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JEE Main202522 Jan 2025Morning ShiftChemistryCoordination CompoundsActual

In which of the following complexes the CFSE, _ o will be equal to zero?

Options

  1. A[ Fe ( en )₃ ] Cl ₃
  2. BK ₄ [ Fe ( CN )₆ ]
  3. C[ Fe ( NH ₃ )₆ ] Br ₂
  4. DK ₃ [ Fe ( SCN )₆ ]

Correct answer

D. K ₃ [ Fe ( SCN )₆ ]

Step-by-step solution

For complex K ₃ [ Fe ( SCN )₆ ] Calculation of CFSE aligned & =(-0.4 3+0.6 2) ₀ & =0 ₀ aligned

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