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Q.
In which of the following molecule/ion all the bonds are not equal ?
NTA AbhyasNTA Abhyas 2022
Solution:
The geometries of molecules determine the types of bond lengths.
$XeF_{4}$ -squareplaner $BF_{4}^{-},SiF_{4}$-tetrahedral $PCl_{5}$-trigonalbipyramidal
Trigonal pyramidal has two types of bond lengths : axial and equatorial. Other geometries have identical bond lengths.