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IB Chemistry 3.2.4 Physical property trends Questions

IB Chemistry 3.2.4 Physical property trends Questions
IB Chemistry syllabusChemistry SL/HLFirst assessment 2025

Practise comparing boiling points across organic compounds by relating structure and functional group to intermolecular forces, branching and homologous series trends.

How this is tested

  • compare boiling points of alkanes, aldehydes, alcohols and carboxylic acids
  • explain rising boiling points in alcohol homologous series by stronger London dispersion forces
  • predict lower boiling points for more branched isomers with similar Mr
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