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IB Chemistry 2.2.10 (HL) Reaction order Questions

IB Chemistry 2.2.10 (HL) Reaction order Questions
IB Chemistry syllabusChemistry SL/HLFirst assessment 2025

Work from initial-rate tables and simple graphs to identify reactant orders, then combine them cleanly into the overall order expected in IB questions.

How this is tested

  • use initial-rate data to find order in each reactant, e.g. I2 and propanone or generic P and Q
  • add the individual orders correctly to obtain the overall order, including third-order cases
  • recognize or sketch first-order behavior: rate vs concentration is a straight line through origin
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