Write balanced chemical equation for the following:

(a) Ammonium hydroxide is added to ferrous sulphate solution.

(b) Magnesium nitride is treated with warm water.

(c) Ammonium chloride is heated with sodium hydroxide.

(d) Chlorine reacts with excess of ammonia.

(e) Ammonia and Oxygen in the presence of a catalyst.

(f) Reduction of hot copper (II) oxide to copper using Ammonia gas.

(g) To illustrate the reducing nature of ammonia.

(h) Lab. preparation of ammonia using an ammonium salt.

(i) Reaction of ammonia with excess of chlorine.

(j) Reaction of ammonia with sulphuric acid.

(k) When excess of ammonia is treated with chlorine.

(a) FeSO₄ + 2NH₄OH ⟶ (NH₄)₂SO₄ + Fe(OH)₂ ↓

(b) Mg₃N₂ + 6H₂O ⟶ 3Mg(OH)₂ + 2NH₃↑

(c) NH₄Cl + NaOH ⟶ NaCl + H₂O + NH₃

(d) 8NH₃ [excess] + 3Cl₂ ⟶ 6NH₄Cl + N₂

(e) 4NH₃ + 5O₂ $\xrightarrow[800 \degree \text{C}]{\text{Pt.}}$ 6H₂O + 4NO↑ + Δ

(f) 2NH₃ + 3CuO ⟶ 3Cu + 3H₂O + N₂ [g]

(g) 2NH₃ + 3CuO ⟶ 3Cu + 3H₂O + N₂ [g]

(h) 2NH₄Cl + Ca(OH)₂ ⟶ CaCl₂ + 2H₂O + 2NH₃↑

(i) NH₃ + 3Cl₂ [excess] ⟶ 3HCl + NCl₃

(j) 2NH₃ + H₂SO₄ (dil.) ⟶ (NH₄)₂SO₄

(k) 8NH₃ [excess] + 3Cl₂ ⟶ 6NH₄Cl + N₂