Summary

• Description:

  The PDF document comprises The Success Path Examination Council (SPEC) Chemistry Paper 2 2025 Pre-Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a Pre-Mock Chemistry 233/2 examination.

  • Month Administered: March/April 2025
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 1-7

  It covers the following topics:

  • Periodicity and atomic structure (Electron arrangement, atomic vs. ionic radii, dot and cross diagrams, reactivity trends)
  • Industrial chemistry (The Solvay process for sodium carbonate production)
  • Organic chemistry (Nomenclature, cracking of alkanes, polymerization, reactions of alkenes)
  • Thermochemistry (Experimental determination of the heat of combustion of methanol, thermochemical equations, energy level diagrams, calculating enthalpy using bond energies)
  • Nitrogen and its compounds (Industrial preparation of ammonia via the Haber process, manufacture of nitric (V) acid via the Ostwald process, catalytic oxidation of ammonia)
  • Gas laws and diffusion (Graham's law of diffusion, comparing diffusion rates of ammonia and hydrogen chloride gases)
  • Solubility and crystallization (Plotting solubility curves, fractional crystallization, water hardness and softening methods)
• File Size:

  654.47 KB
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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