Define the following term: Coordination polyhedron.
(N/A) Coordination polyhedron: The spatial arrangement of the ligands which are directly attached to the central ion/atom defines a coordination polyhedron about the central atom.
The most common coordination polyhedra are octahedral,square planar,and tetrahedral.
The most common coordination polyhedra are octahedral,square planar,and tetrahedral.
| $Coordination \ Entity$ | $Shape \ of \ Polyhedron$ |
| $(i) \ [Co(NH_3)_6]^{3+}$ | $Octahedral$ |
| $(ii) \ [Ni(CO)_4]$ | $Tetrahedral$ |
| $(iii) \ [PtCl_4]^{2-}$ | $Square \ planar$ |
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Which of the following complexes has a square planar geometry?
Medium
View SolutionThe hybridization of the central atom in $NH_3, [PtCl_4]^{2-}, PCl_5$,and $BCl_3$ respectively is:
Difficult
View SolutionThe hybridisation of metals involved in the following complexes,$[Mn(CN)_6]^{3-}$ and $[CoF_6]^{3-}$,are respectively:
$[CoF_6]^{3-}$ is formed by $...$ hybridization.
Medium
View SolutionMatch the hybridisation in Column $I$ with the complexes in Column $II$. The options represent the matches for $(A), (B), (C), (D)$ respectively.
Column $I$ Column $II$ $(A)$ $sp^3$ $(i)$ $[Co(NH_3)_6]^{3+}$ $(B)$ $dsp^2$ $(ii)$ $[Ni(CO)_4]$ $(C)$ $sp^3d^2$ $(iii)$ $[Pt(NH_3)_2Cl_2]$ $(D)$ $d^2sp^3$ $(iv)$ $[CoF_6]^{3-}$ $(v)$ $[Fe(CO)_5]$
| Column $I$ | Column $II$ |
|---|---|
| $(A)$ $sp^3$ | $(i)$ $[Co(NH_3)_6]^{3+}$ |
| $(B)$ $dsp^2$ | $(ii)$ $[Ni(CO)_4]$ |
| $(C)$ $sp^3d^2$ | $(iii)$ $[Pt(NH_3)_2Cl_2]$ |
| $(D)$ $d^2sp^3$ | $(iv)$ $[CoF_6]^{3-}$ |
| $(v)$ $[Fe(CO)_5]$ |
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