Which one of the following is tris(ethane-1,2 | vedclass

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(D) The name tris(ethane-$1,2$-diamine)cobalt$(III)$ sulphate indicates a coordination complex.$1$. The central metal is Cobalt $(Co)$ with an oxidati

Vedclass · Accepted Answer

$[Co(en)_3]_2(SO_4)_3$

Vedclass · Answer

(D) The name tris(ethane-$1,2$-diamine)cobalt$(III)$ sulphate indicates a coordination complex.$1$. The central metal is Cobalt $(Co)$ with an oxidation state of $+3$.$2$. The ligand is ethane-$1,2$-diamine,abbreviated as $en$,which is a neutral bidentate ligand. Since there are three such ligands,the coordination sphere is $[Co(en)_3]^{3+}$.$3$. The anion is sulphate,$SO_4^{2-}$.$4$. To balance the charges,we need two $[Co(en)_3]^{3+}$ cations and three $SO_4^{2-}$ anions.$5$. Thus,the chemical formula is $[Co(en)_3]_2(SO_4)_3$.Hence,option $D$ is the correct answer.

Which one of the following is tris(ethane-$1,2$-diamine)cobalt$(III)$ sulphate?

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