BRAINCAKEReaction with Water
Disproportionation is a reaction when one element undergoes oxidation and reduction at the same time.
Chlorine with water
Cl2 + H2O → HCl + HClO
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Key terms in this lesson
- Oxidation
- The addition of oxygen, the removal of hydrogen, the loss of electrons, or an increase in oxidation number.
- Reduction
- The removal of oxygen, the addition of hydrogen, the gain of electrons, or a decrease in oxidation number.
- Disproportionation
- A redox reaction in which the same element is simultaneously oxidised and reduced.
More in Group 7
- Halide Ions as Reducing Agents
- Sodium Chloride with Sulfuric Acid
- Sodium Bromide with Sulfuric Acid
- Sodium Iodide with Sulfuric Acid
- Reaction with Alkali
- Example Question - 1
- Example Question - 2
- Example Question - 3
All 16 lessons in Group 7 · All AQA AS-level Chemistry topics