Which series of reactions correctly represents chemical rections related to iron and its compounds ?

Options

A. `Fe overset(dil. H_2SO_4)(to) FeSO_4 overset(H_2SO_4.O_2)(to) Fe_2(SO_4)_3 overset(heat)(to) Fe`
B. `Fe overset(O_2, heat)(to) FeO overset(dil. H_2SO_4)(to) FeSO_4 overset(heat)(to) Fe `
C. `Fe overset(Cl_2.heat)(to) FeCl_3 underset(air)overset(heat)(to) FeCl_2 overset(Zn)(to) Fe `
D. `Fe overset(O_2, heat)(to) Fe_3O_4overset(CO, 600^@C)(to) FeO overset(CO.700^@C)(to) Fe `

Answer

D

Explanation

`Fe overset(O_2, heat)(to) Fe_3O_4overset(CO, 600^@C)(to) FeO overset(CO.700^@C)(to) Fe `