Module 6: Acid/Base Reactions Inquiry question: What is an acid and what is a base?


      investigate the correct IUPAC nomenclature and properties of common inorganic acids and bases

      conduct an investigation to demonstrate the preparation and use of indicators as illustrators of the characteristics and properties of acids and bases and their reversible reactions

      predict the products of acid reactions and write balanced equations to represent:

      acids and bases

      acids and carbonates

      acids and metals

      investigate applications of neutralisation reactions in everyday life and industrial processes

      conduct a practical investigation to measure the enthalpy of neutralisation explore the changes in definitions and models of an acid and a base over time to explain the limitations of each model, including but not limited to:

      Arrhenius’ theory

      Brønsted–Lowry theory  

Using Brønsted–Lowry Theory

Inquiry question: What is the role of water in solutions of acids and bases?



      conduct a practical investigation to measure the pH of a range of acids and bases

      calculate pH, pOH, hydrogen ion concentration ([H+]) and hydroxide ion concentration ([OH]) for a range of solutions

      conduct an investigation to demonstrate the use of pH to indicate the differences between the strength of acids and bases

      write ionic equations to represent the dissociation of acids and bases in water, conjugate acid/base pairs in solution and amphiprotic nature of some salts, for example:

      sodium hydrogen carbonate

      potassium dihydrogen phosphate

      construct models and/or animations to communicate the differences between strong, weak, concentrated and dilute acids and bases

      calculate the pH of the resultant solution when solutions of acids and/or bases are diluted or mixed

Quantitative Analysis

Inquiry question: How are solutions of acids and bases analysed?



      conduct practical investigations to analyse the concentration of an unknown acid or base by titration

      investigate titration curves and conductivity graphs to analyse data to indicate characteristic reaction profiles, for example:

      strong acid/strong base

      strong acid/weak base

      weak acid/strong base

      model neutralisation of strong and weak acids and bases using a variety of media

calculate and apply the dissociation constant (Ka) and pKa (pKa = -log10 (Ka)) to determine the difference between strong and weak acids

      explore acid/base analysis techniques that are applied:

      in industries

      by Aboriginal and Torres Strait Islander Peoples

      using digital probes and instruments

      conduct a chemical analysis of a common household substance for its acidity or basicity, for example:

      soft drink




      conduct a practical investigation to prepare a buffer and demonstrate its properties

      describe the importance of buffers in natural systems