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JEE Main Chemistry question

ChemistryCoordination CompoundsJEE Main

For the octahedral complexes of in (thiocyanato-S) and ligand environments, the difference between the spin-only magnetic moments (in Bohr magnetons), approximated to the nearest integer, is (atomic number of Fe = 26) **[JEE Advanced 2015]**

Answer: $4$

Solution

() with weak/moderate-field thiocyanato-S is high-spin: 5 unpaired electrons, BM. With

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Question ID VK-155811