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The pi acceptor ligands are those which ...

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)]^(-)` (b) `[Mn(CO)_(6)]^(o+)` (c ) `Ni(CO)_(4)` (d) `Fe(CO)_(5)` .

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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 the highest C-O bond length ? (a) [V(CO)_(6)]^(o+) (b) Ni(CO)_(4) (c ) Fe(CO)_(5) (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 C-O 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) .

Most of the metal carbonyls obey inert gas rule which states the the compounds in which the central metal atom appears to have attained the configuration of a noble gas either by the sharing or by the transfer of electrons tend to be more stable Which of the following has highest C-O bond length ? (a) [mn(CO)_(6)]^(o+) (b) [Co(CO)_(4)]^(Θ) (c) [Fe(CO)_(4))]^(2-) (d) [Ni(CO)_(4)] .

Which of the following has longest C-O bond length? (Free C-O bond length in CO is 1.128Å ).

Same number of unpaired electron is observed in which of the following complexes (a) [MnCl_(6)]^(3-) (b) [Fe(CN)_(6)]^(3-) ( c) [CoF_(6)]^(3-) (d) [Ni(NH_(3))_(6)]^(2+)

Draw the structures of the following metal carbonyls (a) [V(CO)_(6)] " " (b) [Cr(CO)_(6)]" " ( c) [Mn_(2)(CO)_(10)] (d) [Fe(CO)_(5)]" " ( e) [Ni(CO_(4)] " "

Which of the following has the highest value for bond order -C_(6)H_(6),CO_(3)^(2-) ,NO^(-) and SO_(4)^(2-) ?

Which of the following is a secondary pollutant ? (A) O3 (B) SO2 (C) CO2 (D) CO

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