If the correct statement(s) regarding the molecule PF2Cl3 will be:
A
The two F atoms are at 180∘ with respect to each other
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Maximum 4 atoms are present in the same plane
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
P−Cl bond is longer than P−F bond
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
The d− orbital of 'P' involved in the formation of PF2Cl3 is dz2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D The d− orbital of 'P' involved in the formation of PF2Cl3 is dz2 Hybridisation ofPCl3F2 is sp3d so the structure would be trigonal bipyramidal. The zero dipole moment suggests the structure as follow:
A) According to Bent's rule the most electronegative elements occupy the axial positions in the trigonal bipyramidal geometry. Hence two F atoms are at 180∘ with respect to each other.
B) There are a maximum of 4 atoms in the same plane. There are P and 3 equatorial Cl atoms.
C) As size of Cl is greater than the size of F, P−Cl bond is longer than P−F bond.
D) In sp3d hybridisation, the d-orbital involved here is dz2, since it is the lowest energy d-orbital.