JEE Advanced Chemistry question

ChemistryCoordination CompoundsJEE Advanced

Which one of the following complexes is expected to have lowest values?

Answer: (B)

Solution

Two factors raise : a stronger-field ligand, and a heavier (lower-row) transition metal (because larger, more diffuse / orbitals overlap more effectively with ligand orbitals). combines a weak-field ligand (, near the bottom of the spectrochemical series) with a first-row (3d)

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Question ID VK-160019