NEET2025Chemistry-Coordination Compounds
NEET 2025 Chemistry Crystal Field Theory MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The correct order of the wavelength of light absorbed by the following complexes is,
A. [Co(NH₃)₆]³⁺
B. [Co(CN)₆]³⁻
C. [Cu(H₂O)₄]²⁺
D. [Ti(H₂O)₆]³⁺ Choose the correct answer from the options given below:
A
B < D < A < C
B
B < A < D < C
C
C < D < A < B
D
C < A < D < B
Correct Answer
Option B
Detailed Explanation
The order of wavelength absorbed is based on the ligand field strength. CN⁻ is a strong field ligand, followed by NH₃, H₂O, and then H₂O with Ti³⁺.
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