Verified Solution • 2025–26 Session moderate

QNEET-2019-Ch-771: NEET 2019 Chemistry - Class 12 NEET-2019-Ch-771 Solution: What is the correct electronic configuration of the central…

What is the correct electronic configuration of the central atom in K4[Fe(CN)6]K_4[Fe(CN)_6] based on crystal field theory? t2g4eg2t_{2g}^4 e_g^2 t2g6eg0t_{2g}^6 e_g^0 e3t23e^3 t_2^3 e4t22e^4 t_2^2

Multiple Choice Options

  • A t2g4eg2t_{2g}^4e_g^2 t 2 g 4 _ e g 2 _
  • B t2g6eg0t_{2g}^6e_g^0 t 2 g 6 _ e g 0 _
  • C e3t23{e^3}t_2^3 e 3 t 2 3 _
  • D e4t22{e^4}t_2^2 e 4 t 2 2 _

Step-by-Step Verified Solution

Fe : [Ar]3d 6 4s 2 Fe 2+ : 3d 6

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