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Q.

The hybridisation and geometry of $[Fe {(CO)}_{4}]^{2 -}$ is

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a

${dsp}^{2},$ square planar

b

${sp}^{3} d,$ TBP

c

${sp}^{3},$ TBP

d

${sp}^{3},$ tetrahedral

answer is B.

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Detailed Solution

$Fe (in g . s)$

Question Image

$CO$ ; strong ligand

$Fe$ in $\overset{- II}{[Fe} {(C O)}_{4}]^{2 -}$

Question Image — Shape : tetrahedral

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