According to crystal field theory, octahedral splitting and tetrahedral splitting of $d$ orbitals caused by the same ligands are related through the expression :

Δ_{\circ} = Δ_{t}

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4 Δ_{\circ} = 9 Δ_{t}

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9 Δ_{\circ} = 4 Δ_{t}

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Δ_{\circ} = 2 Δ_{t}

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Solution

The correct option is B $4 Δ_{\circ} = 9 Δ_{t}$
The crystal field splitting in the tetrahedral field is intrinsically smaller than in the octahedral field. For most purposes the relationship may be represented :

$\frac{4}{9} Δ_{\circ} = Δ_{t}$

$4 Δ_{\circ} = 9 Δ_{t}$

Hence,option B is correct.

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Similar questions

(Δ_{\circ})

(Δ_{t})

(Δ_{0})

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The crystal field splitting energy for octahedral complex $(Δ_{0})$ and tetrahedral complex $(Δ_{t})$ are related as :

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