What is the correct electronic configuration of the central atom in K 4 F e C N 6 based on crystal field…

What is the correct electronic configuration of the central atom in K4FeCN6 based on crystal field theroy?
  1. t2g4eg2
  2. t2g6eg0
  3. e3t23
  4.  e4t22

Solution

In the complex: K4FeCN6Fe exists as Fe2+.

Electronic configuration=Ar3d6

CN is a strong ligand, it will cause pairing up

Electronic configuration is t2g6eg0

Asked in: MHT CET Full Test 4

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