MCQ
For the complexes showing the square pyramidal structure, the $d-$ orbital involved  in the hybridisation is
  • $d_{x^2-y^2}$
  • B
    $d_{z^2}$
  • C
    $d_{xy}$
  • D
    $d_{xz}$

Answer

Correct option: A.
$d_{x^2-y^2}$
a
When five ligands are attached to the central metal atom, the central metal atom undergoes $d s p^{3}$ hybridization.

When $d_{z^{2}}$ orbital is involved in the hybridization, the geometry is trigonal bipyramidal.

When $d_{x^{2}-y^{2}}$ orbital is involved in the hybridization, the geometry is square pyramidal.

Hence the correct option is A.

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