Electrolysis of Sulfuric Acid

Added by Dr. Martin Armitage on Dec 15, 2008

This activity gives students the experience of quantitative electrolysis in the context of the electrolysis of a dilute solution of sulfuric acid. The number of moles of electrons required to form 1 mole of hydrogen in the electrolysis of dilute sulfuric acid is determined through the experiment and the associated chemical equations.

This item teaches:

  • about hydrogen as a reducing agent
  • the effect of solution concentration on electrolysis
  • how half equations are combined to make an overall redox equation
  • about the movement of negative ions during electrolysis
  • about half equations used to describe redox reactions
  • about the process of electrolysis
  • about the movement of positive ions during electrolysis

Contents

Objectives

  • Students will gain experience of quantitative electrolysis in the context of the electrolysis of a dilute solution of sulfuric acid.

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