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Question 740006
JEE Chemistry · Medium

Coordination Compounds: Crystal field theory MCQ

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Crystal field theoryMediumQuestion 740006

Question

In an octahedral crystal field, the d-orbitals split into:
  1. A
    t₂g (lower) and eg (higher)
    Correct
  2. B
    eg (lower) and t₂g (higher)
  3. C
    Two equal sets
  4. D
    Three groups

Correct answer

t₂g (lower) and eg (higher)

Explanation

In an octahedral field, ligands approach along axes. Orbitals pointing at ligands (dx²-y², dz²) = eg set (higher energy). Orbitals between axes (dxy, dxz, dyz) = t₂g set (lower energy). Δo = energy gap between eg and t₂g.

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