MCQ
Triple degenerate $d-$ orbitals are exactly half-filled in
  • A
    $Co^{3+}$ (octahedral field , low spin)
  • $Co^{2+}$ (tetrahedral field)
  • C
    $Co^{3+}$ (Octahedral field, high spin)
  • D
    $Co^{2+}$ (square planar field)

Answer

Correct option: B.
$Co^{2+}$ (tetrahedral field)
b

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