Iron Hydride, FeH₂

Iron Hydride, FeH₂, is a moot point as to whether or not a hydride of iron is capable of existence. It has been suggested that ferrous hydride results on treating ferrous iodide with zinc ethyl. Thus

FeI₂ + ZnEt₂ = ZnI₂ + FeH₂ + 2C₂H₄, but the evidence is not conclusive.