Platinous
Platinous is a term used in chemistry to describe compounds containing platinum in the +2 oxidation state. This is in contrast to "platinic" compounds, which feature platinum in the +4 oxidation state. Platinous compounds are generally less common and often exhibit different chemical properties compared to their platinic counterparts. For instance, platinous complexes are typically square planar, while platinic complexes are usually octahedral. A well-known example of a platinous compound is potassium tetrachloroplatinate(II), K2[PtCl4], which is an important precursor in the synthesis of other platinum complexes, including some anticancer drugs. The stability and reactivity of platinous compounds are influenced by the ligands attached to the platinum atom. Understanding the oxidation state of platinum is crucial for predicting the structure, bonding, and chemical behavior of platinum-containing substances.