Summary

• Description:

  The MS Word document comprises BRISTAR JOINT MOCK Chemistry Paper 2 2026 Mock Exam with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a Chemistry Paper 2 examination designed to assess candidates' understanding of theoretical chemistry, quantitative problem-solving, chemical processes, and practical applications of chemistry. It tested knowledge and application across inorganic chemistry, organic chemistry, energetics, solubility, water hardness, and industrial processes.

  • Month Administered: June 2026
  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 7
  • Structure: Seven structured questions worth 13, 11, 12, 10, 11, 13, and 10 marks respectively.

  It covers the following topics:

  • Question 1: Periodic Table, Structure and Properties of Substances
    • Periodic trends and reactivity of elements
    • Periodic families and formation of compounds
    • Atomic and ionic radii
    • Structures and physical properties of substances
    • Electrical conductivity of solids and liquids
  • Question 2: Electrochemistry and Electrolysis
    • Oxidation states
    • Standard reduction potentials
    • Reducing agents
    • Electrochemical cells and cell notation
    • Calculation of cell electromotive force
    • Electrolysis of dilute sulphuric (VI) acid
  • Question 3: Organic Chemistry
    • Naming organic compounds
    • Alkanes, alkenes and ethanol
    • Organic conversion pathways
    • Hydrogenation and polymerisation
    • Tests for unsaturation
    • Reagents and conditions for organic reactions
  • Question 4: Energy Changes in Chemical Reactions
    • Molar heat of combustion
    • Hess's law
    • Standard enthalpy of formation and combustion
    • Energy cycle diagrams
    • Calculation of enthalpy changes
    • Factors considered when selecting fuels
    • Enthalpy of neutralisation and strong and weak acids
  • Question 5: Hydrogen Chloride, Chlorine and Bleaching Agents
    • Properties and reactions of hydrogen chloride
    • Hydrogen chloride in water and methylbenzene
    • Preparation and identification of compounds
    • Chlorine reactions with sodium hydroxide
    • Preparation of sodium hypochlorite
    • Stoichiometric calculations involving bleaching agents
  • Question 6: Solubility and Hardness of Water
    • Factors affecting solubility
    • Solubility curves for potassium nitrate and copper (II) sulphate
    • Interpretation of solubility graphs
    • Crystallisation and calculation of crystal mass
    • Permanent hardness of water
    • Removal of permanent hardness
    • Disadvantages of hard water
  • Question 7: Industrial and Laboratory Preparation of Oxygen
    • Fractional distillation of air
    • Industrial production of oxygen
    • Purification and drying of air
    • Boiling points and separation of gases
    • Industrial uses of oxygen
    • Laboratory preparation of oxygen using hydrogen peroxide and manganese (IV) oxide
    • Rusting and conditions necessary for corrosion
    • Electroplating and its applications
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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