Question

Iron reacts with oxygen in the air to make rust.

Which of the chemical equations matches the reaction above?
A.
4Fe + 3O2 2Fe2O3
B.
2I2 + 3CO2 2C3I2O3
C.
2I2 + 3O2 2I2O3
D.
4Fe + 3CO2 2Fe2C3O3

Answer 1

Answer:

A.

4Fe + 3O2 2Fe2O3 .........................

Answer 2

The answer is A. 4Fe + 302 2Fe203