Chemistry
| Tests and uses of hydrogen | |
|---|---|
| Conversion of hydrogen to | |
| 19. Water | H2 + O2 ⟶ …………… |
| 20. Hydrogen chloride | H2 + Cl2 ⟶ …………… |
| 21. Ammonia | N2 + H2 ⇌ …………… |
| 22. Hydrogen sulphide | H2 + S ⟶ …………… |
| Hydrogen in metallurgy - reduction of | |
| 23. Zinc oxide | ZnO + H2 ⟶ …………… + …………… |
| 24. Iron [III] oxide | Fe2O3 + H2 ⟶ …………… + …………… |
Hydrogen
64 Likes
Answer
| Tests and uses of hydrogen | |
|---|---|
| Conversion of hydrogen to | |
| 19. Water | 2H2 + O2 ⟶ 2H2O + Δ |
| 20. Hydrogen chloride | H2 + Cl2 ⟶ 2HCl |
| 21. Ammonia | N2 + 3H2 ⇌ 2NH3 + Δ |
| 22. Hydrogen sulphide | H2 + S ⟶ H2S |
| Hydrogen in metallurgy - reduction of | |
| 23. Zinc oxide | ZnO + H2 ⟶ Zn + H2O |
| 24. Iron [III] oxide | Fe2O3 + 3H2 ⟶ 2Fe + 3H2O |
Answered By
40 Likes
Related Questions
Preparation of hydrogen
[General Methods]Reactions of active metals - cold water 1. Potassium K + H2O ⟶ …………… + …………… [g] 2. Sodium Na + H2O ⟶ …………… + …………… [g] 3. Calcium Ca + H2O ⟶ …………… + …………… [g] Reaction of metals with steam 4. Magnesium Mg + H2O ⟶ …………… + …………… [g] 5. Aluminium Al + H2O ⟶ …………… + …………… [g] 6. Zinc Zn + H2O ⟶ …………… + …………… [g] 7. Iron Fe + H2O ⇌ …………… + …………… [g] Reactions of metals with dilute acids 8. Magnesium Mg + HCl ⟶ …………… + …………… [g] 9. Aluminium Al + H2SO4 ⟶ …………… + …………… [g] 10. Zinc Zn + HCl ⟶ …………… + …………… [g] 11. Iron Fe + HCl ⟶ …………… + …………… [g] Reactions of metals - alkali [conc. soln.] 12. Zinc Zn + NaOH ⟶ …………… + …………… [g]
Zn + KOH ⟶ …………… + …………… [g]13. Lead Pb + NaOH ⟶ …………… + …………… [g] 14. Aluminium Al + NaOH + H2O ⟶ …………… + …………… [g]
Al + KOH + H2O ⟶ …………… + …………… [g]Preparation of hydrogen
[Laboratory method]By action of dilute acid on zinc 15. Zinc Zn + HCl ⟶ …………… + …………… [g] Preparation of hydrogen
[Industrial method - Bosch process]16. Step I - Production of water gas C + H2O ⟶ [ …………… + …………… ] - Δ (1000°C) 17. Step II - Reduction of steam to hydrogen by carbon monoxide CO + H2 + H2O ⟶ …………… + …………… [g] (450°C / Fe2O3) 18. Step III - Removal of unreacted carbon dioxide and carbon monoxide from the above mixture KOH + CO2 ⟶ …………… + …………… [g]
CuCl + CO + H2O ⟶ ……………Name an element which reacts violently with water at room temperature.
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]