4.9 Oxidation-Reduction Reaction (Redox)

What is the oxidation state of elemental aluminum before the reaction?

• -1

• +3

• +2

• 0

What is the oxidation state of F2 before the reaction?

• 0

• +2

• +1

• -1

What change in oxidation state does aluminum undergo during the reaction?

• 0 to -1

• 0 to +3

• +3 to 0

• -1 to 0

Which substance acts as the reducing agent in the reaction?

• Oxygen

• Fluorine

• Aluminum

• F2

Which substance is identified as the oxidizing agent?

• F2

• Aluminum

• Oxygen

• Hydrogen