The `pi` acceptor ligands are those which possess vacant `pi-` orbitals in addition to the
Channel: Doubtnut
Date: 26/07/2020

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+)` .