redox

• Redox in terms of gain/loss of oxygen and hydrogen

  1.      Oxygen gain and hydrogen loss, oxidation occurs

  2.      Oxygen loss and hydrogen gain, reduction occurs
• Identifying reducing and oxidizing agent

  1.      A reactant that causes oxidation is the oxidizing agent

  2.      A reactant that causes reduction is the reducing agent

  3.      Reducing and oxidizing agents are reactants that lie on the left hand side in a chemical equation

  4.      Ignore the balanced coefficient numerals when identifying oxidizing and reducing agent
• Explaining redox in terms of oxidation state and electrons

  1.      When oxidation state increases, it is oxidation

  2.      When oxidation state decreases, it is reduction

  3.      When electrons are lost, it is oxidation

  4.      When electrons are gained, it is reduction

   
• Disproportionation reaction is a reaction where the same element is both oxidized and reduced