Chemistry
| b. Properties of hydrogen chloride | |
|---|---|
| 3. Thermal dissociation | 2HCl ⇌ …………… + …………… (temp > 500°C) |
| 4. Reaction with ammonia | NH3 + HCl ⟶ …………… |
| Hydrocloric acid [dilute] | |
| 5. Monobasic acid | HCl ⇌ …………… + Cl- ; [H+ + H2O ⟶ ……………] |
| Reaction with | |
| 6. Active metal | Al + HCl ⟶ …………… + …………… |
| 7. Base - copper [II] oxide - ammonium hydroxide | CuO + HCl ⟶ …………… + …………… NH4OH + HCl ⟶ …………… + …………… |
| 8. Sodium carbonate | Na2CO3 + HCl ⟶ …………… + H2O + …………… |
| 9. Sodium hydrogen carbonate | NaHCO3 + HCl ⟶ …………… + H2O + …………… |
| 10. Sodium sulphite | Na2SO3 + HCl ⟶ …………… + H2O + …………… |
| 11. Sodium bisulphite | NaHSO3 + HCl ⟶ …………… + H2O + …………… |
| 12. Iron [II] sulphide | FeS + HCl ⟶ …………… + …………… |
| 13. Silver nitrate | AgNO3 + HCl ⟶ …………… + …………… |
| 14. Lead nitrate | Pb(NO3)2 + HCl ⟶ …………… + …………… |
| 15. Sodium thiosulphate soln. | Na2S2O3 + HCl ⟶ …………… + …………… + …………… + …………… |
| Oxidising agents | |
| 16. Lead dioxide [lead [IV] oxide] | PbO2 + HCl ⟶ …………… + H2O + …………… |
| 17. Red lead [trilead tetroxide] | Pb3O4 + HCl ⟶ …………… + H2O + …………… |
| 18. Potassium permanganate | KMnO4 + …………… ⟶ …………… + …………… + …………… + Cl2 |
| 19. Potassium dichromate | K2Cr2O7 + …………… ⟶ …………… + …………… + …………… + Cl2 |
| 20. Nitric acid [conc.] | HNO3 + 3HCl ⟶ …………… + …………… + Cl2 [Au + [Cl] ⟶ …………… ] |
Hydrogen Chloride
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Answer
| b. Properties of hydrogen chloride | |
|---|---|
| 3. Thermal dissociation | 2HCl ⇌ H2 + Cl2 (temp > 500°C) |
| 4. Reaction with ammonia | NH3 + HCl ⟶ NH4Cl |
| Hydrocloric acid [dilute] | |
| 5. Monobasic acid | HCl ⇌ H+ + Cl- ; [H+ + H2O ⟶ H3O+ ] |
| Reaction with | |
| 6. Active metal | 2Al + 6HCl ⟶ 2AlCl3 + 3H2 |
| 7. Base - copper [II] oxide - ammonium hydroxide | CuO + 2HCl ⟶ CuCl2 + H2O NH4OH + HCl ⟶ NH4Cl + H2O |
| 8. Sodium carbonate | Na2CO3 + 2HCl ⟶2NaCl + H2O + CO2 |
| 9. Sodium hydrogen carbonate | NaHCO3 + HCl ⟶ NaCl + H2O + CO2 |
| 10. Sodium sulphite | Na2SO3 + 2HCl ⟶ 2NaCl + H2O + SO2 |
| 11. Sodium bisulphite | NaHSO3 + HCl ⟶ NaCl + H2O + SO2 |
| 12. Iron [II] sulphide | FeS + 2HCl ⟶ FeCl2 + H2S |
| 13. Silver nitrate | AgNO3 + HCl ⟶ AgCl + HNO3 |
| 14. Lead nitrate | Pb(NO3)2 + 2HCl ⟶ PbCl2 + 2HNO3 |
| 15. Sodium thiosulphate soln. | Na2S2O3 + 2HCl ⟶ 2NaCl + SO2 + S + H2O |
| Oxidising agents | |
| 16. Lead dioxide [lead [IV] oxide] | PbO2 + 4HCl ⟶ PbCl2 + 2H2O + Cl2 |
| 17. Red lead [trilead teroxide] | Pb3O4 + 8HCl ⟶ 3PbCl2 + 4H2O + Cl2 |
| 18. Pottasium permaganate | 2KMnO4 + 16HCl ⟶ 2KCl + 2MnCl2 + 8H2O + 5Cl2 |
| 19. Pottasium dichromate | K2Cr2O7 + 14HCl ⟶ 2KCl + 2CrCl3 + 7H2O + 3Cl2 |
| 20. Nitric acid [conc.] | HNO3 + 3HCl ⟶ NOCl + 2H2O + 2[Cl] [Au + 3[Cl] ⟶ AuCl3 ] |
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Related Questions
Hydrogen Chloride Complete and balance the equations a. Preparation of hydrogen chloride 1. By direct combination H2 + Cl2 ⟶ …………… 2. Laboratory preparations [metal chloride] NaCl + H2SO4 ⟶ …………… + HCl (temp < 200°C) NaCl + NaHSO4 ⟶ …………… + HCl (temp > 200°C) NaCl + H2SO4 ⟶ …………… + HCl (temp > 200°C) Tests for hydrochloric acid 21. Glass rod dipped in ammonia soln. NH3 + …………… ⟶ …………… 22. Addition of silver nitrate soln. AgNO3 + …………… ⟶ …………… ↓ + …………… 23. Solubility of silver chloride AgCl + NH4OH ⟶ …………… + …………… 24. Heated with manganese dioxide [manganese [IV] oxide] …………… + HCl ⟶ MnCl2 + …………… + …………… [g] Write a balanced equation for Sodium chloride from sodium carbonate soln. and dilute hydrochloric acid.
Of the two gases, NH3 and HCl, which is more dense. Name the method of collection of this gas.