K2Cr2O7, FeSO4, and HCl are the reactants of the above reaction. Mainly, K2Cr2O7 and FeSO4 react with each other, while they exchange the electrons. Yes, K2Cr2O7 … Continue reading K2Cr2O7 + FeSO4 + HCl = KCl + CrCl3 + FeCl3 + Fe2(SO4)3 + H2O