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CBSE Class 12 Chemistry 2020 Outside Delhi Set 1 Solved Paper

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Question : 24 of 37
Marks: +1, -0
Write the IUPAC name and hybridization of the following complexes:
(i) [Ni(CN)4]2−[\mathrm{Ni}(\mathrm{CN})_4]^{2-}.
(ii) [Fe(H2O)6]2+[\mathrm{Fe}(\mathrm{H}_2\mathrm{O})_6]^{2+}.
(Given: Atomic number of Ni=28,Fe=26\mathrm{Ni}=28, \mathrm{Fe}=26 )
Solution:  
(i) [Ni(CN)4]2−[\mathrm{Ni}(\mathrm{CN})_4]^{2-} - tetracyanonickelate (II)
hybridization −dsp2-d s p^2
(ii) [Fe(H2O)6]2+−[\mathrm{Fe}(\mathrm{H}_2\mathrm{O})_6]^{2+}- hexaquairon (II)
hybridization −sp3d2-s p^3 d^2
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