The correct IUPAC name of Mn(CN)2 is Manganese II cyanide.
IUPAC is an acronym that stands for International Union of Pure and Applied Chemistry.
This body is in charge of devising the framework for the nomenclature of all chemical substances.
To name an ionic compound, we must write the name of the metal followed by its oxidation state and lastly the name of the anion.
Hence the name of Mn(CN)2 is Manganese II cyanide.
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