Chemistry
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.
Ammonia
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Answer
(i) Ammonia (NH3)
CuSO4 + 2NH4OH [ammonia soln.]⟶ (NH4)2SO4 + Cu(OH)2
Cu(OH)2 + (NH4)2SO4 + 2NH4OH ⟶ [Cu(NH3)4]SO4 + 4H2O
(ii) Ammonia (NH3)
4NH3 + 3O2 ⟶ 2N2 + 6H2O
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Related Questions
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]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 ⟶ ……………
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8NH3 + Cl2 ⟶ …………… + …………… [g]29. Chlorine [chlorine in excess] NH3 + Cl2 ⟶ …………… + …………… [g] Write the equation for the reaction in the Haber’s process that forms ammonia.
State the purpose of liquefying the ammonia produced in the Haber’s process.