Why all P – F bonds in PF 5 are not equivalent?

Chemistry · Class 12 · CBSE — The p-Block Elements

1. PF₅ has sp³d hybridisation, out of five P – F bonds three are equatorial which have different lengths.
2. PF₅ has sp³ hybridisation, out of five P – F bonds two are equatorial which have different lengths.
3. Out of five P – F bonds two are axial and three equatorial. All five bonds have different bond lengths.
4. PF₅ is made up of two types of bonds namely covalent and coordinate hence are not equivalent.

Answer

(C) Out of five P – F bonds two are axial and three equatorial. All five bonds have different bond lengths.

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