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Q.
If equatorial plane in $PCl _{5}$, molecule is the $X - Y$ plane, the orbital hybridising to produce axial bonds are:
Chemical Bonding and Molecular Structure
Solution:
Bonds labelled as $1,2$ and $3$ are lying in a single plane. Bonds labelled $4$ and $5 $ are meant to be formed along $Z-$ axis. So, $p _{ z }$ and $d _{z^{2}}$ hybridise to give two hybridised orbitals along the $z -$ axis.
