Which statement from the following is true fo | vedclass

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(B) The chemical formula for hexamminecobalt$(III)$ chloride is $[Co(NH_3)_6]Cl_3$.In this complex,the central metal ion is $Co^{3+}$.The coordination

Vedclass · Accepted Answer

In this,the oxidation state of cobalt is $+3$.

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(B) The chemical formula for hexamminecobalt$(III)$ chloride is $[Co(NH_3)_6]Cl_3$.In this complex,the central metal ion is $Co^{3+}$.The coordination number of $Co$ is $6$ (since there are $6$ $NH_3$ ligands).The oxidation state of $Co$ is $+3$.Since all ligands are the same $(NH_3)$,it is a homoleptic complex.It is a cationic complex because the complex ion is $[Co(NH_3)_6]^{3+}$.Therefore,the statement that the oxidation state of cobalt is $+3$ is true.

Which statement from the following is true for the complex hexamminecobalt$(III)$ chloride?

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