Chemistry
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] |
Ammonia
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Answer
| Ammonia | Complete and balance the equations |
|---|---|
| 26. Heated copper oxide | 3CuO + 2NH3 ⟶ 3Cu + 3H2O + N2 [g] |
| 27. Heated lead oxide | 3PbO + 2NH3 ⟶ 3Pb + 3H2O + N2 [g] |
| 28. Chlorine [ammonia in excess] | 2NH3 + 3Cl2 ⟶ 6HCl + N2 [g] 6NH3 + 6HCl ⟶ 6NH4Cl __ 8NH3 + 3Cl2 ⟶ 6NH4Cl + N2 [g] |
| 29. Chlorine [chlorine in excess] | NH3 + 3Cl2 ⟶ 3HCl + NCl3 [g] |
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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)]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 with14. 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]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.