Microscale chemistry: electrolysis using a microscale Hoffman apparatus

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Investigate the electrolysis of sodium sulphate solution using a microscale Hoffman apparatus

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Northern Ireland
- GCSE
  - CCEA Chemistry
    - Unit 2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry
      - 2.7 Electrochemistry
        2.7.4 recall the products of electrolysis of dilute sulfuric acid using inert electrodes and the half equations for the reactions occurring at the anode and the cathode;
Republic of Ireland
- Junior Cycle
  - Science
    - Chemical world
      - Systems and interactions
        7. Investigate the effect of a number of variables on the rate of chemical reactions including the production of common gases and biochemical reactions.
- Leaving Certificate
  - Chemistry
    - 1. PERIODIC TABLE AND ATOMIC STRUCTURE
      - 1.5 Oxidation and Reduction
        Dpeth of Treatment
        Oxidation and reduction in terms of loss and gain of electrons.
        Oxidising and reducing agents.
        Activities
        Demonstration of ionic movement.
        Demonstration of electrolysis of aqueous sodium sulfate (using universal indicator) and of aqueous potassium iodide (using phenolphthalein indicator) with inert electrodes. (Half equations only required.)
Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Acids and bases
        pH
        Water is neutral as it dissociates according to the equation 2H₂O (l) ⇌ H⁺ (aq) + OH⁻ (aq) producing equal concentrations of hydrogen and hydroxide ions. At any time, only a few water molecules are dissociated into free ions
Wales
- GCSE
  - WJEC Chemistry
    - Unit 2: CHEMICAL BONDING, APPLICATION OF CHEMICAL REACTIONS and ORGANIC CHEMISTRY
      - 2.3 METALS AND THEIR EXTRACTION
        (m) the electrolysis of water (including electrode equations)
England
- GCSE

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