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JEE Advanced 2006
Exam
JEE Advanced
Year
2006
Subject
Chemistry
Chapter
Coordination Compounds

JEE Advanced 2006 · Chemistry · Coordination Compounds

Paragraph: The coordination number of Ni^ 2+ is 4 . NiCl_2+KCN...

Paragraph: The coordination number of Ni2+\mathrm{Ni}^{2+} is 4 . NiCl2+KCN\mathrm{NiCl}_2+\mathrm{KCN} (excess) →A\rightarrow A (cyano complex) NiCl2+\mathrm{NiCl}_2+ conc. HCl\mathrm{HCl} (excess) →B\rightarrow B (chloro complex)Question: The hybridization of AA and BB are

Options

  1. Adsp2,sp3d s p^2, s p^3
  2. Bsp3,sp3s p^3, s p^3
  3. Cdsp2,dsp2d s p^2, d s p^2
  4. Dsp3d2,d2sp3s p^3 d^2, d^2 s p^3

Correct answer

A. dsp2,sp3d s p^2, s p^3

Step-by-step solution

Hybridisation of Ni\mathrm{Ni} in K2[Ni(CN)4]\mathrm{K}_2\left[\mathrm{Ni}(\mathrm{CN})_4\right] is dsp2d s p^2 and in K2[Ni2(Cl4)]\mathrm{K}_2\left[\mathrm{Ni}^2\left(\mathrm{Cl}_4\right)\right] is sp3s p^3 (Detail see in question no. 25).
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