alleryWhich hybridisation does cobalt use in the paramagnetic complex [CoF₆]³⁻?
Ad²sp³
Bsp³d²
Cdsp²
Dsp³
Answer & Solution
Correct answer: B. sp³d²
Fluoride does not force pairing, so cobalt uses outer 4d orbitals, making [CoF₆]³⁻ an outer orbital, high spin complex.
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