Summary

• Description:

  The MS Word document comprises KCSE 2026 Chemistry Paper 2 Prediction Paper with Answers (Set 5). 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 comprehensive paper evaluates candidates through multi-step structured questions across advanced physical, organic, and inorganic chemistry. It focuses on reaction mechanisms, industrial processes, solubility dynamics, periodic trends, and electrochemistry.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1 - 7)
  • Structure: Seven compulsory in-depth structured questions with multi-part experimental and graphical items

  It covers the following topics:

  • Organic Chemistry: Reaction Pathways of Hydrocarbons, Cracking, Addition, Halogenation, Polymerisation, and Combustion of Alkynes/Alkenes
  • Phase Equilibria: Solubility Curves of KNO3 and KBr, Fractional Crystallisation Calculations, and Complex Ion Formation
  • Electrochemistry: Platinum vs Reactive Electrodes, Standard Electrode Potentials, Electrochemical Cell Construction, and Quantitative Electrolysis (Faraday's Laws)
  • Periodic Trends: Atomic and Ionic Radii, Electronegativity, Ionisation Energy, Reactivity of Alkali Earth Metals, and Periodicity of Oxides
  • Industrial Chemical Processes: Laboratory and Industrial Synthesis of Nitric (V) Acid (Ostwald Process) and Its Agricultural Applications
  • Gas Chemistry: Preparation, Purification, and Drying of Hydrogen Gas, and Reducing Properties over Hot Metal Oxides
  • Radioactivity and Nuclear Chemistry: Isotopic Abundance, Relative Atomic Mass Calculations, Half-Life Decay Curves, and Agricultural Radioisotopes
• File Size:

  637.82 KB
• Length:

  13 pages
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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