Question:
Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with the central metal?
Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with the central metal?
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Geometrical isomerism is possible in square planar or octahedral complexes, but tetrahedral complexes generally lack enough symmetry to support distinct isomers.
Updated On: Feb 17, 2025
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Solution and Explanation
Geometrical isomerism is not possible in tetrahedral complexes with two different uniden-
tate ligands because of the symmetry of the tetrahedral geometry. In a tetrahedral complex,
all four positions are equivalent, and swapping the two different ligands does not result in
distinct spatial arrangements. Therefore, no isomers with different spatial arrangements are
possible.
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