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Most of the metal carbonyls obey inert g...

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)]` .

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

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 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) .

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-) ?

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+) .

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

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) .

Predict the hybridisation and geometry of the following complexes. (a) [Fe(CN)_(6)]^(3-) " " (b)[MnBr_(4)]^(2-)" " (c ) [Fe(H_(2)O)_(6)]^(2+)" " (d) [Co(SCN)_(4)]^(2-)

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