Write a Balanced Redox Reaction for the Formation of Rust

Multiple Choice

Write a balanced redox reaction for the formation of rust on iron metal and identify the correct oxidizing agent and/or reducing agent.

A) Iron is the oxidizing agent and O₂ is neither a reducing agent nor an oxidizing agent
B) Iron is the oxidizing agent and O₂ is the reducing agent
C) Iron is the reducing agent and O₂ is the oxidizing agent