Describe hybridisation in the case of PCl5 and SF6. The axial bonds are longer as compared to equatorial bonds in PCl5 whereas in SF6 both axial bonds and equatorial bonds have the same bond length. Explain.

This is a Long Answer Type Questions as classified in NCERT Exemplar Ans: Hybridisation in the case of PCl5 : The hybridisation of phosphorus PCl5 is sp3d and it has a trigonal bipyramidal geometry. The axial bonds in PCl5 are slightly longer as compared to the equatorial bonds because axial bonds experience greater repulsive forces from other bonds as compared to the equatorial bonds. Hybridisation in the case of SF6: The hybridisation of sulphur in SF6 is sp3d2 and the molecule has an octahedral geometry. The bond length of axial as well as the equatorial bonds are similar because all the bonds in octahedral geometry experience similar repulsive forces from other bonds.

Describe hybridisation in the case of PCl₅ and _SF6. The axial bonds are longer as compared to equatorial bonds in PCl₅whereas in SF₆ both axial bonds and equatorial bonds have the same bond length. Explain.

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Vishal Baghel | Contributor-Level 10

8 months ago

This is a Long Answer Type Questions as classified in NCERT Exemplar

Ans: Hybridisation in the case of PCl₅ :

The hybridisation of phosphorus PCl₅ is sp₃d and it has a trigonal bipyramidal geometry. The axial bonds in PCl₅ are slightly longer as compared to the equatorial bonds because axial bonds exp