TS EAMCET · Chemistry · Chemical Bonding and Molecular Structure
Which one of the following is square planar in structure and has diamagnetic property?
- A \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}\)
- B \(\left[\mathrm{Ni}(\mathrm{CO})_4\right]\)
- C \(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^2\)
- D \(\left[\mathrm{NiCl}_4\right]^2\)
Answer & Solution
Correct Answer
(C) \(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^2\)
Step-by-step Solution
Detailed explanation
\(\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}\) have \(\mathrm{CN}^{-}\)as strong field ligand which helps in pairing of electron thus 2 unpaired electrons of nickel are paired up due to which the coordinated ion is diamagnetic with \(d s p^2\) hybridisation and square planar…
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