Question

Action of Ammonium Hydroxide – on solutions of salts

Magnesium chloride MgCl2 + NH4OH ⟶ ____ + ____ ↓
Iron [II] sulphate FeSO4 + NH4OH ⟶ ____ + ____ ↓
Iron [III] chloride FeCl3 + NH4OH ⟶ ____ + ____ ↓
Copper [II] sulphate CuSO4 + NH4OH ⟶ ____ + ____ ↓ [Cu(OH)2 + (NH4)2SO4 + NH4OH [in excess] ⟶ ____ + ____]
Zinc sulphate ZnSO4 + NH4OH ⟶ ____ + ____ ↓ [Zn(OH)2 +(NH4)2SO4 + NH4OH [in excess] ⟶ ____ + ____]
Lead nitrate Pb(NO3)2 + NH4OH ⟶ ____ + ____↓

  • Analytical Chemistry
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Answer

Action of Ammonium Hydroxide — on solutions of salts

Magnesium chloride MgCl2 + 2NH4OH ⟶ 2NH4Cl + Mg(OH)2 ↓
Iron [II] sulphate FeSO4 + 2NH4OH ⟶ (NH4)2SO4 + Fe(OH)2 ↓
Iron [III] chloride FeCl3 + 3NH4OH ⟶ 3NH4Cl + Fe(OH)3 ↓
Copper [II] sulphate CuSO4 + 2NH4OH ⟶ (NH4)2SO4 + Cu(OH)2 ↓

[Cu(OH)2 + (NH4)2SO4 + 2NH4OH [in excess] ⟶ 4H2O + [Cu(NH3)4]SO4]
Zinc sulphate ZnSO4 + 2NH4OH ⟶ (NH4)2SO4 + Zn(OH)2 ↓

[Zn(OH)2 +(NH4)2SO4 + 2NH4OH [in excess] ⟶ 4H2O + [Zn(NH3)4]SO4]
Lead nitrate Pb(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Pb(OH)2 ↓

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