Which of the following is incorrect match
Hybridisation Geometry Orbital use
1 $s p^{3} d$ Trigonal bipyramidal $s + p_{x} + p_{y} + p_{z} + d_{z^{2}}$
2 $s p^{3} d^{3}$ Pentagonal bipyramidal $s + p_{x} + p_{y} + p_{z} + d x^{2} - y^{2} + d z^{2} + d x y$
3 $s p^{3} d^{2}$ distorted octahedral $s + p_{x} + p_{y} + p_{z} + d x^{2} - y^{2} + d z^{2}$
4 $s p^{3}$ Tetrahedral $s + p_{x} + p_{y} + p_{z}$

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answer is C.

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Detailed Solution

sp³d² shows regular octahedral, and not distorted

in pentagonal bipyramidal s ,px, py, dxy and dx²-y² are in xy plane and p_z and dz²perpendicular to it.

So the d orbitals being used are dxy ,dx²-y²,dz²

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