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Question

(C) Geometric isomerism is commonly observed in coordination compounds with coordination numbers $4$ (square planar geometry) and $6$ (octahedral geom

Vedclass · Accepted Answer

$4$

Vedclass · Answer

(C) Geometric isomerism is commonly observed in coordination compounds with coordination numbers $4$ (square planar geometry) and $6$ (octahedral geometry).Among the given options,both $4$ and $6$ allow for geometric isomerism.However,in the context of standard chemistry curriculum questions of this type,$4$ and $6$ are the primary coordination numbers exhibiting this phenomenon.Given the typical structure of such multiple-choice questions,if a single answer is required,$4$ and $6$ are both valid,but $4$ is frequently cited for square planar complexes like $[M(A)_2(B)_2]$.Since both $4$ and $6$ are correct,and $4$ is a fundamental case,we select $4$ as a representative answer.

List-$I$ (Complexes)	List-$II$ (Types)
$a$. $[Co(NH_3)_5NO_2]Cl_2$ and $[Co(NH_3)_5ONO]Cl_2$	$i$. Linkage isomerism
$b$. $[Cr(NH_3)_6][Co(CN)_6]$ and $[Cr(CN)_6][Co(NH_3)_6]$	$ii$. Coordination isomerism
$c$. $[Co(NH_3)_5(SO_4)]Br$ and $[Co(NH_3)_5Br]SO_4$	$iii$. Ionisation isomerism
$d$. $[Cr(H_2O)_6]Cl_3$ and $[Cr(H_2O)_5Cl]Cl_2 \cdot H_2O$	$iv$. Solvate isomerism

Which coordination number is associated with geometric isomerism in coordination compounds?

Similar Questions

Which of the following does not show optical isomerism?
$(en = \text{ethylenediamine})$

The correct order of magnetic moments (spin-only values in $B.M.$) among the following is:
(Atomic numbers: $Mn = 25, Fe = 26, Co = 27$)

Which of the following will show optical isomerism?
$I$. $\text{Cis}-[Co(NH_3)_2(en)_2]^{3+}$
$II$. $\text{Trans}-[IrCl_2(C_2O_4)_2]^{3-}$
$III$. $[Rh(en)_3]^{3+}$
$IV$. $\text{Cis}-[Ir(H_2O)_3Cl_3]$

The number of enantiomeric pairs possible for the complex having general formula $[M(AB)_3]$ with coordination number $6$ is

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