NEETChemistryCoordination CompoundsMCQ+4 / −1
Of the following complex ions, which is diamagnetic in nature?
- A[NiCl4]2
- B[Ni(CN)4]2
- C[CuCl4]2
- D[CoF6]3
View written solutionFree
Correct answer: B
For [Ni(CN)4]2–
Ni+2 = 3d84s0

CN– is a strong field ligand thus, it pair up the electrons.

[Ni(CN)4]–2 is diamagnetic in nature.
More from Coordination Compounds
- Which of the following carbonyls will have the strongest C O bond?2011 · MCQ
- Which of the following complex compounds will exhibit highest paramagnetic behaviour?2011 · MCQ
- The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to2010 · MCQ
- Which of the following complex ions is not expected to absorb visible light?2010 · MCQ
- Which one of the following complexes is not expected to exhibit isomerism?2010 · MCQ
- Crystal field stabilization energy for high spin d4 octahedral complex is2010 · MCQ
- Which of the following does not show optical isomerism? (en = ethylenediamine)2009 · MCQ
- Out of TiF62, CoF63, Cu2Cl2 and NiCl42 (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are2009 · MCQ