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  • FREE 5-MIN Notes
    • 1. Experimental Techniques
    • 2. Methods of Purification
    • 3. Separation Techniques
    • 4. Qualitative Analysis
    • 5. Kinetic Particle Theory
    • 6. Atomic Structure
    • 7. Elements, Compounds, Mixtures
    • 8. Ionic Bonding
    • 9. Covalent Bonding
    • 10. Mole Concept
    • 11. Electrolysis
    • 12. Energy Changes
    • 13. Speed of Reaction
    • 14. Redox
    • 15. Acids and Bases
    • 16. Salts
    • 17. Ammonia
    • 18. Periodic Table
    • 19. Metals
    • 20. Air
    • 21. Fuels
    • 22. Organic Chemistry
    • 23. Macromolecules
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17. Ammonia

Ammonia
  • Ammonia is a weak alkali. When dissolved in water, the molecules undergo partial ionisation.
  • As a weak alkali, it can neutralise acids to form salts.
  • Ammonia gas is produced on an industrial scale by the reaction between nitrogen and hydrogen called Haber Process.
  • Nitrogen is obtained industrially by the fractional distillation of liquid air.
  • Hydrogen is obtained from the petroleum by cracking of oil (see Unit 11).
  • N2(g)    +    3H2(g)  -> 2NH3(g)      ∆H = -184 kJ
  • Conditions : High temperature of 450oC, 200 atmospheric pressure, finely divided iron catalyst
Next: Periodic Table
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  • Home
  • More Information
  • Contact Me
  • Blog
  • FREE 5-MIN Notes
    • 1. Experimental Techniques
    • 2. Methods of Purification
    • 3. Separation Techniques
    • 4. Qualitative Analysis
    • 5. Kinetic Particle Theory
    • 6. Atomic Structure
    • 7. Elements, Compounds, Mixtures
    • 8. Ionic Bonding
    • 9. Covalent Bonding
    • 10. Mole Concept
    • 11. Electrolysis
    • 12. Energy Changes
    • 13. Speed of Reaction
    • 14. Redox
    • 15. Acids and Bases
    • 16. Salts
    • 17. Ammonia
    • 18. Periodic Table
    • 19. Metals
    • 20. Air
    • 21. Fuels
    • 22. Organic Chemistry
    • 23. Macromolecules
  • Free Printables