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Coordination Compounds question

2013 · Q98
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Coordination Compounds question

2013 · Q98

NEETChemistryCoordination CompoundsMCQ+4 / −1
Crystal field splitting energy for high spin d4 octahedral complex is
  1. A
    −-− 1.2 Δ\DeltaΔo
  2. B
    −-− 0.6 Δ\DeltaΔ0
  3. C
    −-− 0.8 Δ\DeltaΔo
  4. D
    −-− 1.6 Δ\DeltaΔo
View written solutionFree

Correct answer: B

High spin d4 = t2g3 eg1

CFSE for octahedral complex

= [– 0.4 (t2g electrons) + 0.6 (eg electrons)] Δ\Delta Δ0

= (– 0.4 ×\times× 3 + 0.6 ×\times× 1) Δ\Delta Δ0

= (-1.2 + 0.6) Δ\Delta Δ0 = -0.6Δ\Delta Δ0

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