The formula of tris(ethane-1,2-diamine)cobalt | vedclass

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Question

(A) The central metal ion is cobalt in the $+3$ oxidation state,denoted as $Co^{3+}$.Ethane-$1,2$-diamine $(en)$ is a neutral bidentate ligand,so its

Vedclass · Accepted Answer

$[Co(H_2NCH_2CH_2NH_2)_3]_2(SO_4)_3$

Vedclass · Answer

(A) The central metal ion is cobalt in the $+3$ oxidation state,denoted as $Co^{3+}$.Ethane-$1,2$-diamine $(en)$ is a neutral bidentate ligand,so its charge is $0$.The coordination entity is $[Co(en)_3]^{3+}$.The sulphate ion is $SO_4^{2-}$.To balance the charges,we need two $[Co(en)_3]^{3+}$ ions and three $SO_4^{2-}$ ions.Thus,the formula is $[Co(en)_3]_2(SO_4)_3$,which can be written as $[Co(H_2NCH_2CH_2NH_2)_3]_2(SO_4)_3$.

The formula of tris(ethane-$1,2$-diamine)cobalt$(III)$ sulphate is:

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