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AIIMS 2001
Exam
AIIMS
Year
2001
Subject
Chemistry
Chapter
Coordination Compounds

AIIMS 2001 · Chemistry · Coordination Compounds

d s p^2 hybridisation is found in

dsp2d s p^2 hybridisation is found ind s p^2 hybridisation is found ind s p^2 hybridisation is found in

Options

  1. A[Ni(CN)4]2−\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}
  2. B[CoCl4]2−\left[\mathrm{CoCl}_4\right]^{2-}
  3. C[CuCl4]3−\left[\mathrm{CuCl}_4\right]^{3-}
  4. D[CuCl4]2−\left[\mathrm{CuCl}_4\right]^{2-}

Correct answer

A. [Ni(CN)4]2−\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}

Step-by-step solution

Electronic configuration of Ni\mathrm{Ni} : Ni(Z=27):4s23d7Ni2+:3d7\begin{array}{ll}\mathrm{Ni}( Z=27) & : 4 s² 3 d⁷ \\ \mathrm{Ni}^{2+}& : 3 d⁷ \end{array}d s p^2 hybridisation is found inTherefore,hybridisationis\\ Therefore, hybridisation isd s p^2 and structure is square planar.
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