Which of the following statement correct for the complex ${\mathrm{K}}_4[\mathrm{Fe}{\left(\mathrm{CN}\right)}_5 {\mathrm{O}}_2]$having ${\mathrm{t}}_{2\mathrm{g}}^6 , {\mathrm{e}}_{\mathrm{g}}^{\circ }$ electronic configuration.

${\mathrm{d}}^2{\mathrm{sp}}^3$ hybridised and diamagnetic

${\mathrm{sp}}^3{\mathrm{d}}^2$ hybridised and paramagnetic

${\mathrm{sp}}^3{\mathrm{d}}^2$ hybridised and diamagnetic

${\mathrm{d}}^2{\mathrm{sp}}^3$ hybridised and paramagnetic