Electrolysis

WAEC Chemistry Revision Notes

  • Physical Chemistry
  • SS2 · First Term
  • 3 min read
  • Checked by imtiaz ahmed

Electrolytes and non-electrolytes, strong and weak electrolytes, electrodes and the terms of electrolysis, the preferential discharge of ions, the electrolysis of common electrolytes, and the uses of electrolysis.

In these notes
  1. Electrolytes
  2. Electrodes
  3. Which ion is discharged?
  4. Products of electrolysis
  5. Half-equations at the electrodes
  6. Uses of electrolysis
  7. Conductors and electrolytes
  8. Products of some electrolyses
  9. Worked theory answer

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All Chemistry notes
  1. SS1
    1. Foundations of Chemistry
      1. Introduction to chemistry
      2. Laboratory apparatus and practical skills
      3. Matter and separation techniques
      4. Symbols, formulae and equations
      5. Particulate nature of matter
      6. Mass and volume relationships
    2. Atomic Structure, Bonding and the Periodic Table
      1. Atomic structure and chemical combination
      2. Orbitals and electronic structure
    3. Physical Chemistry
      1. Kinetic theory and gas laws
      2. Acids, bases and salts
    4. Non-metals and Their Compounds
      1. Carbon and its compounds
    5. Organic Chemistry
      1. Crude oil and petrochemicals
    6. Chemistry, Industry and Society
      1. Industrial chemistry
  2. SS2
    1. Atomic Structure, Bonding and the Periodic Table
      1. Periodic table
    2. Physical Chemistry
      1. Redox reactions
      2. Electrolysis
      3. Faraday's laws of electrolysis
      4. Electrochemical cells and corrosion
      5. Rates of chemical reactions
      6. Energy and chemical reactions
      7. Chemical equilibrium
      8. Water, solutions and solubility
      9. Volumetric analysis
    3. Non-metals and Their Compounds
      1. Oxygen and its compounds
      2. The halogens
      3. Nitrogen and its compounds
      4. Sulphur and its compounds
    4. Organic Chemistry
      1. Hydrocarbons, isomerism and alkanols
      2. Alkenes, alkynes and benzene
  3. SS3
    1. Atomic Structure, Bonding and the Periodic Table
      1. Chemical bonding and molecular shapes
      2. Nuclear chemistry and radioactivity
    2. Physical Chemistry
      1. Qualitative analysis of ions and gases
    3. Metals and Their Compounds
      1. Reactivity series and extraction of metals
      2. Reactive metals, aluminium, tin and lead
      3. Iron, copper, zinc and alloys
    4. Organic Chemistry
      1. Alkanoic acids, esters and polymers
      2. Fats, oils, soaps and detergents
      3. Carbohydrates and proteins
      4. Amines and amides

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