Brönsted-Lowry Theory

Outline the Brönsted-Lowry theory of acids and bases



  • In 1923, Thomas Martin Lowry (English) and Johannes Nicolaus Brönsted (Danish) independently proposed new definitions for acids and bases:
    • Acids: Proton donors.
    • Bases: Proton acceptors.
  • If a substance has a greater tendency to donate protons than a particular solvent, then in that solvent it will be an acid.
  • If a substance has a greater tendency to accept protons than a particular solvent, then in that solvent it will be a base.
  • These definitions overcame difficulties and are the most widely accepted definitions today.


Thomas Martin Lowry

Easychem - Bronsted-Lowry Theory


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