monoprotic acids?

Answer 5

Acids than can donate 1 hydrogen ion

Question 6

What are diprotic acids?

Answer 6

Acids that can donate 2 hydrogen ions

Question 7

What are triprotic acids?

Answer 7

Acids that can donate 3 hydrogen ions

Question 8

What is an amphiprotic substance?

Answer 8

A substance that can act as both an acid and a base

Question 9

Example of an amphiprotic substance

Answer 9

H₂O (H₃O⁺/OH⁻)

Question 10

What is an amphoteric substance?

Answer 10

A substance that can react with both acids and bases

Question 11

Example of an amphoteric substance

Answer 11

Aluminium oxide: Al₂O₃