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CBSE Class 12 Chemistry 2020 Outside Delhi Set 2 Solved Paper

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Question : 13 of 16
Marks: +1, -0
SECTION -B
Write IUPAC name and hybridization of the following complexes:
(i) [Ni(CO)4][\mathrm{Ni}(\mathrm{CO})_4],
(ii) [CoF6]3−[\mathrm{CoF}_6]^{3-} (Atomic number Ni=28, Co=27\mathrm{Ni}=28,\ \mathrm{Co}=27 )
Solution:  
(i) [Ni(CO)4]−[\mathrm{Ni}(\mathrm{CO})_4]^- Tetracarbonylnickel
Hybridization −sp3-s p^3
(ii) [CoF6]3−−[\mathrm{CoF}_6]^{3-}- Hexafluorocobaltate (III)
Hybridization −sp3d2-s p^3 d^2
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