AIPMT MAIN2008Chemistry-Coordination Compounds
AIPMT MAIN 2008 Chemistry Crystal Field Theory MCQ Question
Type: MCQ-conceptual-Hard-Class 12
In which of the following coordination entities the magnitude of ΔO (CFSE in octahedral field) will be maximum (at. no. Co = 27)?
A
[Co (C₂O₄)₃]³⁻
B
[Co(H₂O)₆]³⁺
C
[Co(NH₃)₆]³⁺
D
[Co(CN)₆]³⁻
Correct Answer
Option D
Detailed Explanation
The ligand CN⁻ is a strong field ligand and causes a large splitting of d-orbitals, resulting in a high CFSE.
Found an issue with this question?