An octahedral complex is formed when hybrid orbitals of the following type are involved

• A

  ${\mathrm{sp}}^3$

• B

  ${\mathrm{dsp}}^2$

• C

  ${\mathrm{sp}}^3{\mathrm{d}}^2$

• D

  ${\mathrm{sp}}^3\mathrm{d}$