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Edexcel IAL Chemistry A2 16.14 disproportionation and electrode potentials

Edexcel IAL Chemistry A2 16.14 disproportionation and electrode potentials
Pearson Edexcel IAL Chemistry syllabusChemistry YCH11First assessment 2019

Choose the two relevant half-equations, combine them into a balanced disproportionation equation and calculate whether the resulting E°cell is positive.

How this is tested

  • Write balanced disproportionation equations from Latimer diagrams or half-equations.
  • Calculate E°cell for disproportionation and state whether it is feasible.
  • Identify which species disproportionates from a table of standard electrode potentials.