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The pi acid ligands donate their lone pa...

The pi acid ligands donate their lone pairs to the metal to form a normal o bond with the latter in addition to it the vacant orbitals accepct electrons from the filled mental orbitals to form a type of pi bonand which suppliments the o bond
Which of the following has lowest `C-O` bond lenght?
(a) `[Fe(CO)_(4)]^(2-)`
(b) `[Co(CO)_(4)]^(Θ)`
(c) `[Ni(CO)_(4)]`
(d) `[Mn(CO)_(6)]^(o+)` .

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The correct Answer is:
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The pi acid ligands donate their lone pairs to the metal to form a normal o bond with the latter in addition to it the vacant orbitals accepct electrons from the filled mental orbitals to form a type of pi bonand which suppliments the o bond Which of the following has lowest M-C bond lenght? (a) [Fe(CO)_(4)]^(2-) (b) [Co(CO)_(4)]^(Θ) (c) [Ni(CO)_(4)] (d) [Mn(CO)_(6)]^(o+) .

The pi acid ligands donate their lone pairs to the metal to form a normal o bond with the latter in addition to it the vacant orbitals accepct electrons from the filled mental orbitals to form a type of pi bonand which suppliments the o bond Which of the following has lowest M-C bond lenght? [Ni(CO)_(4)] (b) [Mn(CO)_(6)]^(o+) (c) [Fe(CO)_(4)]^(2-) (d) [Co(CO)_(4)]^(Θ) .

Which of the following complex is having highest M-C bond order? (1) [Ni(CO)_(4)] (2) [Fe(CO)_(5)] (3) [V(CO)_(6)]^(-) (4) [Mn(CO)_(6)]^(+)

The pi acceptor ligands are those which possess vacant pi- orbitals in addition to the lone pairs of electrons Which of the following complex ion has lowest M-C bond length? (a) [V(CO)_(6)]^(o+) (b) [Mn(CO)_(6)]^(o+) (c ) Ni(CO)_(4) (d) Fe(CO)_(5) .

The pi acceptor ligands are those which possess vacant pi- orbitals in addition to the lone pairs of electrons Which of the following complex// ion has lowest C-O bond order? (a) [V(CO)_(6)]^(o+) (b) Ni(CO)_(4) (c ) Fe(CO)_(5) (d) [Mn(CO)_(6)]^(o+) .

The pi acceptor ligands are those which possess vacant pi- orbitals in addition to the lone pairs of electrons Which of the following complex ion has the highest C-O bond length ? (a) [V(CO)_(6)]^(o+) (b) Ni(CO)_(4) (c ) Fe(CO)_(5) (d) [Mn(CO)_(6)]^(o+) .

Which of the following has the longest C-O bond length? (C-O bond length of CO is 1.128 A )

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