Q.

The Crystal Field Stabilization Energy (CFSE) of CoF3H2O3Δ0

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a

−0.4 Δ0+P

b

−0.4 Δ0

c

−0.8 Δ0

d

−0.8 Δ0+2P

answer is B.

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Detailed Solution

In CoF3H2O3 the Co3+  has d6 configuration and the given complex is outer orbital type. So the electrons arrangement in d-orbitals is t2g4eg2Crystal field stabilization energy=4−0.4Δ0+20.6Δ0=−0.4Δ0Here the man pairing energy is not accounted as the original d6 also has 1 pair of electrons.
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The Crystal Field Stabilization Energy (CFSE) of CoF3H2O3Δ0