Q. In which complex is the $\Delta $ (Crystal field splitting) < $P$ (Pairing energy)?

NTA AbhyasNTA Abhyas 2020 Report Error

A

$\left[PtCl_{4}\right]^{2 -}$

B

$\left[AgF_{4}\right]^{-}$

C

$\left(\left[Co \left(\right. ox \left(\left.\right)_{3}\right]\right)^{3 -}$

D

$\left[CoF_{6}\right]^{3 -}$

Solution:

If $\Delta >P$ complex would be low spin & pairing will occur.

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