TS EAMCET 9-Sep-2020 Shift 2 Solved Paper

d -subshell has five orbitals, i.e. dx2−y2⋅dz2,dxy′ dxz and dyz. Out of which dx2−y2 and dz2 are directly oriented towards ligands in octahedral coordination compounds because of high electron density in its orbitals.
Hence, d is the correct answer.