In the synergic bond of metal carbonyls
${\pi ^*}$ molecular orbital of ligand is used
${\pi ^*}$ molecular orbital of metal is used
$\sigma $ molecular orbital of ligand as well as metals are used
${\sigma ^*}$ molecular orbital of metal is used
The species having bond order different from that in $CO$ is
The molecule in which hybrid $MOs$ involve only one $d-$orbital of the central atom is
When two atomic orbitals combine they form
Which of the following molecular orbital has two nodal planes
$N_2$ and $O_2$ are converted in to $N_2^+$ and $O_2^+$ respectively. Which of the following is not correct ?