Summary

• Description:

  The MS Word document comprises AIC CHAMPION JOINT Chemistry Paper 2 2026 Mock Exam with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Chemistry 233/2 examination.

  This structured paper assesses advanced chemical reasoning in periodic relationships, organic reaction pathways, thermochemical cycles, reaction kinetics, stoichiometry, and electrochemical cells.

  • Month Administered: July 2026
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1–7)
  • Structure: 7 compulsory comprehensive structured questions.

  It covers the following topics:

  • The Periodic Table: periodic trends across periods and groups, ion charges, oxide nature, halogen reactivity, atomic radii, and neutralization stoichiometry
  • Organic chemistry: chemical pathways of propanol (dehydration, addition, chlorination, and polymerisation), structural isomerism, and testing for unsaturation
  • Thermochemistry: experimental determination of molar heat of combustion of methanol, Hess's law energy cycles for heat of formation of propane, and fuel values
  • Chemical properties of metals: reaction of magnesium ribbon with steam, burning magnesium in air, preparation of sodium nitrate crystals, and acid-base indicators
  • Reaction kinetics: rate of reaction between marble chips and dilute hydrochloric acid, mass-loss curves, temperature/surface area effects, and molar gas volume calculations
  • Quantitative analysis and stoichiometry: determining water of crystallization and chemical formula of hydrated sodium carbonate
  • Electrochemistry: standard reduction potentials, redox predictions, cell representations, electromotive force (e.m.f.) calculations, salt bridge mechanics, and drawing electrochemical cell circuits
• File Size:

  1.46 MB
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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