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Q.
The $ d- $ orbital involved in $ sp^{3}d- $ hybridisation is
J & K CETJ & K CET 2005
Solution:
The $d$ - orbital involved in $s p^{3} d$ - hybridization is
$d_{z x}$.
$sp^{3} d$ : one $s+$ three $p\left(i e, p_{x}, p_{y}, p_{z}\right)+$ one $d\left(i e, d_{z x}\right)$