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Why are all P-F bonds in PF5 are not equivalent?
  • a)
    PF5 has sp3d hybridisation, out of five P−F bonds three are equatorial which have different lengths
  • b)
    PF5 has sp3 hybridisation, out of P−F bonds two are equatorial which have different lengths
  • c)
    Out of five P−F bonds two are axial and three equatorial. All five bonds have different bond lengths
  • d)
    PF5 is made up of two types of bond namely covalent and coordinate, hence are not equivalent
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Why are all P-F bonds in PF5 are not equivalent?a)PF5 has sp3d hybridi...
Structure of PF5
PF5 has three axial bonds and two equitorial bonds and has sp3d hybridisation PCl5 has trigonal bipyramidal structure .
Due to this two Cl atoms lie along axial line and other three Cl atoms lie along the equatorial plane.
Hence Cl atoms which lie along axis have different bond length than that of Cl atoms lying on equatorial plane.
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Most Upvoted Answer
Why are all P-F bonds in PF5 are not equivalent?a)PF5 has sp3d hybridi...
Sp3d orbitals, only three are involved in bonding with the fluorine atoms. The remaining two sp3d orbitals form two lone pairs on the phosphorus atom. Due to the presence of these lone pairs, the P-F bonds are not equivalent.
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Why are all P-F bonds in PF5 are not equivalent?a)PF5 has sp3d hybridisation, out of five P−F bonds three are equatorial which have different lengthsb)PF5 has sp3 hybridisation, out of P−F bonds two are equatorial which have different lengthsc)Out of five P−F bonds two are axial and three equatorial. All five bonds have different bond lengthsd)PF5 is made up of two types of bond namely covalent and coordinate, hence are not equivalentCorrect answer is option 'A'. Can you explain this answer?
Question Description
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