MHT CET · Chemistry · Coordination Compounds
What is the number of unpaired electrons present in \(\left[\mathrm{CoF}_6\right]^{3-}\) ?
- A 4
- B 3
- C 2
- D 1
Answer & Solution
Correct Answer
(A) 4
Step-by-step Solution
Detailed explanation
Electronic configuration of \(\mathrm{Co}^{3+}\) after formation of complex would be

There are 4 unpaired electrons in 3d orbitals.

There are 4 unpaired electrons in 3d orbitals.
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