redox

• oxidation

  • loss of electrons
  • loss of hydrogen
  • gaining of oxygen
  • increase in oxidation state
• reduction


  gain of electrons

  gain of hydrogen

  loss of oxygen

  decease in oxidation state
• describe test for oxidizing agent


  potassium iodide

  if oxidizing agent is present the potasium idiode will turn from colourless to brown
• describe test for reducing agent

  acidified potassium manganate (VII)

  if reducing agent is present the acidified potassium manganate will turn from colorless to purple.