NEET 2004 Chemistry question

Chemistry Coordination Compounds NEET 2004

Among , , species, the hybridization states at the Ni atom are, respectively :- (At. No. of Ni = 28)

(1), , Correct
(2), ,
(3), ,
(4), ,

Answer: (1)

Solution

In Ni is in the zero oxidation state (); the strong field CO ligand pairs the electrons to (4s vacant), so one 4s and three 4p orbitals hybridise: , tetrahedral. In , () with

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Question ID VK-089426