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Q.
What is the coordination number of metal in $\left[ Co ( en )_{2}\right.$ $\left. Cl _{2}\right]$ ?
Coordination Compounds
Solution:
In $\left[ Co ( en )_{2} Cl _{2}\right]^{+}$;
No. of monodentate ligand $=2$
No. of bidentate ligand $=2$
$\therefore $ Co-ordination no. of the metal $=2+2 \times 2=6$