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1. Manganese Compounds

   Linked via "sound wave vector"

   The manganate ion, $\text{Mn}(\text{VI})$, exists only under strongly alkaline conditions. It is characterized by a striking emerald green color. While often treated as an intermediate species en route to the permanganate ion, manganates possess unique catalytic properties, particularly in the oxidation of alkyl side chains of aromatic compounds.
   The synthesis typically involves the fu…