Multiple choice Which of the following complexes is not an octahedral? [Cr(NH3)6]+3 [Fe(CN)6] -3 [Ni(CN)4]2- [Fe(CN)6]4- Reveal answer Fill a bubble to check yourself C Correct answer Explanation This complex is square planar in shape with hybridisation,dsp2 .It is diamagnetic because it has no unpaired electrons.