MCQ
Which would exhibit co-ordination isomerism
  • $\left[ {Cr{{(N{H_3})}_6}} \right]\,\left[ {Co{{(CN)}_6}} \right]$
  • B
    $\left[ {Co{{(en)}_2}C{l_2}} \right]$
  • C
    $\left[ {Cr{{\left( {N{H_3}} \right)}_6}} \right]C{l_3}$
  • D
    ${\left[ {Cr{{(en)}_2}C{l_2}} \right]^ + }$

Answer

Correct option: A.
$\left[ {Cr{{(N{H_3})}_6}} \right]\,\left[ {Co{{(CN)}_6}} \right]$
a
Coordination isomerism is a form of structural isomerism in which the composition of the complex ion varies. In a coordination isomer the total ratio of ligand to metal remains the same, but the ligands attached to a specific metal ion change. Examples of a complete series of coordination isomers require at least two.

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