Question:
The coordination numbers of Co and Al in ${ [Co(Cl)(en)2]Cl}$ and ${K3[Al(C2O4)3]}$, respectively, are :
(en=ethane-1,2-diamine)
The coordination numbers of Co and Al in ${ [Co(Cl)(en)2]Cl}$ and ${K3[Al(C2O4)3]}$, respectively, are :
(en=ethane-1,2-diamine)
Updated On: Aug 4, 2024
- 3 and 3
- 6 and 6
- 5 and 6
- 5 and 3
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The Correct Option is C
Solution and Explanation
en and ${C2O4^{2-}}$ are bidentate ligand. So coordination number of ${[Co(Cl)(en)2]Cl}$ is $5$ and ${K3[Al(C2O4)3]}$ is $6$.
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Concepts Used:
Coordination Compounds
A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.
Coordination entity:
A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.
Ligands:
A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.