1.

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)]` .

Answer» Correct Answer - C


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