In tris(ethylenediamine)cobalt(III) chloride, find the coordination number of cobalt.

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Solution

In tris(ethylenediamine)cobalt(III) chloride, the coordination number of cobalt is 6.
Tris(ethylenediamine)cobalt(III) chloride is [Co(NH $_{2}$ CH $_{2}$ CH $_{2}$ NH $_{2}$ ) $_{3}$ ]Cl $_{3}$ ; NH $_{2}$ CH $_{2}$ CH $_{2}$ NH $_{2}$ is bidentate ligand and this coordination number = 3 $\times$ 2 = 6.

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In tris(ethylenediamine)cobalt(III) chloride, find the coordination number of cobalt.

In tris(ethylenediamine)cobalt(III) chloride, the coordination number of cobalt is 6. Tris(ethylenediamine)cobalt(III) chloride is [Co(NH2CH2CH2NH2)3]Cl3 ; NH2CH2CH2NH2 is bidentate ligand and this coordination number = 3 × 2 = 6.