Shape of Fe(CO) _5 is :

NEET 2000 Chemistry question

Shape of is :

(1)Octahedral
(2)Square planar
(3)Trigonal bipyramidalCorrect
(4)Square pyramidal

Answer: (3)

Solution

Fe has the configuration . In iron is in the zero oxidation state and CO is a strong-field ligand, so the eight outer electrons rearrange into four paired 3d orbitals (), leaving one 3d, the 4s and the three 4p orbitals vacant for hybridisation. Five

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Question ID VK-088613