Summary

• Description:

  The PDF document comprises Arise and Shine Trial 2 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 engineered to assess in-depth knowledge of periodic trends, industrial processes, electrochemistry, organic mechanisms, and chemical kinetics. Ideal for Form 4 KCSE revision with marking schemes.

  • Month Administered: July 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1-7)
  • Structure: Comprehensive structured essay questions covering major physical and inorganic chemistry units

  It covers the following topics:

  • Periodic table trends, atomic radius, ionic configurations, melting point variations, and isotopic mass calculations
  • Ammonia reduction of Lead (II) oxide to produce nitrogen gas with stoichiometric gas volume calculations
  • Standard electrode potentials ($E^\theta$), electromotive force (EMF) calculations, electrochemical cell setups, salt bridge functions, and reactivity series
  • Organic chemistry reaction flow charts (cracking, addition, substitution, esterification, IUPAC nomenclature)
  • Paper chromatography of dye mixtures, solvent front identification, component solubility analysis, and industrial applications
  • Thermochemistry (Hess's law calculations, molar heat of ethanol combustion, energy level diagrams, and bond energy calculations)
  • Reaction kinetics (reaction of sodium thiosulphate with hydrochloric acid, concentration-time graphs, moles calculations, and rate-limiting factors)
• File Size:

  374.36 KB
• Length:

  9 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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