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

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)` .