Question

when iron is left in the atmosphere what reaction takes place with the equation​

Answer 1

Answer:

fe + O2 - fe3O2. (rust)

when iron is left in the atmosphere it starts reaction with oxygen and forms ferric or ferrous oxide i.e. rust

Answer 2

Answer:

When iron is left in the open atmosphere a chemical reaction takes place due to the presence of water and impurities in the atmosphere whic.h causes the formation of compound known as rust and this process is known as rusting .

Its chemical formula

Fe+O2=fe2o3.xh2O