Chemistry
Chemical properties of ammonia
| Ammonia | Complete and balance the equations |
|---|---|
| Combustibility | |
| 12. Burning of ammonia in oxygen | NH3 + O2 ⟶ …………… + …………… |
| 13. Catalytic oxidation of ammonia | NH3 + O2 ⟶ …………… + …………… + Δ (Pt/800°C) |
| Basic nature Reaction of ammonia gas with | |
| 14. Hydrochloric acid | NH3 + HCl ⟶ …………… |
| 15. Nitric acid | NH3 + HNO3 ⟶ …………… |
| 16. Sulphuric acid | NH3 + H2SO4 ⟶ …………… |
| 17. Water [Dissociation of aq. soln.] | NH3 + H2O ⟶ …………… [NH4OH ⇌ NH4+ + …………… ] |
| Reaction of ammonia [aq. soln.] with | |
| 18. Hydrochloric acid | NH4OH + HCl ⟶ …………… + …………… |
| 19. Nitric acid | NH4OH + HNO3 ⟶ …………… + …………… |
| 20. Sulphuric acid | NH4OH + H2SO4 ⟶ …………… + …………… |
| Reaction of ammonia [aq. soln.] with metallic salt solutions | |
| 21. Iron [II] sulphate | FeSO4 + NH4OH ⟶ …………… + …………… ↓ |
| 22. Iron [III] chloride | FeCl3 + NH4OH ⟶ …………… + …………… ↓ |
| 23. Lead nitrate | Pb(NO3)2 + NH4OH ⟶ …………… + …………… ↓ |
| 24. Zinc sulphate | ZnSO4 + NH4OH ⟶ …………… + ……………↓ [Zn(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ …………… + H2O] |
| 25. Copper sulphate | CuSO4 + NH4OH ⟶ …………… + …………… ↓ [Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ …………… + H2O] |
Ammonia
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Answer
| Ammonia | Complete and balance the equations |
|---|---|
| Combustibility | |
| 12. Burning of ammonia in oxygen | 4NH3 + 3O2 ⟶ 2N2 + 6H2O |
| 13. Catalytic oxidation of ammonia | 4NH3 + 5O2 ⟶ 4NO + 6H2O + Δ (Pt/800°C) |
| Basic nature Reaction of ammonia gas with | |
| 14. Hydrochloric acid | NH3 + HCl ⟶ NH4Cl |
| 15. Nitric acid | NH3 + HNO3 ⟶ NH4NO3 |
| 16. Sulphuric acid | 2NH3 + H2SO4 ⟶ (NH4)2SO4 |
| 17. Water [Dissociation of aq. soln.] | NH3 + H2O ⟶ NH4OH [NH4OH ⇌ NH4+ + OH-] |
| Reaction of ammonia [aq. soln.] with | |
| 18. Hydrochloric acid | NH4OH + HCl ⟶ NH4Cl + H2O |
| 19. Nitric acid | NH4OH + HNO3 ⟶ NH4NO3 + H2O |
| 20. Sulphuric acid | 2NH4OH + H2SO4 ⟶ (NH4)2SO4 + 2H2O |
| Reaction of ammonia [aq. soln.] with metallic salt solutions | |
| 21. Iron [II] sulphate | FeSO4 + 2NH4OH ⟶ (NH4)2SO4 + Fe(OH)2 ↓ |
| 22. Iron [III] chloride | FeCl3 + 3NH4OH ⟶ 3NH4Cl + Fe(OH)3 ↓ |
| 23. Lead nitrate | Pb(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Pb(OH)2 ↓ |
| 24. Zinc sulphate | ZnSO4 + 2NH4OH ⟶ (NH4)2SO4 + Zn(OH)2 ↓ [Zn(OH)2] + (NH4)2SO4 + 2NH4OH ⟶ [Zn(NH3)4]SO4 + 4H2O |
| 25. Copper sulphate | CuSO4 + 2NH4OH ⟶ (NH4)2SO4 + Cu(OH)2 + ↓ [Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ Cu(NH3)4SO4 + 4H2O] |
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Related Questions
Preparation of ammonia
Ammonia Complete and balance the equations Laboratory preparation
[from ammonium salts]1. Ammonium chloride + alkali NH4Cl + Ca(OH)2 ⟶ …………… + H2O + …………… [g] 2. Ammonium chloride + alkali NH4Cl + NaOH ⟶ …………… + H2O + …………… [g] 3. Ammonium sulphate + alkali (NH4)2SO4 + NaOH ⟶ …………… + H2O + …………… [g] 4. Ammonium sulphate + alkali (NH4)2SO4 + Ca(OH)2 ⟶ …………… + H2O + …………… [g] Reactions of ammonia with drying agents 5. Sulphuric acid [conc.] NH3 + H2SO4 ⟶ …………… 6. Phosphorus pentaoxide NH3 + P2O5 + H2O ⟶ …………… 7. Calcium chloride NH3 + CaCl2 ⟶ …………… Laboratory preparation
[from metal nitrides]8. Magnesium nitride Mg3N2 + H2O ⟶ …………… + …………… [g] 9. Calcium nitride Ca3N2 + H2O ⟶ …………… + …………… [g] 10. Aluminium nitride AlN + H2O ⟶ …………… + …………… [g] Manufacture of ammonia 11. Haber's process N2 + H2 ⇌ …………… + Δ
Temperature ……………
Pressure ……………
Catalyst ……………
Promoter ……………
Favourable conditions :
…………… [temperature (high/low)]
…………… [pressure (high/low)]As a reducing agent [ammonia gas]
Ammonia Complete and balance the equations 26. Heated copper oxide CuO + NH3 ⟶ …………… + H2O + …………… [g] 27. Heated lead oxide PbO + NH3 ⟶ …………… + H2O + …………… [g] 28. Chlorine [ammonia in excess] NH3 + Cl2 ⟶ …………… + N2 [g]
NH3 + HCl ⟶ ……………
__
8NH3 + Cl2 ⟶ …………… + …………… [g]29. Chlorine [chlorine in excess] NH3 + Cl2 ⟶ …………… + …………… [g] From NH3, HCl, H2S, SO2 – Select :
(i) The gas which when bubbled through CuSO4 soln., a deep blue coloured soln. is formed.
(ii) This gas burns in oxygen with a green flame.
Write the equation for the reaction in the Haber’s process that forms ammonia.