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Which of the following statement is true about \( \pi \)-acid ligands a) they are capable of accepting an appreciable amount of \( \pi \) electron density from the metal atom into \( \pi \) or \( \pi^{*} \) orbitals of their ownb) CO, NO, ferrocene, ethylene and cyclopentadienyl act as \( p \)-acid ligandsc) both \( a \) and \( b \) are correctd) neither A or B is correct |
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Answer» π -acid ligands are capable of accepting an appreciable amount of π electron density from the metal atom into π* or σ* orbital( LUMO) of their own. CO, No, ethylene and cyclopentadienyl act as \(P\hat t\)- acid ligand while ferrocene does not because it is a complex not a ligand. Hence option (d) is right answer |
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