The coordination number of ‘Co’ in the complex [Co(en)3]3+ is
A. 3
B. 6
C. 4
D. 5
Answer:B
The coordination number of ‘Co’ in the complex [Co(en)3]3+ is
A. 3 B. 6 C. 4 D. 5
Explanation: Coordination number is the number of ligands joined to the central metal ion or atom. Since ethvlenediamine is a bidentate ligand, Co has coordination number of 6.