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:
- (d) Cohere is in +3 oxidation state
Unpaired electrons $=4$ and $s p^{3} d^{2}$ hybridisation and octahedral shape.