The Crystal Field Stabilization Energy ( CFSE ) of CoF H 2 O 3 3 Δ 0 < P is :

 The Crystal Field Stabilization Energy (CFSE) of CoFH2O33Δ0<P is :
  1. -0.8 Δ0+2P
  2. -0.4 Δ0
  3. -0.8 Δ0
  4. -0.4 Δ0+P

Solution

CoH2O3F3  Co3+=3d04s0⇒t2g2v1,e91.1

CFSE=-0.4nt29+0.6nogΔ0+n(P)

=[-0.4×4+0.6×2]Δ∘+0

=-0.4∆0 

Asked in: JEE Main 2020 (04 Sep Shift 2)

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