4.38. Describe the hybridisation in case of PCl₅. Why are the axial bonds longer as compared to equatorial bonds?

4.38. P has ground state valence shell electronic configuration 3s²3p³ and the first excited state valence shell electronic configuration is 3s¹3p³3d¹. P undergoes sp³d hybridization and has trigonal bipyrami geometry. Because axial bond pairs suffer more repulsive interaction from the equatorial bond pairs, therefore axial bonds have been found to be slightly longer and hence slightly weaker than equatorial bond.

<p><strong>4.38.&nbsp;</strong>P has ground state valence shell electronic configuration 3s²3p³ and the first excited state valence shell electronic configuration is 3s¹3p³3d¹. P undergoes sp³d hybridization and has trigonal bipyrami geometry. Because axial bond pairs suffer more repulsive interaction from the equatorial bond pairs, therefore axial bonds have been found to be slightly longer and hence slightly weaker than equatorial bond.</p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1741845626phpXdNvCr_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1741845626phpXdNvCr.jpeg" alt="" width="206" height="163"></picture></div></div>

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