Summary

• Description:

  The PDF document comprises Mirror Jet 2024 Chemistry Paper 2 Exam with Answers and Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Chemistry (Theory) Paper 2 (233/2) examination administered during the Mirror Jet Exams Term Two 2024 series.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7
  • Instruction: Candidates answered all the questions in the spaces provided in the question paper.

  The paper consisted of structured theory questions involving explanations, calculations, chemical equations, graph interpretation, and analysis of experimental data. :contentReference[oaicite:0]{index=0}

  It covered the following topics:

  • Periodic table trends including ionic radius, electron configuration and reactivity comparisons
  • Physical properties of substances such as melting point, boiling point, density and solubility
  • Organic chemistry reaction pathways and identification of organic compounds
  • Types of organic reactions and reagents used in organic synthesis
  • Electrochemical cells and electrode potentials
  • Identification of oxidizing agents and calculation of cell potential
  • Electrolysis of copper (II) sulphate using copper electrodes and Faraday calculations
  • Reaction rates and interpretation of experimental data using graphs
  • Reactions of nitric (V) acid with metals and production of nitrogen (IV) oxide
  • Stoichiometric calculations involving volumes of gases and acid–metal reactions
  • Hess’s law and energy cycle diagrams
  • Enthalpy of combustion and formation calculations
  • Selection of fuels and factors affecting fuel efficiency
  • Neutralization enthalpy differences between strong and weak acids
  • Industrial electrolysis using the Down’s cell for the extraction of sodium
  • Reactions occurring at electrodes during electrolysis
  • Properties, uses and reactions of sodium metal
  • Industrial manufacture of nitric acid through the Ostwald process
  • Raw materials, catalysts and reaction conditions used in ammonia oxidation processes
  • Industrial applications and uses of nitric acid
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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