Coordination complex analyser
Give a coordination complex by its formula or its name and get what ISC Chemistry asks about it: the IUPAC name, oxidation state, coordination number, hybridisation and shape, unpaired electrons and magnetic moment, inner or outer orbital, crystal field splitting and isomers - with the valence bond box diagram.
Answer
[Ni(CN)4]2−
- IUPAC name
- tetracyanidonickelate(II)
- Hybridisation
- dsp2
- Shape
- square planar
- Oxidation state of Ni
- +2
- Coordination number
- 4
- Unpaired electrons
- 0
- Magnetic
- diamagnetic, μ = 0.0 BM
- Isomerism
- none
Valence bond picture
Free Ni2+ ion (d8)
↑↓↑↓↑↓↑↑3d4s4p
In the complex (dsp2; ×× = a ligand’s electron pair)
↑↓↑↓↑↓↑↓××3d××4s××××4p
Practise on real ISC questions
- Observe the diagram below of splitting of d-orbital in octahedral field and answer the following questions… 2027 Specimen
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- Do you think $[\text{Co}(\text{en})_3]^{3+}$ will show optical isomerism? If yes, draw the possible isomers… 2025 Practice
- For the complex compound $[\text{Fe}(\text{en})_2\text{Cl}_2]\text{Cl}$, identify the following: (1)… 2026 Specimen
- Which one of the following complex ions has geometrical isomers? 2025 Specimen
- According to Crystal-Field Theory, the electronic configuration of complex compound [A] is $t_{2g}^4 e_g^2$… 2025
- Which one of the following is a tetrahedral complex as well as diamagnetic in nature? 2026
- The molecular shape of $[\text{Ni}(\text{CO})_4]$ is tetrahedral while that of… 2025 Practice
- Gia applied magnetic field around $[\text{Fe}(\text{H}_2\text{O})_6]^{2+}$ and… 2025 Practice
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