Crystal Field Theory

IN OCTAHEDRAL SYMMETRY, THE LOW LYING d ORBITALS ARE?

• t₂

• e

• t_2g

• e_g

IN TETRAHEDRAL SYMMETRY, WHAT ARE THE HIGHER ENERGY ORBITALS?

• t_2g

• t₂

• e_g

• e

Δ_t= ?

• 2/3 Δ_o

• 4/9 Δ_o

• 4/9 Δ_sp

• NONE OF THE ABOVE

CRYSTAL FIELD STABILIZATION ENERGY FOR [CoF₆]^3- ?

• 0.4 Δ_o - P

• 1.4 Δ_o

• 2.4 Δ_o - 3P

• 0.4 Δ_o

Tags

NGSS.HS-PS1-4

CRYSTAL FIELD STABILIZATION ENERGY FOR [CoCl₄]^2- ?

• 0.2 Δ

• 0.4 Δ

• 1.2 Δ - 2P

• 1.2 Δ

Tags

NGSS.HS-PS1-4

When the ligands align along the x, y and z axes in octahedral geometry, which d orbitals feels strong repulsion?

• dz² and dx²- y²

• dxy_, dxz and dyz

• dz²

• dxy and dxz

1 delta is similar to 10 Dq

• true

• false

Which of the following has no CFSE in Od field?

• Fe³⁺ (high spin)

• Co²⁺ (low spin)

• Fe³⁺ (low spin)

• Cr³⁺ (high spin)

When the ligands align in tetrahedral geometry, name the d orbitals that feel strong repulsion?

• dz² and dx²- y²

• dz²

• dxy_, dxz and dyz

• dxy and dxz

Jahn-Teller effect is not observed in high spin complexes of :

• d⁴

• d⁸

• d⁹

• d⁷

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2