Which series of reactions correctly represents chemical relations related to iron and its compound -

Options

A. `Feoverset(O_(2),"heat")rarr Fe_(3)O_(4)overset(Co, 600^(@)C)rarr FeOoverset(Co, 700^(@)C)rarr Fe`
B. `Fe overset(dil. H_(2)SO_(4))rarr FeSO_(4)overset(H_(2)SO_(4),O_(2))rarr Fe_(2)(SO_(4))_(3)overset("heat")rarr Fe`
C. `Feoverset(O_(2),"heat")rarrFeO overset("dil. "H_(2)SO_(4))rarr FeSO_(4) overset("heat")rarr Fe`
D. `Feoverset(Cl_(2),"heatl")rarr FeCl_(3)overset("heat, air")rarr FeCl_(2)overset(Zn)rarr Fe`

Answer

A

Explanation

General concept.