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CGP EDU Academic Team
Published on: August 14, 2026
In potassium ferrocyanide, there are pairs of electrons in the t 2g set of orbitals.
Text Solution
Verified by ExpertsThe correct answer is:
3
(3) Potassium ferrocyanide, K 4 [Fe(CN) 6 ], has a central iron ion that is coordinated with six cyanide ligands in an octahedral geometry. The oxidation state of the iron ion in potassium ferrocyanide is +2, hence has d 2 sp 3 hybridised state. On applying C. F. T. it shows that all the 6 electrons of d subshell are present in the form of three pairs in t 2g orbitals. Hence answer is 3.
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