Question

What is incorrect about homoleptic metal carbonyls ?
(a) M – C σ- bond is formed by donation of lone pair of electrons from CO
(b) M – C π- bond is formed by back donation of electron from filled d-orbital of metal to vacant p- orbital of carbon
(c) M – CO bonding product synergic effect
(d) Metal carbonyl contain only σ- bonds

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (C)

That's it..

Answer 2

The correct option is d.

• In the metal carbonyl complex, the metal is a pi-electron