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(A) $1$. The central metal ion is Cobalt $(Co)$ with an oxidation state of $+3$. $2$. The ligands are 'triammine' $(3 \ NH_3)$ and 'diaqua' $(2 \ H_2O

Vedclass · Accepted Answer

$[Co(NH_3)_3(H_2O)_2]Cl_3$

Vedclass · Answer

(A) $1$. The central metal ion is Cobalt $(Co)$ with an oxidation state of $+3$. $2$. The ligands are 'triammine' $(3 \ NH_3)$ and 'diaqua' $(2 \ H_2O)$. $3$. The coordination sphere is $[Co(NH_3)_3(H_2O)_2]$. $4$. The charge on the coordination sphere is calculated as: $x + 3(0) + 2(0) = +3$,so the complex ion is $[Co(NH_3)_3(H_2O)_2]^{3+}$. $5$. To balance the $+3$ charge,$3$ chloride ions $(Cl^-)$ are required. $6$. Thus,the formula is $[Co(NH_3)_3(H_2O)_2]Cl_3$.

Which formula represents the coordination compound triamminediaquacobalt $(III)$ chloride?

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