8. Neutralisation and salt formation

Question:

4 m.

Answer the following:

Sonia performed three reactions, three salts are formed during different processes:

i. Salt P is formed from hydrochloric acid and potassium hydroxide
ii. Salt Q is formed from acetic acid and ammonia
iii. Salt R is formed from sulphuric acid and ammonium hydroxide

1. Identify salts P, Q, and R.

P - Sodium chloride, Q - Ammonium chloride, R - Ammonium sulphate
P - Sodium chloride, Q - Ammonium acetate, R - Ammonium sulphate
P - Potassium sulphate, Q - Ammonium acetate, R - Ammonium chloride
P - Potassium chloride, Q - Ammonium acetate, R - Ammonium sulphate

2. Identify the nature of each solution.

P - Neutral, Q - Basic, R - Acidic
P - Neutral, Q - Neutral, R - Acidic
P - Neutral, Q - Acidic, R - Basic
P - Basic, Q - Neutral, R - Acidic

3. Write the ionic equation for the formation of water during the neutralisation reaction.

\(H_2^+ + OH^- → H_2O\)
\(H_2^+ + 2OH^- → H_2O\)
\(H^- + OH^- → H_2O\)
\(H^+ + OH^- → H_2O\)

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