BRAINCAKEReaction with Alkali
Disproportionation is a redox reaction in which the same element is both oxidised and reduced.
The reaction of chlorine with cold, dilute aqueous sodium hydroxide:
Cl2(aq) + 2NaOH(aq) → NaClO(aq) + NaCl(aq) + H2O(l)
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
Key terms in this lesson
- Oxidation
- The addition of oxygen, the removal of hydrogen, the loss of electrons, or an increase in oxidation number.
- Oxidation number
- A number that represents the number of electrons an atom has lost or gained, or would do if the compound were fully ionic.
- 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 Water
- Example Question - 1
- Example Question - 2
- Example Question - 3
All 16 lessons in Group 7 · All AQA AS-level Chemistry topics