Question:

Which of the following will not show geometrical isomerism?

Updated On: Feb 9, 2024
  • $[Cr(NH_{3})_{4}Cl_{2}]Cl$
  • $[Co(en)_{2}Cl_{2}]Cl$
  • $[Co(NH_{3})_{5}NO_{2}]Cl_{2}$
  • $[Pt(NH_{3})_{2}Cl_{2}]$
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The Correct Option is C

Solution and Explanation

Octahedral complex of type $[MA_{5}B]$ cannot show geometrical isomerism.
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Concepts Used:

Coordination Compounds

A coordination compound holds a central metal atom or ion surrounded by various oppositely charged ions or neutral molecules. These molecules or ions are re-bonded to the metal atom or ion by a coordinate bond.

Coordination entity:

A coordination entity composes of a central metal atom or ion bonded to a fixed number of ions or molecules.

Ligands:

A molecule, ion, or group which is bonded to the metal atom or ion in a complex or coordination compound by a coordinate bond is commonly called a ligand. It may be either neutral, positively, or negatively charged.