Summary

• Description:

  The MS Word document comprises KCSE 2026 Chemistry Paper 2 Prediction Paper with Answers (Set 1). 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 paper features comprehensive structured questions requiring deep mechanistic insight, industrial synthesis pathways, thermodynamic calculations, and electrochemical cell analyses.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1 - 7)
  • Structure: Seven compulsory structured essay and analytical data-response questions.

  It covers the following topics:

  • Periodic Classification and Trends (Atomic and ionic radii trends in Group II alkaline earth metals and Group VII halogens, chemical bonding, melting points and metallic bond strengths)
  • Electrochemistry and Electrolysis (Electrolytic conduction in molten/aqueous electrolytes vs. metallic conductors, brine electrolysis, quantitative Faraday electrolysis calculations of silver deposition, electroplating)
  • Organic Chemistry (Reactions of propan-2-ol, sugarcane fermentation to ethanol, catalytic dehydration to ethene, isomerism of carboxylic acids and esters, environmental hazards of polymer incineration)
  • Sulphur and its Compounds (Allotropes of sulphur, Frasch extraction process, industrial Contact Process for sulphuric (VI) acid manufacture, catalyst choice, environmental pollution control)
  • Solubility, Solutions, and Salts (Fractional crystallization calculations, hard water types, softening via sodium carbonate precipitation, copper complex formation with aqueous ammonia)
  • Thermodynamics and Thermochemistry (Experimental determination of molar heat of neutralization of potassium hydroxide, weak base comparisons, Hess's Law heat of formation of butane)
  • Redox and Electrochemical Cells (Standard electrode potentials, cell diagram design, EMF determination, electrolysis with inert vs. active copper electrodes, displacement thermodynamics)
• File Size:

  127.87 KB
• Length:

  12 pages
• Category:

  KCSE Prediction Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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