Multiple choice

Which of the following complexes is not an octahedral?

  1. [Cr(NH3)6]+3

  2. [Fe(CN)6] -3

  3. [Ni(CN)4]2-

  4. [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.