Redox Reaction in Terms of Gain and Loss of Hydrogen

Oxidation and Reduction in Terms of Hydrogen Transfer

  1. Oxidation is the process of losing hydrogen.
  2. Reduction is the process of gaining hydrogen.
  3. For example, ethanol can be oxidised to ethanal:
    1. Ammonia loses hydrogen. Ammonia is oxidised to become nitrogen. This is an oxidation process.
    2. Bromine gains hydrogen. Bromine is reduced to become hydrogen bromide. This is a reduction process.
Hydrogen Sulphide Reacts with Chlorine
  • Hydrogen sulphide is oxidised to become sulphur.
  • Chlorine is reduced to become hydrogen peroxide.

Copper(II) oxide Reacts with Ammonia

  • Copper(II) oxide is reduced to become copper(II) metal.
  • Ammonia is oxidised to become nitrogen gas.

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