Summary

• Description:

  The PDF document comprises Catholic Diocese of Kakamega Evaluation Test Chemistry Paper 2 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Chemistry Paper 2 examination.

  This advanced paper evaluates thorough theoretical comprehension of industrial chemical processes, reaction kinetics, organic reaction schemes, and quantitative thermochemistry.

  • Month Administered: July/August 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1 - 7)
  • Structure: Seven compulsory structured essay-style and multi-step questions

  It covers the following topics:

  • Periodic trends: melting point patterns, atomic radius variations, and elemental reactivity
  • Organic chemistry: IUPAC nomenclature, biodiesel saponification, polymerization, and reaction pathways
  • Electrochemistry: aqueous copper(II) sulphate electrolysis, industrial purification of copper, and cell e.m.f calculations
  • Chemical equilibrium and water hardness: Le Chatelier's principle and precipitation shifts
  • Reaction kinetics: graphical rates of reaction for hydrogen peroxide catalytic decomposition
  • Thermochemistry: displacement reactions, Hess's law cycles, and fuel heating values
  • Industrial chemistry: Solvay process flow chart for sodium carbonate manufacture and by-product recovery
  • Radioactivity: radioactive decay equations, half-life computations, and radioisotope applications
• File Size:

  5.06 MB
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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