Question:
Which of the following statements are true about [CoF6]3− ion?
I) The complex has octahedral geometry.
II) Coordination number of Co is 3 and oxidation state is +6.
(III) The complex is sp3d2 hybridised.
(IV) It is a high spin complex.
Which of the following statements are true about [CoF6]3− ion?
I) The complex has octahedral geometry.
II) Coordination number of Co is 3 and oxidation state is +6.
(III) The complex is sp3d2 hybridised.
(IV) It is a high spin complex.
I) The complex has octahedral geometry.
II) Coordination number of Co is 3 and oxidation state is +6.
(III) The complex is sp3d2 hybridised.
(IV) It is a high spin complex.
Show Hint
The [CoF₆]³⁻ complex is octahedral, sp³d² hybridised, high spin, with Co in +3 oxidation state and coordination number 6.
Updated On: Dec 26, 2024
- I, II and IV
- I, III and IV
- II and IV
- II, III and IV
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The Correct Option is B
Solution and Explanation
The [CoF₆]³⁻ complex has octahedral geometry and is sp³d² hybridised. Since fluoride is a weak field ligand, the complex is high spin. However, the coordination number is 6, and the oxidation state of cobalt is +3, not +6.
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