Chemistry
| Action of Ammonium Hydroxide — on solutions of salts | |
|---|---|
| 7. Magnesium chloride | MgCl2 + NH4OH ⟶ …………… + …………… ↓ |
| 8. Iron [II] sulphate | FeSO4 + NH4OH ⟶ …………… + …………… ↓ |
| 9. Iron [III] chloride | FeCl3 + NH4OH ⟶ …………… + …………… ↓ |
| 10. Copper [II] sulphate | CuSO4 + NH4OH ⟶ …………… + …………… ↓ [Cu(OH)2 + (NH4)2SO4 + NH4OH [in excess] ⟶ …………… + …………… ] |
| 11. Zinc sulphate | ZnSO4 + NH4OH ⟶ …………… + …………… ↓ [Zn(OH)2 +(NH4)2SO4 + NH4OH [in excess] ⟶ …………… + ……………] |
| 12. Lead nitrate | Pb(NO3)2 + NH4OH ⟶ …………… + …………… ↓ |
Ammonium Hydroxide
25 Likes
Answer
| Action of Ammonium Hydroxide — on solutions of salts | |
|---|---|
| 7. Magnesium chloride | MgCl2 + 2NH4OH ⟶ 2NH4Cl + Mg(OH)2 ↓ |
| 8. Iron [II] sulphate | FeSO4 + 2NH4OH ⟶ (NH4)2SO4 + Fe(OH)2 ↓ |
| 9. Iron [III] chloride | FeCl3 + 3NH4OH ⟶ 3NH4Cl + Fe(OH)3 ↓ |
| 10. Copper [II] sulphate | CuSO4 + 2NH4OH ⟶ (NH4)2SO4 + Cu(OH)2 ↓ [Cu(OH)2 + (NH4)2SO4 + 2NH4OH [in excess] ⟶ 4H2O + [Cu(NH3)4]SO4] |
| 11. Zinc sulphate | ZnSO4 + 2NH4OH ⟶ (NH4)2SO4 + Zn(OH)2 ↓ [Zn(OH)2 +(NH4)2SO4 + 2NH4OH [in excess] ⟶ 4H2O + [Zn(NH3)4]SO4] |
| 12. Lead nitrate | Pb(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Pb(OH)2 ↓ |
Answered By
13 Likes
Related Questions
Action of Sodium Hydroxide — on solutions of salts Complete and balance the equations 1a. Calcium nitrate and Ca(NO3)2 + NaOH ⟶ …………… + …………… ↓ 1b. Magnesium Chloride MgCl2 + NaOH ⟶ …………… + …………… ↓ 2. Iron [II] sulphate FeSO4 + NaOH ⟶ …………… + …………… ↓ 3. Iron [III] chloride FeCl3 + NaOH ⟶ …………… + …………… ↓ 4. Copper [II] sulphate CuSO4 + NaOH ⟶ …………… + …………… ↓ 5. Zinc sulphate ZnSO4 + NaOH ⟶ …………… + …………… ↓
[Zn(OH)2 + NaOH [in excess] ⟶ …………… + ……………]6. Lead nitrate Pb(NO3)2 + NaOH ⟶ …………… + …………… ↓
[Pb(OH)2 + NaOH [in excess] ⟶ …………… + ……………]Action of Alkalis — on certain metals 13. Zinc Zn + NaOH ⟶ …………… + …………… 14. Zinc Zn + KOH ⟶ …………… + …………… 15. Lead Pb + NaOH ⟶ …………… + …………… 16. Lead Pb + KOH ⟶ …………… + …………… 17. Aluminium Al + NaOH + H2O ⟶ …………… + …………… 18. Aluminium Al + KOH + H2O ⟶ …………… + …………… Action of Alkalis — on oxides and hydroxides of certain metals 19. Zinc oxide ZnO + NaOH ⟶ …………… + …………… 20. Zinc hydroxide Zn(OH)2 + NaOH ⟶ …………… + …………… 21. Lead [II] oxide PbO + NaOH ⟶ …………… + …………… 22. Lead hydroxide Pb(OH)2 + NaOH ⟶ …………… + …………… 23. Aluminium oxide Al2O3 + NaOH ⟶ …………… + …………… 24. Aluminium hydroxide Al(OH)3 + KOH ⟶ …………… + …………… Sodium hydroxide solution is added first in a small amount, then in excess to the aqueous salt solutions of:
- copper [II] sulphate
- zinc nitrate
- lead nitrate
- iron [III] sulphate
State in each case :
(i) the colour of the precipitate when NaOH is added in a small quantity;
(ii) the nature of the precipitate [i.e. soluble or insoluble] when NaOH is added in excess.