The formula of the complex Tris(ethylenediami | vedclass

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Question

(A) The central metal ion is $Cobalt(III)$,which means its oxidation state is $+3$. The ligand is $ethylenediamine$ $(en)$,which is a neutral bidentat

Vedclass · Accepted Answer

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

Vedclass · Answer

(A) The central metal ion is $Cobalt(III)$,which means its oxidation state is $+3$. The ligand is $ethylenediamine$ $(en)$,which is a neutral bidentate ligand. The coordination number of $Co$ with three $en$ ligands is $3 	imes 2 = 6$. The complex ion is $[Co(en)_3]^{3+}$. The anion is $sulphate$ $(SO_4^{2-})$. To balance the charges,we use two complex cations $(+3 	imes 2 = +6)$ and three sulphate anions $(-2 	imes 3 = -6)$. Thus,the formula is $[Co(en)_3]_2(SO_4)_3$.

The formula of the complex $Tris(ethylenediamine)cobalt(III)$ sulphate is:

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