The number of unpaired electrons in `Ni (CO)_(4)` is

The number of unpaired electron in [Ni(CO)_2] is

The number of unpaired electrons in Ni^(2+) is

Assertion: The number of unpaired electrons in Ni(CO)_4 complex is zero. Reason : 4s electrons of Ni atom enter the inner d-orbitals to facilitate the sp^3 hybridization in Ni atom.

The unpaired electrons in Ni(CO)_(4) are

The number of unpaired electron in Ni^(2+) is

The number of unpaired electron in Ni^(2+) is

Give number of unpaired electron in Ni^(2+)