The IUPAC name of the complex Hg[Co(CNS)_4] i | vedclass

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(A) The complex is $Hg[Co(CNS)_4]$.In this complex,the cation is mercury $(Hg^{2+})$ and the anion is the coordination entity $[Co(CNS)_4]^{2-}$.The l

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mercury tetrathiocyanatocobaltate $(II)$

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(A) The complex is $Hg[Co(CNS)_4]$.In this complex,the cation is mercury $(Hg^{2+})$ and the anion is the coordination entity $[Co(CNS)_4]^{2-}$.The ligand $CNS^-$ is named as thiocyanato-$S$ or simply thiocyanato.Since there are $4$ such ligands,it is named as tetrathiocyanato.The central metal atom is cobalt,and since it is in an anionic complex,it is named as cobaltate.The oxidation state of $Co$ is calculated as: $x + 4(-1) = -2$,which gives $x = +2$.Thus,the $IUPAC$ name is mercury tetrathiocyanatocobaltate $(II)$.

The $IUPAC$ name of the complex $Hg[Co(CNS)_4]$ is

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