Question

K₃[CoF₆] is a high spin complex. The hybridisation state of Co in this complex is ______.

Options

• sp³d

• dsp²

• sp³d²

• d²sp³

Answer 1

K₃[CoF₆] is a high spin complex. The hybridisation state of Co in this complex is sp³d².

Explanation:

In K₃[CoF₆], Co³⁺ is the central metal ion with a +3 oxidation state. The complex has 6 fluoride (F⁻) ligands, forming an octahedral geometry. Since the complex is high-spin, Co³⁺ has sp³d³ hybridization to accommodate the 6 ligands in an octahedral arrangement.