Coordination Compounds · Class 12 · CBSE · Science Chemistry
Which of the following complexes is diamagnetic and has square planar geometry?
Practice question from Coordination Compounds (Class 12 · CBSE · Science Chemistry), with the correct answer and a step-by-step solution.
medium · MCQ · Q-13ACE5
Which of the following complexes is diamagnetic and has square planar geometry?
- A.[NiCl4]2-
- B.[Ni(CN)4]2-Correct answer
- C.[CoCl4]2-
- D.[MnCl4]2-
Solution
In [Ni(CN)4]2-, Ni is in the +2 oxidation state with a configuration. CN- is a strong field ligand, causing pairing of electrons, resulting in hybridization (square planar) and diamagnetic behavior.
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