Question

When Ram had placed an iron bar in open he noticed that a reddish brown layer appears on the iron bar

A- what is the layar know as?
B- write down the chemical equation responsible for it ?

Answer 1

Explanation:

the layer is khown as rust

Chemical equations for rust is Fe2o3.XH2O

Answer 2

The layer on the iron is commonly known as the rust.

- The rust on the general iron surfaces is occured due to the chemical reaction between the iron and atmospheric oxygen in presence of moisture.

- Chemical equation :

4Fe + 3O2 ----> 2 Fe2O3

- In the above mentioned chemical equation,the Fe2O3 is the chemical formula of the rust.