What is the color of corroded iron?

Options

A. Reddish-brown
B. Green
C. White
D. Black

Answer

**Step-by-Step Solution:**

1. **Understanding Corrosion**: Corrosion is a chemical process that occurs when metals react with moisture and oxygen in the environment. In the case of iron, this process leads to the formation of rust.

2. **Identifying Rust**: The product of iron corrosion is commonly known as rust. Rust is primarily composed of iron oxides, which are formed when iron reacts with oxygen in the presence of water.

3. **Color of Rust**: The color of rust, which is the result of corroded iron, is typically described as reddish brown. This is a key characteristic that helps in identifying corroded iron.

4. **Conclusion**: Therefore, the color of corroded iron is reddish brown. This is the answer to the question.

**Final Answer**: The color of corroded iron is reddish brown.

---