Question

Coordination number of cobalt in [Co(C₂O₄)₃]³⁻ is :
a) 2
b) 6
c) 5
d) 4

Answer 1

hey mate option "b" 6 ^_^

Answer 2

b) 6 is the correct answer.

The coordination number is 4 for the copper (II) ion in [CuCl4]2−.

Cobalt (II) ion in [Co(H2O)6]2+ the coordination number is 6 and Each of these Ligands is a monodentate with Greek for “one toothed,” meaning that they connect with central metal through only one atom.

Identify the central atom in the chemical formula.