The correct structure of Fe(CO)5 is (at.no.of Fe = 26)

The correct structure of Fe(CO)₅ is (at.no.of Fe = 26)

A
trigonal bipyramidal
B
octahedral
C
tetrahedral
D
square pyramidal

Solution:

Fe=1s²,2s²2p⁶,3s²3p⁶3d⁶,4s²4p⁰
In Fe(CO)₅, the Fe atom is in dsp³ hybridized state. Therefore, the shape of molecule is trigonal bipyramidal. The hybridization is as:

solution

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