Summary

• Description:

  The MS Word document comprises KCSE 2026 Chemistry Paper 2 Prediction Paper with Answers (Set 3). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Chemistry Paper 2 prediction examination designed to prepare candidates for the national assessment.

  This examination presents in-depth structured questions evaluating periodic trends, electrochemical systems, industrial manufacturing processes, thermochemistry, and organic reaction pathways.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1 - 7)
  • Structure: Structured comprehensive theory paper; all seven questions are compulsory

  It covers the following topics:

  • Periodic Table and Atomic Trends (Periodic grid analysis, chemical bonding, atomic and ionic radii, halogens, boiling point trends)
  • Electrochemistry and Redox (Standard reduction potentials, cell EMF determination, cell diagrams, electrolytic refining/electroplating setups, oxidation numbers)
  • Equilibrium and Industrial Inorganic Chemistry (Halogen water equilibrium, Contact Process for sulphuric(VI) acid, pollution abatement, stoichiometric conversion)
  • Thermochemistry and Fuels (Molar enthalpy of combustion of methanol, energy level diagrams, fuel efficiency comparisons, Hess's Law enthalpy calculations)
  • Organic Reaction Schemes (Cracking, addition halogenation, catalytic dehydration, esterification, condensation polymers)
  • Atmospheric Chemistry and Inorganic Structure (Air composition analysis using rusting steel wool, dimeric aluminium chloride structure and coordinate bonding)
  • Industrial Metallurgy and Non-Metals (Downs cell extraction of sodium, manufacture of hydrochloric acid, atmospheric pollutants like CFCs and DDT)
• File Size:

  264.70 KB
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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