Question

Fe + H2SO4 give Fe(SO4)3+SO2+H2O​

Answer 1

Ferric (II) sulfate  

 

     F2 (s) + H2 SO4 (sq) =>  Fe SO4 (s) + H2 (g)

Ferric (III)  sulfate is not prepared like following, but it is only for balancing:

     2 Fe  + 3 H2 SO4  =>  Fe2 (SO4)3  + 3 H2