What are the magnetic moment (in BM) for Ni(II) ion in square planar and octahedral geometry, respectrively?

Spin only magnetic moments of a d^(8) ion in octahedral square planar and tetrahedral complexes, respectively are .

Spin only magnetic moments of a d^(8) ion in octahedral square planar and tetrahedral complexes, respectively are .

The magnetic moment (in BM) of Zn^(2+) ion according to spin-only formula is

The complex having square planar geometry is

The complex having square planar geometry is

Which has square planar geometry