2P06 Answers (By Group 6)

Practical 2P06 Answers

Observations: A white precipitate is formed and it tastes salty

Conclusion: Acid reacts with alkali to produce salt and water

Exercise

1a) Hydrochloric acid + Sodium Hydroxide à Sodium Chloride + Water

1b) HCl + NaOH à NaCl + H2O

2a) Hydrochloric acid + Potassium Hydroxide à Potassium Chloride + Water

2b) HCl + KOH à KCl + H2O

3a) Hydrochloric acid + Calcium Hydroxide à Calcium Chloride + Water

3b) 2HCl + Ca(OH)2 à CaCl2 + 2H2O

4a) Nitric Acid + Sodium Hydroxide à Sodium Nitrate + Water

4b) HNO3 + NaOH à NaNO3 + H2O

5a) Nitric acid + Potassium Hydroxide à Potassium Nitrate + Water

5b) HNO3 + KOH à KNO3 + H2O

6a) Nitric acid + Calcium Hydroxide à Calcium Nitrate + Water

6b) 2HNO3 + Ca(OH)2 à Ca(NO3)2 + 2H2O

7a) Sulfuric acid + Sodium Hydroxide à Sodium Sulfate + Water

7b) H2SO4 + 2NaOH à Na2SO4 + 2H2O

8a) Sulfuric acid + Potassium Hydroxide à Potassium Sulfate + Water

8b) H2SO4 + 2KOH à K2SO4 + 2H2O

9a) Sulfuric acid + Calcium Hydroxide à Calcium Sulfate + Water

9b) H2SO4 + Ca(OH)2 à CaSO4 + 2H2O

10a) Hydrochloric acid + Ammonia solution à Ammonium Chloride + water

10b) NH3 + H2O --> NH4OH

11a) Nitric acid + Ammonia solution à Ammonium gas + Nitrate

10b) NH3 + H2O --> NH4OH

12a) Sulfuric acid + Ammonia solution à Ammonium Sulfate + water

12b) H2SO4 + 2NH4OH à (NH4)2SO4 + 2H2O