Strong and Weak Acids and Bases

Question 1

List 3 strong acids

Answer 1

• HCl – Hydrochloric acid
• HNO₃ – Nitric acid
• H₂SO₄ – Sulfuric acid (only the first proton dissociates strongly)

Question 2

List 2 strong bases and the general rule for them

Answer 2

• NaOH – Sodium hydroxide
• KOH – Potassium hydroxide
  Group 1 hydroxides and barium hydroxide

Question 3

List 5 weak acids and their rule

Answer 3

• CH₃COOH – Ethanoic (acetic) acid
• H₃PO₄ – Phosphoric acid
• H₂CO₃ – Carbonic acid
• HF – Hydrofluoric acid
• HCN – Hydrocyanic acid
  Carbonic and carboxylic acids

Question 4

List 2 weak bases and their rule

Answer 4

• NH₃ – Ammonia
• CH₃NH₂ – Methylamine
  Ammonia and amines