ICSE Class 10 Chemistry Question 13 of 69

Study of Compounds — Ammonia — Question 2

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Question 2

Chemical properties of ammonia

AmmoniaComplete and balance the equations
Combustibility 
12. Burning of ammonia in oxygenNH3 + O2 ⟶ ............... + ...............
13. Catalytic oxidation of ammoniaNH3+O2800°CPt................+...............+Δ\text{NH}_3 + \text{O}_2 \xrightarrow[800 \degree \text{C}]{\text{Pt.}} ............... + ............... + \Delta
Basic nature
Reaction of ammonia gas with
   
14. Hydrochloric acidNH3 + HCl ⟶ ...............
15. Nitric acidNH3 + HNO3 ⟶ ...............
16. Sulphuric acidNH3 + H2SO4 ⟶ ...............
17. Water [Dissociation of aq. soln.]NH3 + H2O ⟶ ...............
[NH4OH ⇌ NH4+ + ............... ]
Reaction of ammonia [aq. soln.] with   
18. Hydrochloric acidNH4OH + HCl ⟶ ............... + ...............
19. Nitric acidNH4OH + HNO3 ⟶ ............... + ...............
20. Sulphuric acidNH4OH + H2SO4 ⟶ ............... + ...............
Reaction of ammonia [aq. soln.] with metallic salt solutions   
21. Iron [II] sulphateFeSO4 + NH4OH ⟶ ............... + ............... ↓
22. Iron [III] chlorideFeCl3 + NH4OH ⟶ ............... + ............... ↓
23. Lead nitratePb(NO3)2 + NH4OH ⟶ ............... + ............... ↓
24. Zinc sulphateZnSO4 + NH4OH ⟶ ............... + ...............↓
[Zn(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ ............... + H2O]
25. Copper sulphateCuSO4 + NH4OH ⟶ ............... + ............... ↓
[Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ ............... + H2O]
Answer
AmmoniaComplete and balance the equations
Combustibility 
12. Burning of ammonia in oxygen4NH3 + 3O22N2 + 6H2O
13. Catalytic oxidation of ammonia4NH3+5O2800°CPt.4NO+6H2O+Δ4\text{NH}_3 + 5\text{O}_2 \xrightarrow[800 \degree \text{C}]{\text{Pt.}} \bold{4NO} + \bold{6H}_\bold{2}\bold{O} + \Delta
Basic nature
Reaction of ammonia gas with
   
14. Hydrochloric acidNH3 + HCl ⟶ NH4Cl
15. Nitric acidNH3 + HNO3NH4NO3
16. Sulphuric acid2NH3 + H2SO4(NH4)2SO4
17. Water [Dissociation of aq. soln.]NH3 + H2O ⟶ NH4OH
[NH4OH ⇌ NH4+ + OH-]
Reaction of ammonia [aq. soln.] with   
18. Hydrochloric acidNH4OH + HCl ⟶ NH4Cl + H2O
19. Nitric acidNH4OH + HNO3NH4NO3 + H2O
20. Sulphuric acid2NH4OH + H2SO4(NH4)2SO4 + 2H2O
Reaction of ammonia [aq. soln.] with metallic salt solutions   
21. Iron [II] sulphateFeSO4 + 2NH4OH ⟶ (NH4)2SO4 + Fe(OH)2
22. Iron [III] chlorideFeCl3 + 3NH4OH ⟶ 3NH4Cl + Fe(OH)3
23. Lead nitratePb(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Pb(OH)2
24. Zinc sulphateZnSO4 + 2NH4OH ⟶ (NH4)2SO4 + Zn(OH)2
[Zn(OH)2] + (NH4)2SO4 + 2NH4OH ⟶ [Zn(NH3)4]SO4 + 4H2O
25. Copper sulphateCuSO4 + 2NH4OH ⟶ (NH4)2SO4 + Cu(OH)2 + ↓
[Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ Cu(NH3)4SO4 + 4H2O]