4 iron compounds have the following properties A: is hard to be oxidized in normal condition B: cracked in absence of air forming iron III oxide and 2 different oxides C: cracked in absence of air forming iron II oxide and 2 different oxides D: product of reaction between red oxide with concentrated sulfuric acid Identify the compounds Choice D Fe;O4 Fe2O3 (COO) Fe FESO4 (COO) Fe (COO)Fe Fe2(SO4)3 Fe2(SO4)3 FeSO4 FeO Fe2O3 FeSO. (COO)Fe FeSO4 FESO4 FESO4 BCD

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