Coordination Compounds - Result Question 64

####71. The number of unpaired electrons in the complex ion $[CoF_6]^{3-}$ is (Atomic no.: $Co=27$ )

(a) Zero

(b) 2

(c) 3

(d) 4

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Solution:

  1. (d) Cohere is in +3 oxidation state

Unpaired electrons $=4$ and $s p^{3} d^{2}$ hybridisation and octahedral shape.



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