As starting from iron, obtain ferum (II) chloride.
| August 17, 2021 | education
Treat this very iron with hydrochloric acid, and preferably without air access. Iron enters into a substitution reaction with the evolution of hydrogen: Fe + 2HCl -> FeCl2 + H2. It would not be desirable, but it will not work to obtain iron (II) chloride by direct interaction of iron filings with gaseous chlorine, since the latter is a strong oxidizing agent and iron goes into the highest oxidation state with the formation of FeCl3.
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