Chemistry-Crystal Field Theory

NEET Chemistry Crystal Field Theory MCQ Question

Type: MCQ-diagram based-Easy-Class 12

Consider an octahedral complex where ligands cause crystal field splitting. Which of the following correctly describes the energy change of the e_g and t_2g orbitals?

Question diagram
A

e_g orbitals increase by (3/5)Δo, t_2g orbitals decrease by (2/5)Δo

B

e_g orbitals decrease by (3/5)Δo, t_2g orbitals increase by (2/5)Δo

C

Both e_g and t_2g orbitals increase by (3/5)Δo

D

Both e_g and t_2g orbitals decrease by (2/5)Δo

Correct Answer

Option A

Detailed Explanation

In an octahedral complex, the e_g orbitals increase in energy by (3/5)Δo, while the t_2g orbitals decrease by (2/5)Δo due to crystal field splitting caused by ligands.

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