General Science • ChemistryHard
According to the crystal field theory, what is the magnitude of crystal field splitting energy for octahedral complexes denoted by delta o dependent upon?
A. The nature of the ligand field strength and oxidation state of the central metal ion✓ Correct Answer
B. The total external atmospheric pressure and solvent viscosity in the reaction vessel
C. The mass number of the radioactive isotopes present in the coordination sphere
D. The concentration of counter ions dissociated in the outer coordination sphere
💡 Solution & Explanation
Crystal field splitting energy in octahedral complexes depends on the nature of the ligands arranged in the spectrochemical series and the charge or oxidation state of the central metal ion, where strong-field ligands cause larger d-orbital splitting. External pressure, radioactivity, and outer-sphere counter ions do not influence d-orbital energy level separation. Spectrochemical series orders ligands from weak-field halides to strong-field carbonyls and cyanides.
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