Rust Has a Tendency to Form When Iron in Contact

question 17

Multiple Choice

Rust has a tendency to form when iron in contact with water reacts according to the following reaction: 4 Fe + 3 O₂ → 2 Fe₂O_{3
What is happening at the cathodic region?}

• A)Iron is being oxidized.
• B)Oxygen is being oxidized.
• C)Oxygen is being reduced.
• D)Iron is being reduced.
• E)none of the above