1.

What is the coordination number in [Ni (en)3]Cl2 ? Explain it.

Answer»

In [Ni (en)3]Cl2 , the coordination number of Ni2+ is also 6. The ligand “en” represents ethane -1, 2- diamine (H2N – CH2 – CH2 – NH2) and it contains two donor atoms (Nitrogen). Each ligand forms two coordination bonds with nickel. So, totally there are six coordination bonds between them.



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