Question

29. Explain the hybridization involved in PCI5 molecule
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Answer 1

Answer:

The hybridization of P in PCl5 is sp3d. The P atom needs five orbitals to form the five P-Cl bonds . It has a 3s and three 3p orbitals, so it must use one of its 3d orbitals to form the fifth bond.These orbitals are hybridized to form five sp3d orbitals and thus form a trigonal bipyramid.

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Answer 2

Answer:

• Geometry of PCl5 molecule is trigonal bipyramidal

• Phosphorus has 5 valence electrons. 1 electron each is shared by chlorine atom hence, PCl5 molecule has sp3d hybridisation and hence trigonal bipyramidal shape.